Toshiba Copier FC 22 User Manual

GENERAL PRECAUTIONS REGARDINGTHE INSTALLATION

AND SERVICE FOR THE COPIER FC-22

The installation and service should be done by a qualified service technician.

1. Transportation/Installation

• When transporting/installing the copier, move it by the casters while lifting the stoppers.

The copier is quite heavy and weighs approximately 200 kg (441 lb), therefore pay full attention

when handling it.

• Be sure to use a dedicated outlet with AC 115V or 120V/20A (220V, 230V, 240V/10A) or more for

its power source.

• The copier must be grounded for safety.

Never ground it to a gas pipe or a water pipe.

• Select a suitable place for installation.

Avoid excessive heat, high humidity, dust, vibration and direct sunlight.

• Also provide proper ventilation as the copier emits a slight amount of ozone.

• To insure adequate working space for the copying operation, keep a minimum clearance of

80 cm (32”) on the left, 80 cm (32”) on the right and 10 cm (4”) in the rear.

2. Service of Machines

• Basically, be sure to turn the main switch off and unplug the power cord during service.

• Be sure not to touch high-temperature sections such as the exposure lamp, the fuser unit, the

damp heater and their periphery.

• Be sure not to touch high-voltage sections such as the chargers, the transfer belt and the high-

voltage transformer.

• Be sure not to touch rotating/operating sections such as gears, belts, pulleys, fan, etc.

• When servicing the machines with the main switch turned on, be sure not to touch live sections

and rotating/operating sections. Avoid exposure to laser radiation.

• Use suitable measuring instruments and tools.

• Avoid exposure to laser radiation during servicing.

− Avoid direct exposure to the beam.

− Do not insert tools, parts, etc. that are reflective into the path of the laser beam.

− Remove all watches, rings, bracelets, etc. that are reflective.

3. Main Service Parts for Safety

• The breaker, door switch, fuse, thermostat, thermofuse, thermistor, etc. are particularly impor-

tant for safety. Be sure to handle/install them properly.

4. Cautionary Labels

• During servicing, be sure to check the rating plate and the cautionary labels such as “Unplug the

power cord during service”, “Hot area”, “Laser warning label” etc. to see if there is any dirt on

their surface and whether they are properly stuck to the copier.

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1. ADJUSTMENT ITEMS

2. PREVENTIVE MAINTENANCE

(PM)

3. PRECAUTIONS FOR STORING

& HANDLING SUPPLIES

4. TROUBLESHOOTING

5. FIRMWARE UPDATING

6. WIRE HARNESS CONNECTION

DIAGRAMS

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CONTENTS

1. ADJUSTMENT ITEMS ............................................................................................................... 1-1

1.1 Error Code List ....................................................................................................................... 1-1

1.2 Self Diagnostic Mode ............................................................................................................. 1-6

1.2.1 Input check (Test mode 03) ...................................................................................... 1-8

1.2.2 Output check (Test mode 03) ................................................................................... 1-15

1.2.3 Test print mode (04).................................................................................................. 1-19

1.2.4 Adjustment mode (05) .............................................................................................. 1-20

1.2.5 Setting mode (08) ..................................................................................................... 1-33

1.2.6 Registering/changing ID codes................................................................................. 1-43

1.3 Adjustment Order (Copy Image Related Adjustment)............................................................ 1-45

1.4 Automatic Adjustment of the Auto-Toner Circuit..................................................................... 1-46

1.5 Automatic Initialization of Image Quality Control ................................................................... 1-50

1.6 Copy Image Dimensional Adjustment .................................................................................... 1-51

1.6.1 Paper alignment (paper buckle) at the main registration roller ................................. 1-53

1.6.2 Feed motor speed adjustment .................................................................................. 1-54

1.6.3 Printer related adjustment ........................................................................................ 1-55

1.6.4 Scanner related adjustment...................................................................................... 1-58

1.7 Automatic Adjustment of Gamma Correction......................................................................... 1-66

1.8 Density Adjustment ................................................................................................................ 1-68

1.9 Color Balance Adjustment...................................................................................................... 1-69

1.10 Offset Amount for Processing Background ............................................................................ 1-70

1.11 Judgment Threshold for ACS ................................................................................................. 1-71

1.12 AI Mode Setting ..................................................................................................................... 1-72

1.13 Sharpness Adjustment ........................................................................................................... 1-73

1.14 High-Voltage Transformer Setting .......................................................................................... 1-74

1.14.1 Overview................................................................................................................... 1-74

1.14.2 Settings after replacing main high-voltage transformers .......................................... 1-74

1.14.3 Settings after replacing transfer transformer ............................................................ 1-75

1.15 Adjusting Doctor-to-Sleeve Gap ............................................................................................ 1-76

1.16 Adjusting the Scanner Section............................................................................................... 1-77

1.16.1 Adjusting the carriage ............................................................................................... 1-77

1.16.2 Lens unit ................................................................................................................... 1-80

1.17 Adjusting the Cassette for Sidewise Deviation ...................................................................... 1-83

1.18 Key Copy Counter (MU-8, MU-10)......................................................................................... 1-84

2. PREVENTIVE MAINTENANCE (PM) ......................................................................................... 2-1

2.1 Types of Preventive Maintenance .......................................................................................... 2-1

2.2 Maintenance to be Performed Every 30,000, 60,000, 90,000 and 120,000 Copies .............. 2-2

2.3 Preventive Maintenance Checklist ......................................................................................... 2-2

2.4 PM Kit .................................................................................................................................... 2-12

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2.5 List of Adjustment Tools ......................................................................................................... 2-13

3. PRECAUTIONS FOR STORING & HANDLING SUPPLIES ...................................................... 3-1

3.1 Precautions for Storing TOSHIBA Supplies ........................................................................... 3-1

3.2 Checking and Cleaning of the Photoconductive Drum .......................................................... 3-1

3.3 Checking and Cleaning of the Drum Cleaning Blade and Transfer Belt Cleaning Blade ....... 3-2

3.4 Checking and Replacing the Oil Roller and Cleaning Roller of Fuser Section ...................... 3-3

3.5 Checking and Cleaning of the Fuser Rollers ......................................................................... 3-3

3.6 Checking and Replacing the Transfer Belt ............................................................................. 3-4

3.7 Checking and Replacing the Transfer Roller .......................................................................... 3-4

4. TROUBLESHOOTING................................................................................................................ 4-1

4.1 Troubleshooting Based on Error Code ................................................................................... 4-1

4.1.1 Paper transport jam inside the copier ....................................................................... 4-1

4.1.2 Paper feeding jam..................................................................................................... 4-3

4.1.3 Paper transport jam (Paper not reaching the registration sensor after feeding) ....... 4-5

4.1.4 Cover open jam ........................................................................................................ 4-6

4.1.5 Paper jam in ADU and reversing area ...................................................................... 4-8

4.1.6 Original jam in the RADF .......................................................................................... 4-10

4.1.7 Paper jam in the sorter ............................................................................................. 4-12

4.1.8 Special sheet jam ..................................................................................................... 4-15

4.1.9 Drive system related service call .............................................................................. 4-16

4.1.10 Paper feeding system related service call ................................................................ 4-20

4.1.11 Scanner related service call ..................................................................................... 4-23

4.1.12 Copy process related service call ............................................................................. 4-25

4.1.13 Fuser unit related service call ................................................................................... 4-30

4.1.14 Communications related service call ........................................................................ 4-33

4.1.15 ADF related service call............................................................................................ 4-36

4.1.16 Other service calls .................................................................................................... 4-37

4.1.17 Laser optical unit related service call........................................................................ 4-38

4.1.18 Sorter related service call ......................................................................................... 4-40

4.1.19 Image quality related service call ............................................................................. 4-45

4.1.20 Options related service call ...................................................................................... 4-52

4.1.21 Image processing options related service call.......................................................... 4-53

4.2 Troubleshooting of Image....................................................................................................... 4-54

5. FIRMWARE UPDATING ............................................................................................................. 5-1

5.1 [3] [9] Mode Operation ........................................................................................................... 5-1

5.1.1 Outline ...................................................................................................................... 5-1

5.1.2 Preparation of PC ..................................................................................................... 5-1

5.1.3 Firmware update operation....................................................................................... 5-4

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5.1.4 Screen details ........................................................................................................... 5-10

5.2 Installation Instructions for Firmware Update through PC ..................................................... 5-14

5.2.1 Outline ...................................................................................................................... 5-14

5.2.2 System configuration ................................................................................................ 5-14

5.2.3 Preparation of PC to use a network.......................................................................... 5-15

5.2.4 Installation of FTP server.......................................................................................... 5-25

6. WIRE HARNESS CONNECTION DIAGRAMS .......................................................................... 6-1

6.1 AC Wire Harness ................................................................................................................... 6-1

6.2 DC Wire Harness .......................................................................................................... Appendix

FC-22 CONTENTS

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In this manual, colors are sometimes described using abbreviations as listed below:

Yellow :Y

Magenta : M

Cyan : C

Black : K

1. ADJUSTMENT ITEMS

1.1 Error Code List

While the “CLEAR PAPER” or “CALL SERVICE” symbol is flashing, pressing the [CLEAR] key and

the [8] key on the digital keys at the same time shows one of the following error codes on the copy-

quantity indicator as long as those keys are pressed.

Classification

Error code

E01

E02

E03

EB7

E11

E12

E13

E14

E15

E16

E19

E21

E22

E23

E24

E25

E41

E42

E43

E45

E46

E50

E51

E52

E54

Content

Paper leading edge not reaching the exit sensor

Paper trailing edge not passing the exit sensor

Paper remaining inside the copier at power ON

Restart time out error

Paper transport jam inside the copier

Paper feeding jam

Paper misfeed from the ADU

Paper misfeed from the bypass

Paper misfeed from the 1st cassette

Paper misfeed from the 2nd cassette

Paper misfeed from the 3rd cassette

Paper misfeed from the 4th cassette

Paper misfeed from the LCF

Paper transport jam

Paper transport jam from the LCF

Paper transport jam from the 1st cassette

Paper transport jam from the 2nd cassette

Paper transport jam from the 3rd cassette

Paper transport jam from the 4th cassette

Front cover opened during copying

Side door opened during copying

(Paper not reaching the registration

sensor after feeding)

Cover open jam

ADU unit pulled out during copying

LCF jam access cover opened during copying

Bypass unit opened during copying

Paper not reaching the ADU

Paper jam in ADU and reversing

area

Paper not restarting from the ADU stack

Paper not reaching the ADU path sensor

ADU paper transport jam

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Classification

Error code

E71

E72

E73

E75

E79

Content

Original not reaching the aligning sensor

Original not reaching the exit sensor

Original not passing the exit sensor

Second original not reaching the aligning sensor in 2-in-1 mode

Original pre-feeding jam

Original jam in the ADF

Paper jam in the sorter

EA1

EA2

EA3

EA4

EA5

EA6

EA8

EA9

EAA

EAB

EAC

EC2

EC3

C05

C09

C0A

C0B

C0C

C0D

C0E

C11

C12

C13

C14

C15

C16

C18

C27

C28

C29

Paper transport delay jam

Paper transport stop jam

Paper remaining on the sorter transport path at power on

Sorter front door opened during copying

Staple jam

Paper jam in the sorter

Finisher/sorter early-arrival jam (P30) (internal)

Finisher saddle staple jam

Finisher saddle door open

Finisher saddle power ON jam

Finisher saddle delivery delay

Finisher saddle delivery failure

Special sheet jam

OHP sheets used except from bypass and 2nd cassette

OHP sheet used in non-OHP mode

ADU motor rotation abnormal

Drive system related service call

Paper feeding system related

Black developer motor rotation abnormal

Color developer motor rotation abnormal

Drum motor K rotation abnormal

service call

Drum motor C rotation abnormal

Drum motor M rotation abnormal

Drum motor Y rotation abnormal

ADU paper side guide function abnormal

ADU paper end guide function abnormal

1st cassette tray function abnormal

2nd cassette tray function abnormal

3rd cassette tray function abnormal

4th cassette tray function abnormal

LCF tray function abnormal

Scanner related service call

Carriage home position sensor not turning OFF within a fixed time

Carriage home position sensor not turning ON within a fixed time

Exposure lamp disconnection detected

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Classification

Error code

C31

Content

Used toner transport motor rotation abnormal

Developer removal shutter function abnormal

Transfer belt unit contact/release function abnormal

Transfer belt moter rotation abnormal

Auto toner initializing error (K)

Copy process related service call

C33

C35

C37

C38

C39

Auto toner initializing error (C)

C3A

C3B

C3C

C3D

C3E

C3F

Auto toner initializing error (M)

Auto toner initializing error (Y)

Main charger wire abnormal (K)

Main charger wire abnormal (C)

Main charger wire abnormal (M)

Main charger wire abnormal (Y)

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Classification

Error code

C41

Content

Thermistor or heater abnormal when warming-up is started

Thermistor abnormal after the copier becomes ready

Thermistor abnormal during warming-up after abnormality

judgment

Fuser unit related service call

C42

C43

C44

C46

C47

Heater abnormal during warming-up after abnormality

judgment

Heater abnormal (low temperature) after the copier has

become ready

Rear thermistor abnormal after the copier has become

ready

C48

Heater abnormal (high temperature)

Error C7

Communications related service call

C57

C5A

C5B

C5C

C72

C73

C74

C94

C9A

C9E

CA1

CA2

CD1

CD2

CD3

CD4

Communications error between Main-CPU and Sorter-CPU

Communications error between Main-CPU and printer controller

Main-CPU signal transmission error to IMC-CPU

Main-CPU signal reception error from IMC-CPU

Error of aligning sensor automatic adjustment

EEPROM initializing error

ADF related service call

Other service calls

Error of paper exit sensor automatic adjustment

Main-CPU abnormal

Main memory abnormal

IMC board connection abnormal

Polygonal motor rotation abnormal

H-SYNC abnormal

Laser optical unit related service call

Laser calibration error (K)

Laser calibration error (C)

Laser calibration error (M)

Laser calibration error (Y)

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Classification

Error code

CB1

CB2

CB3

CB4

CB5

CB6

CB7

CB8

CB9

CBA

CBB

CBC

CBD

CBE

CBF

CC0

CC2

CC1

CC3

CC4

CC5

CCA

CCC

CE1

CE2

CE3

CE4

CE5

CF1

Content

Sorter related service call

Delivery motor abnormal

Paper exit motor abnormal

Tray-up motor abnormal

Alignment motor abnormal

Staple motor abnormal

Staple unit shift motor abnormal

Stack detection sensor abnormal

Backup RAM data abnormal

Saddle push motor abnormal

Saddle outer staple motor abnormal

Saddle inner staple motor abnormal

Saddle alignment motor abnormal

Saddle guide motor abnormal

Saddle folding motor abnormal

Saddle positioning plate motor abnormal

Sensor connector connection abnormal

Micro-switch abnormal

Sorter related service call

Transport motor rotation abnormal

Bin shift motor rotation abnormal

Guide bar swing motor rotation abnormal

Staple-unit swing motor rotation abnormal

Automatic adjustment error of bin inside paper sensor

No power being supplied

Image quality related service call

Image quality sensor abnormal (OFF level)

Image quality sensor abnormal (no pattern level)

Abnormal image caused by poor charger

Image quality control test pattern abnormal

Temperature/humidity sensor upper-limit abnormal

Color registation control abnormal

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Classification

Error code

F07

Content

Options related service call

Communications error between System-CPU and Main-CPU

Communications error between System-CPU and Scanner-CPU

Communications error between System-CPU and AI-board

during pre-scanning

F11

Image processing options related

service call

F51

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<<Error history>>

Under code 253 in the setting mode (08), the latest eight groups of error data will be displayed.

Display example

EA1

99 08 26 17 57 32

YY MM DD HH MM SS

12 digits

236210000000

ABCDEFHIJLOP

12 digits

Error code

3 digits

MMM

3 digits

NNN

3 digits

Paper source

0:Not fixed 1:Bypass feed 2:LCF 3:1st 4:2nd 5:3rd 6:4th 7:ADU feed

Paper size code

0:A5/ST 1:A5-R 2:ST-R 3:LT 4:A4 5:B5-R 6:LT-R 7:A4-R 8:OTHER/UNIV 9:B5

A:FOL/COM B:LG C:B4 D:LD E:A3 Z:Not selected

Sort mode

0:Not selected 1:Group 2:Sort 6:Staple sort

DF mode

0:Unused 1:AUTO FEED (SADF) 2:STACK FEED

APS/AMS mode

0:Not selected 1:APS 2:AMS

Duplex mode

0:Not selected 1:BOOK 2:Two-sided/Single-sided 4:Two-sided/Duplexed 8:Single-sided/Duplexed

Unused

Binding space

0:Unused 1:BOOK 2:LEFT 4:RIGHT

Editing

0:Unused 1:Masking 2:Trimming 3:Mirror image 4:Negative/Positive

Edge erase/Dual-page

0:Unused 1:Edge erase 2:Dual-page 3:Edge erase & Dual-page

Unused

Function

0:Copying 1:Unused (Extended copying) 2:Unused (Fax input) 3:Unused (Fax printing)

4:Printing 5:Unused (DSS)

MMM Primary-scanning reproduction ratio (Display in hexadecimal)

(Mx256)+(Mx16)+M

NNN

Secondary-scanning reproduction ration (Display in hexadecimal)

(Nx256)+(Nx16)+N

Color mode

0:Auto color 1:Full color 2:Black 3:Monocolor

AI board

0:Unused 1:Used

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1. 2 Self Diagnostic Mode

Mode

Input method

Meaning

Clearing

Whole control panel light-

ing mode

[0]+[1]+[POWER]

All control-panel LEDs are lit, [C] or [POWER]

and all LCD pixels are turned

on/off repeatedly.

OFF/ON

Test mode

[0]+[3]+[POWER]

Input/output signals are [POWER] OFF/ON

checked

Test print mode

Adjustment mode

Setting mode

[0]+[4]+[POWER]

[0]+[5]+[POWER]

[0]+[8]+[POWER]

A test pattern print is made.

Adjustment of various items

Setting of various items

[POWER] OFF/ON

Note: Input method for various modes:

While pressing simultaneously the two digital keys corresponding to the mode you want to set

(for example, [0] and [5]), turn on the main switch [POWER].

CLEAR

(Exit)

POWER OFF/ON

START

CLEAR

(Exit)

(All control-panel LEDs light)

(Check Key)

Power

• Whole control-panel lighting mode (01) :

Notes: 1. During the “Check keys” mode, [CLEAR] alone can do.

During the “Whole control-panel lighting mode”, [CLEAR] can clear the mode.

2. Check keys : Any key with LED (when it is pressed, the LED goes out.)

Any key without LED (When it is pressed, an indication is made in the message area.)

• Test mode (03)

:Refer to Sec. 1.2.1 and 1.2.2 for test modes.

: Refer to Sec. 1.2.3 for test print modes.

• Test print mode (04)

• Adjustment mode (05) : Refer to Sec. 1.2.4 for adjustment modes.

• Setting mode (08) : Refer to Sec. 1.2.5 for setting modes.

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[Power] ON

[0][3] [0][5]

Normal

[0][1]

[0][8]

[0][4]

[CLEAR]

All the displays on

the control panel lit

Warming up

Standby

Test mode Adjustment mode Setting mode

Test print mode

[Power] OFF/ON

Hand over to user

Transition diagram of self-diagnostic mode conditions

*1 : During the “Whole control-panel lighting mode”, copying is not possible. But after pressing [CLEAR]

to make the copier ready, you can make copies.

*2 : After having used the self-diagnostic mode, be sure to turn OFF and then ON the power before

returning the copier to the customer.

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1. 2. 1 Input check (Test mode 03)

The status of each item can be checked by setting ON/OFF of each [FULL COLOR], [AUTO COLOR],

[ENERGY SAVER], and then pressing each of the corresponding digital key in this test mode 03.

Note: When icon is displayed with black letter on white background, it indicates the value is 0, while

in reverse black and white, it indicates the value is 1.

[FULL COLOR]key: OFF, [AUTO COLOR]key: OFF, [ENERGY SAVER]key: OFF

Digital key Icon

Item

Condition

0: Switch is ON

Paper size switch 0 (1st cassette : Lower)

Paper size switch 1 (1st cassette : Middle lower)

Paper size switch 2 (1st cassette : Middle upper)

Paper size switch 3 (1st cassette : Upper)

Cassette paper empty sensor (1st cassette)

Cassette tray-up limit sensor (1st cassette)

Cassette-feed jam sensor (1st cassette)

—

0: Switch is ON

1: No paper

1: Tray is upper limit

1: Paper exist

Paper size switch 0 (2nd cassette : Lower)

Paper size switch 1 (2nd cassette : Middle lower)

Paper size switch 2 (2nd cassette : Middle upper)

Paper size switch 3 (2nd cassette : Upper)

Cassette paper empty sensor (2nd cassette)

Cassette tray-up limit sensor (2nd cassette)

Cassette-feed jam sensor (2nd cassette)

—

0: Switch is ON

1: No paper

1: Tray is upper limit

1: Paper exist

Paper size switch 0 (3rd cassette : Lower)

Paper size switch 1 (3rd cassette : Middle lower)

Paper size switch 2 (3rd cassette : Middle upper)

Paper size switch 3 (3rd cassette : Upper)

Cassette paper empty sensor (3rd cassette)

Cassette tray-up limit sensor (3rd cassette)

Cassette-feed jam sensor (3rd cassette)

—

0: Switch is ON

1: No paper

1: Tray is upper limit

1: Paper exist

Paper size switch 0 (4th cassette : Lower)

Paper size switch 1 (4th cassette : Middle lower)

Paper size switch 2 (4th cassette : Middle upper)

Paper size switch 3 (4th cassette : Upper)

Cassette paper empty sensor (4th cassette)

Cassette tray-up limit sensor (4th cassette)

Cassette-feed jam sensor (4th cassette)

—

0: Switch is ON

1: No paper

1: Tray is upper limit

1: Paper exists

FC-22 ADJUSTMENT

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Digital key Icon

Item

Bypass paper-width sensor 0

Bypass paper-width sensor 1

Bypass paper-width sensor 2

Bypass paper-width size sensor 3

Bypass paper sensor

Condition

Refer to Table 1.

1: No paper

Bypass unit open/close switch

Side door open/close switch

Bypass unit is installed or not

LCF paper empty sensor

LCF lower-limit sensor

1: Unit is open

1: Side door is open

0: Unit is installed

1: No paper

1: Tray limit (lower)

1: Tray limit (upper)

0: Switch is ON

1: Door is open

0: LCF is installed

0: Normal rotation

LCF tray-up sensor

LCF tray-down switch

LCF paper supply door switch

LCF is installed or not

ADU motor rotation status

(Motor is rotating by 03 Output mode)

ADU unit is installed or not

ADU paper jam switch

0: ADU unit is installed

1: Paper exist

ADU paper empty switch

ADU end switch

0: No paper

1: End guide is positioned at home position

1: Side guide is positioned at home position

ADU side switch

—

Total counter is installed or not

Key copy counter is installed or not

—

0: Total counter is installed

0: Key copy counter is installed

Developer removal shutter home position sensor

—

0: Shatter is closed

0: Unit is installed

0: Normal rotation

Transfer belt unit is installed or not

—

Color developer motor rotation status

(Motor is rotating by 03 Output mode)

Black developer motor rotation status

(Motor is rotating by 03 Output mode)

Transfer belt limit switch

Transfer belt home position switch

0: Transfer belt is black mode position

0: Transfer belt is color mode position

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Digital key Icon

Item

Condition

External printer controller power ON/OFF

0: Controller power ON

—

Front-cover switch

1: Front cover is open

OHP center sensor

0: Opaque paper is installed

—

Registration sensor

1: Paper exist

0: Board installed

1: Paper exist

IPC-IF board (Sorter installation kit) is installed or not

ADU path sensor

—

Exit sensor

1: Paper exist

Paper-exit unit open/close switch

1: Paper-exit unit is open

1: Used toner full

Toner bag limit sensor

—

Table 1. Relation between bypass paper-width sensor status and paper width size.

Bypass paper-width sensor

Paper-width size

A3/LD

A4-R/LT-R

A5-R/ST-R

Card size

B4-R/LG

B5-R

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[FULL COLOR]key: OFF, [AUTO COLOR]key: OFF, [ENERGY SAVER]key: ON

Digital key Icon

Item

Condition

—

Developer cartridge Y is installed or not

0: Cartirdge is installed

0: Unit is installed

Developer cartridge M is installed or not

Developer cartridge C is installed or not

Developer cartridge K is installed or not

Processing unit is installed or not

Fuser unit is installed or not

0: Unit is installed

—

Wire cleaner home position switch Y

0: Cleaning pad is positioned at home position.

0: Cleaning pad is positioned at limit position.

Wire cleaner home position switch M

Wire cleaner home position switch C

Wire cleaner home position switch K

Wire cleaner limit switch Y

Wire cleaner limit switch M

Wire cleaner limit switch C

Wire cleaner limit switch K

—

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Digital key Icon

Item

Condition

—

Front cover, paper-exit unit open/close check

1: Cover/unit open

Polygonal motor rotation status (Motor is rotating by 03 Output mode) 0: Normal rotation

—

Upper fuser roller thermistor (center) check

Upper fuser roller thermistor (rear) check

Lower fuser roller thermistor (center) check

Thermistor output value is displayed with 8 bit.

[FULL COLOR]key: OFF, [AUTO COLOR]key: ON, [ENERGY SAVER]key: OFF

Digital key Icon

Item

Lower fuser roller thermistor (rear) check

Temperature sensor check

Humidity sensor check

Drum thermistor Y check

Drum thermistor M check

Drum thermistor C check

Drum thermistor K check

—

Condition

—

Thermistor output value is displayed with 8 bit.

Sensor output value is displayed with 8 bit.

Thermistor output value is displayed with 8 bit.

—

FC-22 ADJUSTMENT

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[FULL COLOR]key: OFF, [AUTO COLOR]key: ON, [ENERGY SAVER]key: ON

Digital key Icon

Item

Condition

—

Color registration sensor (front)

Sensor output value is displayed with 8 bit.

Sensor output value is displayed with 10 bit.

Color registration sensor (rear)

Image quality sensor

—

ADF aligning sensor

1: Original exist

1: ADF is open

1: Original exist

ADF exit sensor

ADF open/close sensor

ADF empty sensor

ADF size sensor 1

—

ADF size sensor 2

ADF unit is installed or not

1: ADF unit is installed

—

Direct control-panel connection detection

Connection

Installation

—

Carriage home position sensor

1: Carriage is home position

1: Platen cover is closed

Direct control-panel SW-F key (during debugging)

Platen sensor

—

APS sensor (APS-R)

APS sensor (APS-C)

APS sensor (APS-3)

APS sensor (APS-2) (for A4 series)

APS sensor (APS-1)

Scanner SCM board input 24V check

Thermistor check

1: Original exist

Output value is displayed with 8 bit.

—

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[FULL COLOR]key: ON, [AUTO COLOR]key: OFF, [ENERGY SAVER]key: OFF

Digital key Icon

Item

Condition

—

Auto-toner sensor Y

Sensor output value is displayed with 8 bit.

Auto-toner sensor M

Auto-toner sensor C

Auto-toner sensor K

—

)

(

START

FULL COLOR

ENERGY SAVER

Digital keys

(LCD ON)

AUTO COLOR

POWER

POWER OFF/ON

(Exit)

Note: After initialization, the copier goes into the test mode.

Note: When icon is displayed with white letter on black background on the control panel,

it indicates the value is 1.

FC-22 ADJUSTMENT

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1. 2. 2 Output check (Test mode 03)

Output signal status can be checked by inputting the following code according to this test mode 03.

Code

Function

Code

Function

Procedure

150 All output OFF

101

102

Drum motor and transfer belt motor rotation with normal running speed ON 151 Code No. 101 function OFF

Drum motor and transfer belt motor rotation with OHP copying speed (low) ON

152 Code No. 102 function OFF

153 Code No. 103 function OFF

154 Code No. 104 function OFF

155 Code No. 105 function OFF

156 Code No. 106 function OFF

157 Code No. 107 function OFF

158 Code No. 108 function OFF

159 Code No. 109 function OFF

160 Code No. 110 function OFF

161 Code No. 111 function OFF

162 Code No. 112 function OFF

163 Code No. 113 function OFF

164 Code No. 114 function OFF

180 Code No. 130 function OFF

181 Code No. 131 function OFF

182 Code No. 132 function OFF

183 Code No. 133 function OFF

184 Code No. 134 function OFF

103 Paper feed motor ON

104 Fuser motor ON

105 Color developer motor ON

106 Black developer motor ON

107 Registration clutch ON

108 Used-toner transport motor ON

109 ADU motor ON

110 Toner motor (Y) ON

111 Toner motor (M) ON

112 Toner motor (C) ON

113 Toner motor (K) ON

114 Image quality sensor shutter solenoid ON

130 Polygonal motor standby speed ON

131 Polygonal motor normal speed ON

132 Image quality sensor LED ON

133 Color registration sensor LED (front) ON

134 Color registration sensor LED (rear) ON

135 Image quality sensor mode switching ON (Black mode) 185

201 1st cassette feed clutch ON/OFF

Code No. 135 function OFF (Color mode)

202 2nd cassette feed clutch ON/OFF

203 3rd cassette feed clutch ON/OFF

204 4th cassette feed clutch ON/OFF

205 Feed path clutch ON/OFF

206 Bypass feed clutch ON/OFF

207 1st cassette tray-up motor ON (tray goes up)

208 2nd cassette tray-up motor ON (tray goes up)

209 3rd cassette tray-up motor ON (tray goes up)

210 4th cassette tray-up motor ON (tray goes up)

211 Paper-exit gate solenoid ON/OFF

212 Total counter count up

213 Ozone exhaust fan motor ON/OFF

214 Fuser exhaust fan motor speed Low/High

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Code

Function

Procedure

215 SIC fan motor speed Low/High

216 Charger wire cleaner drive motor (Y) CW/CCW (continuous reciprocating)

217 Charger wire cleaner drive motor (M) CW/CCW (continuous reciprocating)

218 Charger wire cleaner drive motor (C) CW/CCW (continuous reciprocating)

219 Charger wire cleaner drive motor (K) CW/CCW (continuous reciprocating)

220 Transfer-belt contact/release motor CW/CCW (continuous reciprocating)

221 Developer removal shutter open/close motor CW/CCW (continuous reciprocating)

223 LCF paper-feed motor ON/OFF

224 LCF tray motor ON/OFF

225 ADU feed clutch ON/OFF

226 ADU gate solenoid ON/OFF

227 ADU side motor ON/OFF

228 ADU end motor ON/OFF

235 Main charger (Y) ON/OFF

236 Main charger (M) ON/OFF

237 Main charger (C) ON/OFF

238 Main charger (K) ON/OFF

239 Developer bias (Y) DC (+) ON/OFF

240 Developer bias (M) DC (+) ON/OFF

241 Developer bias (C) DC (+) ON/OFF

242 Developer bias (K) DC (+) ON/OFF

243 Developer bias (Y) DC (–) ON/OFF

244 Developer bias (M) DC (–) ON/OFF

245 Developer bias (C) DC (–) ON/OFF

246 Developer bias (K) DC (–) ON/OFF

247 Developer bias (Y) AC ON/OFF

248 Developer bias (M) AC ON/OFF

249 Developer bias (C) AC ON/OFF

250 Developer bias (K) AC ON/OFF

251 Cleaning blade bias (Y) AC + DC ON/OFF

252 Cleaning blade bias (M) AC + DC ON/OFF

253 Cleaning blade bias (C) AC + DC ON/OFF

254 Cleaning blade bias (K) AC + DC ON/OFF

255 Transfer roller bias (Y) ON/OFF

256 Transfer roller bias (M) ON/OFF

257 Transfer roller bias (C) ON/OFF

258 Transfer roller bias (K) ON/OFF

259 Paper suction charger ON/OFF

260 Discharge LED (Y) ON/OFF

FC-22 ADJUSTMENT

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Code

Function

Procedure

261 Discharge LED (M) ON/OFF

262 Discharge LED (C) ON/OFF

263 Discharge LED (K) ON/OFF

280 Laser (Y) ON/OFF

281 Laser (M) ON/OFF

282 Laser (C) ON/OFF

283 Laser (K) ON/OFF

300 Carriage fan motor rotation when standby (low speed) ON/OFF

301 Carriage fan motor rotation when running (high speed) ON/OFF

302 SCM fan motor rotation speed Low/High

304 Scanner exposure lamp ON/OFF

331 ADF pick-up roller rotation ON/OFF

332 ADF aligning roller rotation ON/OFF

333 ADF transport-belt CW rotation ON/OFF

334 ADF transport-belt CCW rotation ON/OFF

351 Scan motor (carriage 1 reciprocating)

352 Document motor (indicator 1 reciprocating)

353 ADF single-sided original feeding

354 ADF two-sided original feeding

355 ADF original exiting

356 ADF 2 in 1 original feeding

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Group 1

START

POWER OFF/ON

(Exit)

(Code)

(Operation ON)

(Code)

(Operation OFF)

POWER

Group 2

START

CLEAR

POWER OFF/ON

(Exit)

(Code)

(One-direction operation)

POWER

Group 3

START

CLEAR

POWER OFF/ON

(Exit)

(Code)

(Operation ON)

(Operation OFF)

POWER

Group 4

START

CLEAR

POWER OFF/ON

(Exit)

(Code)

(Operation ON)

(Operation OFF)

POWER

6 sec. later

FC-22 ADJUSTMENT

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1. 2. 3 Test print mode (04)

In the 04 test print mode, you can print the test patterns matching with each item if you input the

following codes.

Code

Types of test pattern

Remarks

Paper size

2-pixel modulation pattern for creating γ table

3-pixel modulation pattern for creating γ table

1-pixel modulation pattern for checking γ table

2-pixel modulation pattern for checking γ table

3-pixel modulation pattern for checking γ table

Gray 2-pixel modulation pattern for checking γ table

Gray 3-pixel modulation pattern for checking γ table

204 Grid pattern (Printer reproduction ratio/Registration

adjustment pattern)

Pattern width: 1 dot, Pitch: 5mm

(same as the adjustment pattern

by [05] mode [1][SETTINGS])

A3/LD

219 6% test pattern

220 8% test pattern

None

230 Gradation check pattern (2 Pixels standard)

Pattern width: 10mm,

32 gradation steps

Pattern width: 10mm,

32 gradation steps

A3/LD

231 Gradation check pattern (3 Pixels standard)

A3/LD

234 Half tone

A3/LD

256 Density check pattern

291 2-pixel modulation pattern 1 for selecting pulse width

292 2-pixel modulation pattern 2 for selecting pulse width

Note: Full color (YMCK) mode is not available in 230, 231 and 234.

START

STOP

POWER OFF/ON

(Exit)

(Code)

(Test print operation)

POWER

Note: 1. When an error has occurred, it is indicated, but the recovery operation is not performed. So, turn the

power OFF and then back ON to clear the error.

2. During test printing, when "Wait adding toner" is displayed, the [STOP] key is disabled.

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1. 2. 4 Adjustment mode (05)

In the adjustment mode 05, the following adjustment items can be corrected, changed, or checked.

*In code No. column, number after hyphen means sub-code.

Operation

Acceptable

Value

Code

Description/Mode

Default

Contents

procedure

group

104 Scanner (secondary scanning) copy length re- 128

production ratio adjustment.

1~255 When the value increases by 1, the

reproduction ratio in the secondary

scanning direction (vertical paper

feeding direction) increases by

approx. 0.1522%.

105 Scanner (secondary scanning) start position 128 85~171 When the value increases by 1, the

deviation

image shifts by approx. 0.1213mm

toward the trailing edge of the pa-

per.

106 CCD primary scanning start For regular

180

133

5~251 When the value increases by 1, the

image shifts by approx. 0.042mm

toward the front side of the paper

(machine).

position deviation

copy mode

108

For whole-area

copy mode

5~251 When you input a value, which is

47steps (equivalent to2mm)

smaller than the set value of [106],

the rear original edge and thefront

copy edge match (0.042mm/step).

135 RADF original stop position (single-sided)

136 RADF original stop position

0~15

Changes the position where the

original stops.When the value in-

creases by 1, the original stop po-

sition shifts by 1 mm away from the

original stopper.

(reverse side of two-sided original)

137 RADF sensor automatic adjustment and

EPROM Initialization

–

By pressing the START key, WAIT

is displayed while the automatic

adjustment is performed.

Perform RADF EPROM Initializa-

tion when EPROM, RADF logic

PWA or sensors are replaced.

When the value increases by 1, the

gap between two originals extend

by 1 mm.

142 RADF 2-in-1 gap adjustment

0~15

FC-22 ADJUSTMENT

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

After filling the developer from the de-

veloper cartridge (approx. 2.5min.),

auto-toner sensor output is adjusted

(approx. 2min.) to set in the range of

4.00-4.33V. (As the value increases,

the sensor output increases.)

200 Automatic filling of developer All (Y, M, C, K)

201 material and automatic ad- Y

–

0~255

202 justment of the auto-toner cir- M

–

203 cuit

–

204

–

221

Color (Y, M, C)

–

213 Auto toner output value

0~1023 Auto toner output value is displayed. 10

223

224

225

226

241

242

243

244

245

130

125

120

116

–

0~255

Developer bias DC (–)

output adjustment

As the value increases, the transformer

output increases.The adjustment value

becomes effective only when the setting

mode (08-400, 401, 409) is 0 (disabled).

As the value increases, the transformer

output increases.The adjustment value

becomes effective only when the setting

Main charger grid bias

output adjustment

mode (08-400, 401, 409) is 0 (disabled).

Auto-toner sensor output is

Automatic adjustment of the All

auto-toner circuit

adjusted (approx. 2 min.) to set

in the range of 4.00~4.33V. (As

the value increases, the sensor

output increases.)

(Without automatic filling of (C, M, Y, K)

developer material)

–

246

247

248

249

250

0~255

Color

(Y, M, C)

252-0

252-1

252-2

252-3

253-0

253-1

253-2

253-3

257-0

257-1

257-2

257-3

258-0

258-1

258-2

258-3

250

900

100

700

0~999

Main charger bias

Actual output voltage of main

charger grid bias. After replacing

the main high-voltage transformer,

input the value according to the

supplementary data sheet.

output voltage 1 (lower)

Main charger bias

output voltage 2 (upper)

Developer bias DC (–)

output voltage 1 (lower)

Actual output voltage of developer

bias. After replacing the main high-

voltage transformer, input the value

according to the supplementary

0~999 data sheet.

0~999

Developer bias DC (–)

output voltage 2 (upper)

0~999

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FC-22 ADJUSTMENT

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

318 Transfer bias

Full color Normal paper

mode (Top face)/

0~255 The bias value of the transfer roller

319 output adjustment

0~255 is set. The higher the value, the

320

321

326

327

328

329

330

331

332

333

334

335

336

337

361

thick paper

mode

0~255 larger the transformer output be-

0~255 comes. The adjustment value be-

0~255 comes effective only when the set-

Normal paper

mode (Re-

verse face)

0~255 ting mode (08-400, 401, 409) is 0

0~255 (disabled).

0~255

OHP mode

0~255

101

111

141

0~255

Thick paper

2 mode

0~255

Black

0~255

Normal paper mode

(Top face)/Thick pa-

per 1 mode

Normal paper mode

363

0~255

(Reverse face)

364

365

OHP mode

0~255

Thick paper2 mode

Transfer bias output

voltage 1 (lower)

367-0

367-1

367-2

367-3

368-0

589 0~5000 Actual output voltage of transfer

roller bias.After replacing the trans-

fer transformer, input the value ac-

cording to the supplementary data

sheet.

589 0~5000

3929 0~5000

4715 0~5000

Transfer bias output

368-1 voltage 2 (upper)

368-2

368-3

The bias value of the transfer roller

is set. The higher the value, the

larger the transformer output be-

comes. The adjustment value be-

comes effective only when the set-

ting mode (08-400, 401, 409) is 0

(disabled).

381 Transfer bias out- Full color Thick paper Y 72

0~255

382 put adjustment

3 mode

383

384

385

Black

Thick paper3 mode

FC-22 ADJUSTMENT

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

390 Automatic removing of devel- All (Y, M, C, K)

–

The developer material in the de-

veloper unit is removed into the

toner bag.

391 oper material

392

Color (Y, M, C)

Reproduction ratio adjustment of primary scan-

ning direction (Fine adjustment of polygonal

motor rotation speed)

400

1222 1209~1235 When the value increases by 1, the

reproduction ratio in the primary

scanning direction (horizontal pa-

per feeding direction) decreases by

approx.0.082%.(If the values of this

code 400 is changed, the values of

code 05-401, 402, 403, 404 and

474 are optimized.)

Reproduction ratio adjustment of secondary

scanning direction (Fine adjustment of transfer

belt motor rotation speed)

401

1355 1327~1382 When the value increases by 1, the

reproduction ratio in the secondary

scanning direction (vertical paper

feeding direction) decreases by

approx.0.074%.(If the values of this

code 401 is changed, the values of

code 05-401, 402, 403, 404 and

474 are optimized.)

402 Fine adjustment of fuser motor rotation speed 3794 0~65535 When the value increases by 1, the

rotation speed of fuser motor de-

creases by 0.026%.

403 Fine adjustment of drum motor rotation speed 1700 0~65535 When the value increases by 1, the

rotation speed of the drum motors

(Y,M,C,K) decreases by 0.059%.

404 Fine adjustment of feed motor rotation speed 4289 0~65535 When the value increases by 1, the

rotation speed of the paper feed

motor decreases by 0.023%.

406 Feed motor speed adjustment

–

The paper transport speed of reg-

istration roller in relation to the im-

age printing speed is set at the op-

timum value. (If the value of this

code 406 is performed, the value

of code 05-404 is optimized.)

Performs the color registration con-

trol.

407 Color registration control forced performing

–

Correction of fuser motor rotation speed in the

thick paper 3 mode

408

0~20

In this thick paper 3 mode, when

the value is increased by 1, the

fuser motor rotation speed is de-

creased by 0.026%.

January 2000 © TOSHIBA TEC

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FC-22 ADJUSTMENT

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

160

Contents

427 Right margin

0~255 Printed page right edge void (mar-

gin) adjustment.When the value in-

creases by 1, the void in the right

side of paper feed direction (rear

side) decreases by approx.

0.042mm.

428 Bottom margin

160

0~255 Printed page trailing edge void

(margin) adjustment. When the

value increases by 1mm, the void

in the trailing edge of paper feed

direction decreases by approx.

0.042mm.

Paper alignment

(paper buckle) at

the main registra-

tion roller

Long size

Short size

Long size

Short size

Long size

439

440

441

442

443

444

445

446

447

448

449

450

451

452

1st

0~40

0~50

When the value increases by 1,

the aligning (paper buckle)

increases by approx. 0.8mm.

cassette

2nd

cassette

3rd

*Long size:

cassette Short size

4th Long size

cassette Short size

Paper length 330 mm and longer

(A3/LD/A3 wide)

Short size:

ADU

Long size

Short size

Paper length 220 mm to 329 mm

LCF

Bypass feed

Thick paper 2 mode

Thick paper 3 mode

461 Color registration status display

0~255 The value ofY (0) shows the status 10

of color registration sensor error. 0

or 16 or above: Normal

1-14: Data abnormal (sensor normal)

15: Color registration pattern reading error

Primary-scanning data write start position

adjustment

470

474

100

0~255 When the value increases by 1, the

image shifts by approx. 0.042mm

toward the right side of paper feed

direction.

Secondary-scanning data write start position ad-

justment (Printer and Test print mode)

1~15

When the value increases by 1, the

image shifts by approx. 0.6mm to-

ward the leading edge of paper feed

direction.

FC-22 ADJUSTMENT

1 - 24

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

482 Primary-scanning reproduction ratio (scanner) 127 112~142 When the value increases by 1, the

reproduction ratio of the primary

scanning direction (paper feeding

in horizontal direction) decreases

by 0.082%.

484 Secondary-scanning data 1st cassette

0~15

0~50

When the value increases by 1, the

image shifts by approx. 0.6 mm to-

ward the trailing edge of paper feed

direction.

485 write start position adjust- 2nd cassette Y

486 ment (Copier)

3rd cassette

4th cassette

Bypass feed

LCF

487

488

489

490

ADU

492

Paper aligning amount adjustable for the main registra-

tion roller in OHP mode when feeding from the bypass.

Paperrestartingamountadjustableforthebypass feed

roller in OHP mode when restarting its roller.

When the value increases by 1, the

aligning increases by approx. 0.8 mm.

Default 9: 68 msec.

493

0~14

When the value increases by 1, the

aligning increases by approx. 7 msec.

500 Modulation mode switching, type A

501 Modulation mode switching, type B

502 Modulation mode switching, type C

503 Modulation mode switching, type D

504 Highlight processing ON/OFF

505 Screen angle change (Y)

506 Screen angle change (M)

507 Screen angle change (C)

508 Screen angle change (K)

509 Modulation data results indication

511 Density adjustment; density curve input, full color

512 Density adjustment; density curve selection,

full color

0~255

8bit*4*4*5

0~255

513 Density adjustment; density curve selection,

full color

0~255

514 Density adjustment; density curve selection,

full color

515 Density adjustment; density curve selection,

full color

516 Density adjustment; density curve selection,

full color

517 Density adjustment; density curve input,

monochrome

January 2000 © TOSHIBA TEC

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FC-22 ADJUSTMENT

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

518 Density adjustment; density curve selection,

monochrome

0~255

519 Density adjustment; density curve selection,

monochrome

520 Density adjustment; density curve selection,

monochrome

521 Density adjustment; density curve selection,

monochrome

522 Density adjustment; density curve selection,

monochrome

523 Color mode black text γ curve set selection

524 Color mode black text γ curve set selection

525 Color mode black text γ curve set selection

526 Monochrome mode black text γ curve set

selection

0~255

527 Monochrome mode black text γ curve set

selection

0~255

528 Monochrome mode black text γ curve set

selection

529 Monitor patch output ON/OFF switching

530 Filter coefficient set selection table

531 Scanner characteristic R for filter selection

532 Scanner characteristic G for filter selection

533 Scanner characteristic B for filter selection

534 Scanner correction color conversion matrix

selection

0~255

–

(0~99)*62

0~8

0~15

535 Basic color conversion matrix selection, type A 0~255

536 Basic color conversion matrix selection, type B 0~255

537 Basic color conversion matrix selection, type C 0~255

538 Basic color conversion matrix selection, type D 0~255

–

539 Operation of pre-scan unit only

540 Operation equivalent to normal copying

544 Automatic adjustment of scanner correction

color conversion matrix

–

545 Selection of scanner correction color

conversion matrix type

–

0:3 x 4 1:3 x 3

–

546 Indication of scanner correction color

conversion patch read data

547 Indication of scanner correction color

conversion matrix calculation results

32bit*3*10*9

FC-22 ADJUSTMENT

1 - 25- 1

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

550

551

552

553

554

555

556

557

558

559

Full color Text/Photo

128

0~255

"Manual density"

fine adjustment

(Center setting)

When the value increases, images

made at center density become

darker.

Text

Printed image

Photo

Map

Black

Text/Photo

Text

Printed image

Photo

Map

When the value increases, images

made at the “dark” side become

darker.

560 "Manual density" Full color Text/Photo

561 fine adjustment

Text

562 (Darker setting)

Printed image

Photo

563

564

565

566

567

568

569

Map

Black

Text/Photo

Text

Printed image

Photo

Map

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

"Manual density"

570

571

572

573

574

575

576

577

578

579

580

581

582

583

584

585

586

587

588

589

Full color Text/Photo

0~255 When the value increases, images

fine adjustment

(Lighter setting)

Text

0~255 made at the “light” side become

Printed image

Photo

0~255 lighter.

0~255

Map

0~255

Black

Text/Photo

Text

0~255

Printed image

Photo

0~255

Map

0~255

"Automatic den-

sity" fine adjust-

ment

Full color Text/Photo

128

–

0~255 When the value increases, images

Text

0~255 become darker.

Printed image

Photo

0~255

32bit*3*4

Map

Black

Text/Photo

Text

Printed image

Photo

Map

604 Indication of calculation results for color

conversion matrix (within design) type A

605 Indication of calculation results for color

conversion matrix (within design) type B

606 Indication of calculation results for color

conversion matrix (within design) type C

607 Indication of calculation results for color

conversion matrix (within design) type D

611 Indication of scanner automatic color

correction results

–

32bit*3*10*9

0~255

612 For paper size : Maximum value adjustment for 255

plain paper

613 For paper size : Maximum value adjustment for 249

thick paper 1

0~255

614 For paper size : Maximum value adjustment for 249

thick paper 2

0~255

615 For paper size : Maximum value adjustment for 240

thick paper 3

0~255

FC-22 ADJUSTMENT

1 - 26

January 2000 © TOSHIBA TEC

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

616 For paper size : Maximum value adjustment for 255

OHP

0~255

617 For ID : Full color non-text area (Y)

618 For ID : Full color non-text area (M)

619 For ID : Full color non-text area (C)

620 For ID : Full color non-text area (K)

621 Calculation results indication for γ correction

table for 2 pixels (For user automatic gradation

correction)

255

–

0~255

8bit*256*4

(CMYK)

622 Calculation results indication for γ correction

table for 3 pixels (For user automatic gradation

correction)

–

8bit*256*4

(CMYK)

634 Calculation results indication : Pulse width

selection for 1 pixel

–

8bit*16*4

(CMYK)

8bit*16*4

(CMYK)

8bit*16*4

(CMYK)

–

635 Calculation results indication : Pulse width

selection for 2 pixels

636 Calculation results indication : Pulse width

selection for 3 pixels

643 Automatic adjustment of gamma correction

Auto-correction of gradation r

eproduction for each color Y, M, C, K

646 Calculation results indication : γ correction table

creation for 1 pixel

(8bit*65*4

(CMYK))

(8bit*65*4

(CMYK))

(8bit*65*4

(CMYK))

8bit*256*4

647 Calculation results indication : γ correction table

creation for 2 pixels

648 Calculation results indication : γ correction table

creation for 3 pixels

649 Calculation results indication : γ correction table

creation for 1 pixel

650 Calculation results indication : γ correction table

creation for 2 pixels

8bit*256*4

651 Calculation results indication : γ correction table

creation for 3 pixels

652 Achromatic axis equalization selection

653 Achromatic axis equalization selection

654 Achromatic axis equalization selection

655 Achromatic axis equalization selection

656 Achromatic axis equalization selection

657 Total hue adjustment

0~1

128

0~255

January 2000 © TOSHIBA TEC

1 - 26 - 1

FC-22 ADJUSTMENT

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

658 Total hue adjustment

128

100

0~255

659 Total hue adjustment

660 Total hue adjustment

661 Total hue adjustment

662 Total luminance adjustment

663 Total luminance adjustment

664 Total luminance adjustment

665 Total luminance adjustment

666 Total luminance adjustment

667 Total saturation adjustment

668 Total saturation adjustment

669 Total saturation adjustment

670 Total saturation adjustment

671 Total saturation adjustment

672 Differential threshold (R-G) for ACS

673 Differential threshold (G-B) for ACS

674 Differential threshold (B-R) for ACS

675 Judgement threshold for ACS 104

0~255 When the value increases, originals

tend to be judged as monochrome,

and when the value decreases, they

tend to be judged as color in

auto-color mode.

676 Indication of results for ACS

677 Outputting of results for ACS

–

0~1

678 AI mode setting

Discrimination

setting

0~4

Operation mode of discrimination

is changed in AI mode.

0: Standard (for regular)

1: Photograph priority

2: Only judgement of original type

3: Only judgement of original type

with photograph priority

4: Discrimination is not performed

in AI mode.

679 Macro recognition : Pre-process text threshold

0~255

adjustment

681 Macro recognition : Patch area recognition

ON/OFF

FC-22 ADJUSTMENT

1 - 26 -2

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

682 AI mode setting

Time-out setting 63

11~99 Maximum amount of processing

time is set for image discrimination.

2 digits are designated, 1st digit is

for setting A4/LT original, 2nd digit

is for setting A3/LD original. (unit:

second)

683 Macro recognition : Pre-process text threshold

adjustment

–

0~7

684 Macro recognition : Pre-process background

threshold adjustment

685 Macro recognition : Pre-process shading

threshold adjustment

687 Background processing : Indication of results

Offset amount for

processing back-

ground (Back-

ground density

adjustment)

698

699

700

701

702

703

704

705

706

707

708

709

710

711

712

713

714

715

716

717

Full color Text/Photo

128

0~255 When the value increases, the

Text

0~255 background becomes denser.

Printed image

Photo

0~255

Map

Black

Text/Photo

Text

Printed image

Photo

Map

Full color Text/Photo

0~255

Offset amount for

processing back-

ground (Text den-

sity adjustment)

When the value increases, the text

becomes denser.

Text

Printed image

Photo

Map

Black

Text/Photo

Text

Printed image

Photo

Map

718 Micro recognition : Achromatic threshold, low

719 Micro recognition : Achromatic threshold, high

720 Micro recognition : Adjustment (text<->photo),

color

0~8191

0~255

721 Micro recognition : Adjustment (text<->photo),

monochrome

0~255

January 2000 © TOSHIBA TEC

1 - 27

FC-22 ADJUSTMENT

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

722 Micro recognition : Text emphasis adjustment,

color

0~127

0~99

723 Micro recognition : Text emphasis adjustment,

monochrome

724 Micro recognition : Black lowest level threshold,

color

725 Micro recognition : Black lowest level threshold,

monochrome

0~99

726 Micro recognition : Logo text inside threshold

Macro recognition available

0~100

0~255

0~1999

727 Micro recognition : Recognition expansion /

threshold adjustment

728 Micro recognition : Recognition results output,

color

729 Micro recognition : Recognition results output,

monochrome

730 Sharpness

Full color Text/Photo (text area)

Text/Photo (photo area)

AI (text area)

AI (photo area)

Text

0~31

When the value increases, the im-

age becomes sharper. When the

value decreases, the image be-

comes softer.The smaller the value,

the fewer the moire becomes.

* 0 in default is equivalent to 16

(center value).

731 adjustment

732

733

734

735

736

737

Printed image

Photo

Map

January 2000 © TOSHIBA TEC

1 - 27 - 1

FC-22 ADJUSTMENT

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

738 Sharpness adjust- Black

739 ment

Text/Photo (text area)

Text/Photo (photo area)

AI (text area)

AI (photo area)

Text

0~31

0~99

0~63

When the value increases, the im-

age becomes sharper. When the

value decreases, the image be-

comes softer.The smaller the value,

the fewer the moire becomes.

* 0 in default is equivalent to 16

(center value).

740

741

742

743

Printed image

Photo

744

745

Map

746 HPF coefficient

747 HPF coefficient

748 HPF coefficient

749 HPF coefficient

750 HPF coefficient

751 LPF coefficient

752 LPF coefficient

753 LPF coefficient

754 LPF coefficient

755 LPF coefficient

756 Enlargement/reduction random interpolation

ON/OFF

757 Fixed “black” ratio adjustment, type A

758 Fixed “black” ratio adjustment, type B

759 Fixed “black” ratio adjustment, type C

760 Fixed “black” ratio adjustment, type D

761 “Black” table adjustment, type A

762 “Black” table adjustment, type B

763 “Black” table adjustment, type C

764 “Black” table adjustment, type D

765 “Black” calculation reference amount

specification, type A

0~255

0~77

0: Difference between maximum

and minimum;

1: Minimum

766 “Black” calculation reference amount

specification, type A

0: Difference between maximum

and minimum;

1: Minimum

767 “Black” calculation reference amount

specification, type A

0: Difference between maximum

and minimum;

1: Minimum

768 “Black” calculation reference amount

specification, type A

0: Difference between maximum

and minimum;

1: Minimum

FC-22 ADJUSTMENT

1 - 28

January 2000 © TOSHIBA TEC

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

769 “Black” substitution method specification, type A

770 “Black” substitution method specification, type B

771 “Black” substitution method specification, type C

772 “Black” substitution method specification, type D

773 Color mode, black text γ adjustment

0:GCR 1:UCR

128

0~255

774 Color mode, black text γ adjustment

775 Color mode, black text γ adjustment

776 Monochrome mode, black text γ adjustment

777 Monochrome mode, black text γ adjustment

778 Monochrome mode, black text γ adjustment

779-0 Color balance

779-1 adjustment

779-2

Low density

128 0~255 When the value increases, the color

Text/Photo

Medium density 128 0~255 and mode become denser.

High density

Low density

128 0~255

780-0

Text

780-1

Medium density 128 0~255

780-2

High density

Low density

128 0~255

781-0

Printed image

Photo

781-1

Medium density 128 0~255

781-2

High density

Low density

128 0~255

782-0

782-1

Medium density

High density

Low density

782-2

783-0

Map

783-1

Medium density

High density

Low density

783-2

784-0

Text/Photo

Text

784-1

Medium density

High density

Low density

784-2

785-0

785-1

Medium density

High density

Low density

785-2

786-0

Printed image

Photo

786-1

Medium density

High density

Low density

786-2

787-0

787-1

Medium density

High density

Low density

787-2

788-0

Map

788-1

Medium density

High density

788-2

January 2000 © TOSHIBA TEC

1 -28-1

FC-22 ADJUSTMENT

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

Contents

Color balance

adjustment

When the value increases, the color

and mode become denser.

789-0

789-1

789-2

790-0

790-1

790-2

791-0

791-1

791-2

792-0

792-1

792-2

793-0

793-1

793-2

794-0

794-1

794-2

795-0

795-1

795-2

796-0

796-1

796-2

797-0

797-1

797-2

798-0

798-1

798-2

C Text/Photo Low density

128 0~255

Medium density 128 0~255

High density

Low density

128 0~255

Text

Medium density 128 0~255

High density

Printed image Low density

128 0~255

Medium density 128 0~255

High density

Low density

128 0~255

Photo

Map

Medium density 128 0~255

High density

Low density

128 0~255

Medium density 128 0~255

High density

K Text/Photo Low density

128 0~255

Medium density 128 0~255

High density

Low density

128 0~255

Text

Medium density 128 0~255

High density

Printed image Low density

128 0~255

Medium density 128 0~255

High density

Low density

128 0~255

Photo

Map

Medium density 128 0~255

High density

Low density

128 0~255

Medium density 128 0~255

High density 128 0~255

January 2000 © TOSHIBA TEC

1 - 29

FC-22 ADJUSTMENT

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Operation

procedure

group

Acceptable

Value

Code

Description/Mode

Default

—

Contents

817 Output value indica- When the light source

tion of image quality is OFF

sensor

0~1023 Displays the output value of image

quality sensor when the sensor light

source is OFF.

818

819

820

Transfer belt surface

Low density pattern

High density pattern

—

0~1023 Displays the output value of image

quality sensor when there is no test

pattern on the transfer belt.

0~1023 Displays the output value of image 10

quality sensor when a low-density

test pattern is written.

0~1023 Displays the output value of image 10

quality sensor when a high-density

test pattern is written.

The sensor's LED light amount ad-

justment value, for setting the re-

flected light amount from the belt

surface as the reference value.

Perform the image quality control

and restore the initial value.

821 Light amount adjustment results of image qual-

ity sensor

0~255

878 Forced performing of image quality control

879 Automatic initialization of image quality control

—

FC-22 ADJUSTMENT

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Group 1

SET or INTERRUPT

(Stored in memory)

( ENERGY SAVER

(Test copy)

START )

START

POWER OFF/ON

(Exit)

(Code)

(Set a value)

POWER

CLEAR

CANCEL or

(For correction)

Group 2

SET or INTERRUPT

(A value

displayed)

( ENERGY SAVER START )

(Test copy)

START

POWER OFF/ON

(Exit)

(Code)

POWER

(Changing the value

not allowed)

Group 4

START

SET or INTERRUPT

(Stored in memory)

START

(Code)

(Sub-code)

(Set a value)

POWER

CLEAR

CANCEL or

(For correction)

( ENERGY SAVER

(Test copy)

START )

POWER OFF/ON

(Exit)

Group 5

( ENERGY SAVER

(Test copy)

START )

INTERRUPT

POWER OFF/ON

START

(Code)

(Auto adjustment)

POWER

(Stored in memory)

(Exit)

January 2000 © TOSHIBA TEC

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FC-22 ADJUSTMENT

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Group 6

( ENERGY SAVER

(Test copy)

START )

POWER OFF/ON

(Exit)

START

(Code)

(Auto adjustment)

POWER

Group 10

START

SET or INTERRUPT

(Changing the value not allowed)

START

(Code)

(Sub-code)

POWER

( ENERGY SAVER

(Test copy)

START )

POWER OFF/ON

(Exit)

Group 13

POWER

START

(Code)

(Number of pixels or type)

STOP

INTERRUPT

(Auto adjustment)

START

( ENERGY SAVER

(Test copy)

START )

STOP

POWER OFF/ON

(Image processing calculation)

(Exit)

Group 15

(Set 5 adjustment

charts for bypass)

START

INTERRUPT

POWER OFF/ON

(Exit)

(Auto adjustment)

(Jam or Error)

(Code)

POWER

(Stored in memory)

CLEAR

FC-22 ADJUSTMENT

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1. 2. 5 Setting mode (08)

The following items can be set or changed in this mode 08.

Operation

procedure

group

Allowable

Code

Name

Default

–

Contents

input value

200 Date and time setting

201 Destination selection

13 digits Year/month/date/day/hour/minute/second

Example: 99:08:07:5:11:30:48

0-3:FC15/22 0: Europe (A4/A3/Folio)

1: USA/Canada (Letter/Ledger)

0-1:FC25P 2: Japan (A4/B4) 3:Others

202

0-3

0: No external copy counter/controller de-

vice 1: Coin controller 2: Copy key card

3: Key copy counter

Externally installed copy counter/

controller device

204 Auto clear time setting

3:FC22

0-10

Time-out for cleaning control panel settings

and returning to the default settings.

0: Disabled

0:FC25P

1 to 10: Set number x 15 second

205 Energy saver timer setting

0-15: FC15/22 Timer for switching from Ready mode to

0-19:FC25P Energy Saver selected code 618.

0: Disabled 1: 30sec. 2: 60sec.

3: 90sec. 4: 120sec. 5: 150sec.

6: 3min 7: 4min 8: 5min 9: 7min

10: 10min 11: 15min 12: 20min

13: 30min 14: 45min 15: 60min

16: 90min 17: 120min

18: 180min 19: 240min

206 Auto-power shut off setting

0-20

Timer for switching from Ready mode to

Auto-Power Shut OFF. US Energy Star

Compliance

0: 3min 1: 5min 2: 10min 3: 15min

4: 20min 5: 25min 6: 30min

7: 40min 8: 50min 9: 60min

10: 70min 11: 80min 12: 90min

13: 100min 14: 110min 15: 120min

16: 150min 17: 180min 18: 210min

19: 240min 20: Disabled

January 2000 © TOSHIBA TEC

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FC-22 ADJUSTMENT

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Operation

procedure

group

Allowable

input value

Code

209

Name

Default

Contents

Timer for Print job start up time

from copy mode when auto-clear

is disabled

1-10

Set number x 15 seconds

212 Bypass paper default type

0: Plain paper;

2: A3 wide;

1: OHP;

3: Thick paper 1;

5: Thick paper 3

4: Thick paper 2;

217 Cassette loading status

0~15

1: 1st and 2nd cassette

2: 1st, 2nd, 3rd cassette

3: 1st, 2nd, 3rd, 4th cassette

4: 1st cassette (Auto cassette detection is

not available)

5: 1st cassette (Auto cassette detection is

available)

15: Auto cassette detection

6, 5~14: Change value to "3" forcibly.

(1st, 2nd, 3rd, 4th cassette)

0: Language 1

220 Message language selection

0-2

0-1

1: Language 2

2: Language 3

222

0: Disabled 1:Enabled

All clearing by key copy counter

removal

224 Judgement setting during

DF-ACS

0: Always full color; 1: Detection for each

original

250 Telephone number for “Call for

service”

14 digits A telephone number up to 14 digits can be

entered. Use the HELP key to enter hy-

phens (–).

–

253 Error code history display.

256 LCF paper size

–

0-1

0: A4 1: LT

258 FSMS functinon

0: impossible

1: possible

259 Large size setting

0: A3, LD, A3W, unspecified bypass ->

Large size

0-1

1: A3, LD, A3W, B4, LG, FOLIO, COMP,

unspecified bypass -> Large size

260 STR history indication

267 C9B error code history display

–

268 Black display/white display

switching

0: Black; 1: White

FC-22 ADJUSTMENT

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Operation

procedure

group

Allowable

input value

Code

269

Name

Default

Contents

Forced performing of image quality

control before the use-level calibration

0-1

0: Disabled

1: Enabled

Maximum number of copies

allowed

300

302

0-2

0-3

0:999 1:99 2:9

UC: 0

0: Off 1: Resettable Copy counter

2: Resettable Original counter

Resettable Copy and Original

counter display

EUR: 3

3: Resettable Copy and Original counters

350 Manually placed original

detection

0: Not present;

1: Present

352 Shooting correction process

setting

0: Valid;

2: Invalid

353 SALT log table setting

0: Normal operation;

1: Forced setting on log table

(for ACS/full color);

2: Forced setting on log table

(for single color/monochrome);

3: Forced setting on log table (for CCV)

0: Normal operation;

354 HDEN control

1: HDEN control operation

355 Sharpness availability setting

0: Unavailable;

1: Available

360

0-1

RADF reversing of transport belt during

original transporting, to align originals

against the original scale.

Switch back

0: Disabled 1: Enabled

361

When non-standard originals are used;

0: Non-standard - Machine will stop and

prompt operator to select copy size.

1: Standard - Machine continues the cur-

rent job without stopping

RADF

Non-standard size original

detection

400 Image quality control 1

0-1

Auto-performing of image quality control

0: Disabled

1: Enabled (Performing 08-410,413)

January 2000 © TOSHIBA TEC

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FC-22 ADJUSTMENT

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Operation

procedure

group

Allowable

input value

Code

407

Name

Default

Contents

Image quality control auto-start

(continuous print)

0-1

When operating continuous printing, image

quality control is started for every print vol-

ume set for continuos print (08-453).

0: Disabled

1: Enabled (Set value of 08-453)

When the accumulated print volume since

the last image quality control, set in 08-

455, is attained, new image quality control

automatically starts after the current print-

ing job.

408

0-1

Image quality control auto-start

(accumulated print volume)

0: Disabled

1: Enabled (Setting value of 08-455)

Auto-performing of image quality control

0: Disabled

409 Image quality control 3

0-1

1: Enabled (Performing 08-410,413)

Performing drum temperature compensa-

tion for image quality control.

0: Disabled 1: Enabled

Drum temperature compensation

control

410

413

*When‘Image quality controls 1 and 3 (08-

400,409)’are 1(Enabled), this is reflected.

Performing transfer bias correction by tem-

perature and humidity for image quality

control.

Transfer bias temperature and

humidity correction control

0-1

0: Disabled 1: Enabled

*When‘Image quality controls 1 and 3 (08-

400,409)’are 1(Enabled), this is reflected.

Accumulated total of CE1, CE2, CE4

(Max.16)

415

416

417

0-16

Abnormal detection counter Y

(display/0 clearing)

* Enabled when ‘Image quality control 3

(08-401)’ is 1(Enabled).

Accumulated total of CE1, CE2, CE4

(Max.16)

Abnormal detection counter M

(display/0 clearing)

* Enabled when ‘Image quality control 3

(08-401)’ is 1 (Enabled).

Accumulated total of CE1, CE2, CE4

(Max.16)

Abnormal detection counter C

(display/0 clearing)

* Enabled when ‘Image quality control 3

(08-401)’ is 1 (Enabled).

January 2000 © TOSHIBA TEC

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FC-22 ADJUSTMENT

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Operation

procedure

group

Allowable

input value

Code

Name

Default

Contents

418 Abnormal detection counter K

(display/0 clearing)

0-16

Accumulated total of CE1, CE2, CE4

(Max.16)

* Enabled when ‘Image quality control 3

(08-401)’ is 1 (Enabled).

452 Image quality control auto-start

time setting (ready)

0-24

Setting time (hour) of Image quality con-

trol auto-start (ready)

453 Image quality control auto-start

print volume setting (continuous

printing)

300

0-999 Setting print volume (number of sheets) to

automatically start Image quality control

(continuous printing)

Image quality control auto-start

print volume setting (accumu-

lated print volume)

455

0-30

Setting print volume (x 100 sheets) to au-

tomatically start Image quality control (ac-

cumulated print volume)

480 Paper source priority

0-5

0: A4/LT 1: LCF 2: 1st cassette

3: 2nd cassette 4: 3rd cassette

5: 4th cassette

481 Automatic paper source change

0-1

0: OFF 1:Normal

When 1 is set, a paper source becomes

empty and the same size paper is present

in another source, the machine will auto-

matically switch to that source of paper.

Setting of pre-running rotation of polygo-

nal motor

Pre-running rotation of polygonal

motor

485

0-1

0:Low speed rotation (Pre-running rotation)

1: Stop

491 Out of specified paper size printing

0-1

0: Disabled

1: Enabled

505 Paper (plain paper, OHP, thick

paper).

0: Compatible paper not present;

1: Compatible paper present

Switched according to image

processing

507 Filter setting selection in Fiery

scanning

0-1

0: non-filter mode (OFF)

1: filter mode (ON)

558 Start setting of developer

material counter image quality

control

0: Disabled

1: Image quality control is started on

each setting counter (08-559).

559 Start count setting of developer

material counter image quality

control

100

0-999 Image quality control start count is set

when (08-558) is used

FC-22 ADJUSTMENT

1 - 36

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Operation

procedure

group

Allowable

input value

Code

Name

Default

Contents

601 Secondary scanning

0: 100%; 1: 101%

reproduction ratio adjustment

603 Automatic duplexing mode

0-3

0-2

0: Disabled

1: Single-sided to Duplexed

2: Two-sided to Duplexed

3: User selection

604 APS (Automatic Paper Selection)

AMS (Automatic Magnification

Selection)

0: APS mode 1: AMS mode 2: None

Mode priority at power on

605 SAPS mode

0: All originals detected;

1 First original only

606 Edge erase default setting

0: Invalid;

1: Valid

January 2000 © TOSHIBA TEC

1 - 36 -1

FC-22 ADJUSTMENT

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Operation

procedure

group

Allowable

input value

Code

Name

Default

Contents

607 RADF priority mode

0-1

0: Continuous feeding by START key

1:SADF (Automatic feeding by setting originals)

0: Invalid; 1: Valid

608 Function clearing immediately

after copying

611 Book duplexing copy priority

(left/right page)

0-1

0: Left page to right page

1: Right page to left page

612 Image repeat gap

613 Universal cassette size

0-10mm

0-13

0: A3 1: A4 2: A4-R 3: A5-R 4: B4

5: B5 6: B5-R 7: LT 8: LT-R 9: LD

10: LG 11: ST 12: COMPUTER

13: FOLIO

UC:12

EUR:13

614 Function clearing LED flashing

615 Free size definition X

0: Invalid; 1: Valid

210

0 – 432 0: Invalid; Other than

not used 0: Valid

616 Free size definition Y

297

0 – 307 0: Invalid; Other than

not used 0: Valid

617 RADF image shifting

618 Energy saver mode

0-1

0: Without shift 1: With shift

0: Energy saver mode with priority aim of

energy saving (Refer to 08-712)

1: Energy saver mode with priority aim of

returning to copying (Refer to 08-713)

619 Initial value setting of center void

width

0-50

0-2

620 APS forced start setting /selection

0: Single press of key

1: Double press of key 2: Disabled

0 – 2 mm (unit: 0.1)

624 Cut width for all-area copying

625 Blank paper prevention mode

628 Macro recognition function

629 Macro recognition function

during ADF

0: Invalid;

1: Valid

630 Automatic bypass-tray/cassette change

631 Color release control for DF-ACS

0-1

0-2

0: Disabled 1: Enabled

0: Service technician

Gradation correction disclosure

level

632

1: Administrator 2: User

633 By-department control: Black

copies free

0: Invalid;

1: Valid

634 Initial value setting of image re-

peat frequency

2-8

0-1

635 RADF mixed size original priority

0:Same originai size 1:Mixed original size

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Operation

procedure

group

Allowable

input value

Code

Name

Default

Contents

636 APS thick paper compatibility

0:Plain paper;

2: Mixed

1: Thick paper;

Automatic sorting mode priority

from the RADF

641

642

0-3

0: OFF 1: STAPLE 2: SORT

3: GROUP

Sorter mode priority at power ON

(for AC)

0: NON SORT 1: STAPLE 2: SORT

3: GROUP

649 Monochrome copying when

empty of color toner

0: Prohibited;

1: Allowed

653 Machine administrator’s password

655 Off-level setting for auto off-mode

656 Execution mode for self

diagnostic image processing

0000 0000-9999

0: Power shutoff; 1: Low power

0 – 255 0: Normal;

1: Pulse;

3: Scanner correction 8 color conversion;

16: Other

2: γ;

664 Switching of aging ADF operation

668 All clearing of ID codes

669 All clearing of image processing

05 adjustment values

0: Single-side; 1: Both-side

670 All clearing of halfway results

of color conversion

671 All clearing of pulse width

selection adjustment results

672 All clearing of γ correction

table adjustment results

678 Mode memory initialization

679 Weekly timer initialization

681 Support for cascading exit

682 (Auto job start: Magazine-sort

setting)

0~1

0: Invalid;

1: Valid

0: Left-hand opening;

1: Right-hand opening

700 Fuser thermistor status counter

(C7 counter)

0-9

2: 2nd-time abnormality of thermistor/

heater at warming-up start

3: Unused 6: Thermistor abnormal after

“ready” is attained.

9: Heater abnormal after “ready” is

attained (high temp.)

712 Upper and lower fuser roller tem-

perature for energy saver mode

with priority aim of energy

saving

0-6

0: OFF 1: 60°C 2: 70°C 3: 80°C

4: 115°C 5: 125°C 6: 135°C

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FC-22 ADJUSTMENT

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Operation

procedure

group

Allowable

input value

Code

Name

Default

Contents

713 Upper and lower fuser roller tem-

perature for energy saver mode

with priority aim of returning to

copying

0-6

0:OFF 1:60°C 2:70°C

3:80°C 4:115°C 5:125°C 6:135°C

742 Color registration control

743

0-1

0: Automatic 1: Manual

0: Disabled 1: Enabled

801 Electronic total copy/print counter

0-999999 Electronic counter counts all copies and

prints including all test mode copies.

* The mechanical counter only counts the

customers’copies and prints, not test mode

copies or prints.

✽

Color registration control for

warming-up

802 Large paper size double count

0-2

0: Disabled

1: Double count - A3, LD, A3 wide

2:Double count - A3, LD, A3 wide, B4, LG,

FOLIO, COMP

803 Short-size counter (postcard -A4/LT)

804 Long-size counter (B4 - A3 wide)

805 Full-color print counter (Copier)

0-999999 Display of counter value

0-999999 Display of counter value (Code 08-802 is

reflected)

✽

806 Black print counter (Copier)

807 Mono-color print counter (Copier)

808 Bypass counter

0-999999 Display of counter value (Code 08-802 is

reflected)

0-999999 Display of counter value (Code 08-802 is

reflected)

0-999999 Display of counter value (Single count for

every paper size)

809 LCF counter

0-999999 Display of counter value (Single count for

every paper size)

810 Full-color print counter (Printer)

811 Black print counter (Printer)

812 Mono-color print counter (Printer)

813 Test print counter

0-999999 Display of counter value (Code 08-802 is

reflected)

✽

0-999999 Display of counter value (Code 08-802 is

reflected)

0-999999 Display of counter value (Code 08-802 is

reflected)

0-999999 In case of Test print, only this counter is

counted.Display of counter value

0-999999 Display of counter value (Single count for

every paper size)

814 Single-sided print counter

✽ Refer to "Counter function and maintenance chacke list"

FC-22 ADJUSTMENT

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Operation

procedure

group

Allowable

input value

Code

Name

Default

Contents

815 Duplexed print counter

0-999999 Display of counter value (Single count for

every paper size)

817 Bypass jam counter

0-999999 Accumulated total of E12

0-999999 Jam on paper trailing edge by registration

roller

818 Registration jam counter

820 Paper exit jam counter

822 ADU counter

0-999999 Accumulated total of E01, E02

0-999999 ADU feed counter

Display of counter value (Single count for

every paper size)

824 RADF original counter

0-999999 RADF feed counter

Display of counter value (Single count for

every paper size)

825 LCF jam counter

0-999999 Accumulated total of E19, E21

0-999999 Accumulated total of E11, E54

0-999999 Accumulated total of E50, E51, E52

826 ADU paper-feed jam counter

827 ADU stack jam counter

831 Key copy counter function

832 1st cassette counter

0-3

1: PPC 2: Printer 3: PPC/Printer

0-999999 Paper feed counter of 1st cassette

Display of counter value (Single count for

every paper size)

833 2nd cassette counter

834 3rd cassette counter

835 4th cassette counter

0-999999 Paper feed counter of 2nd cassette

Display of counter value (Single count for

every paper size)

0-999999 Paper feed counter of 3rd cassette

Display of counter value (Single count for

every paper size)

0-999999 Paper feed counter of 4th cassette

Display of counter value (Single count for

every paper size)

836 1st cassette jam counter

837 2nd cassette jam counter

838 3rd cassette jam counter

839 4th cassette jam counter

0-999999 Accumulated total of E13, E22

0-999999 Accumulated total of E14, E23

0-999999 Accumulated total of E15, E24

0-999999 Accumulated total of E16, E25

0-65535 Number of printed sheets

Display of counter value (Code 08-858 is

reflected)/0 clearing

Drum Y life counter (display/0

clearing)

840

✽

Drum M life counter (display/0

clearing)

841

0-65535 Number of printed sheets

Display of counter value (Code 08-858 is

reflected)/0 clearing

✽ Refer to "Counter function and maintenance chacke list"

January 2000 © TOSHIBA TEC

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FC-22 ADJUSTMENT

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Operation

procedure

group

Allowable

input value

Code

Name

Default

Contents

✽

842 Drum C life counter (display/0

clearing)

0-65535 Number of printed sheets

Display of counter value (Code 08-858 is

reflected)/0 clearing

Drum K life counter (display/0

843

0-65535 Number of printed sheets

clearing)

Display of counter value (Code 08-858 is

reflected)/0 clearing

Developer Y counter (display/0

clearing)

844

0-999999 Number of printed sheets

Display of counter value (Code 08-858 is

reflected)/0 clearing

Developer M counter (display/0

clearing)

✽ 845

0-999999 Number of printed sheets

Display of counter value (Code 08-858 is

reflected)/0 clearing

✽

Developer C counter (display/0

clearing)

846

0-999999 Number of printed sheets

Display of counter value (Code 08-858 is

reflected)/0 clearing

Developer K counter (display/0

clearing)

847

0-999999 Number of printed sheets

✽

Display of counter value (Code 08-858 is

reflected)/0 clearing

0-65535 Frequency that Y, M and C wire cleaning

pads reciprocate

851

852

853

✽

“Color” charger wire cleaner

counter (display/0 clearing)

“Black” charger wire cleaner (dis-

play/0 clearing)

0-65535 Frequency that K wire cleaning pad recip-

rocates

0-999999 Number of printed sheets

Display of counter value (Code 08-858 is

reflected)/0 clearing

Transfer-belt unit counter (dis-

play/0 clearing)

✽

854

855

856

0-999999 Number of printed sheets

Display of counter value (Code 08-858 is

reflected)/0 clearing

Fuser unit counter (display/0

clearing)

0-999999 Number of printed sheets

Display of counter value (Code 08-858 is

reflected)/0 clearing

Fuser oil-roller counter (display/

0 clearing)

✽

0-999999 Rotation time of fuser motor (sec.)

Display of counter value/0 clearing

0-999999 Counter value (number or sheets)

Fuser oil-roller time counter (dis-

play/0 clearing)

✽ 857 Counter setting for PM

✽

858 OHP/thick-paper double count

0-1

0: Disabled:

Double count - A3 wide, A3, LD, B4, LG, FOLIO, COMP

1: Enabled:

Quadruple count - A3 wide, A3, LD, B4, LG, FOLIO, COMP

Double count - A4, A4-R, LT, LT-R, B5, B5-R, ST-R, A5, A6-R

✽ Refer to "Counter function and maintenance chacke list"

FC-22 ADJUSTMENT

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Operation

procedure

group

Allowable

input value

Code

Name

Default

Contents

867 Drum Y drive counter (display/0

clearing)

0-999999 Rotation time ofY drum drive motor (sec.)

✽

Display of counter value/0 clearing

868 Drum M drive counter (display/0

clearing)

0-999999 Rotation time of M drum drive motor (sec.)

Display of counter value/0 clearing

869 Drum C drive counter (display/0

clearing)

0-999999 Rotation time of C drum drive motor (sec.)

Display of counter value/0 clearing

Drum K drive counter (display/0

clearing)

870

0-999999 Rotation time of K drum drive motor (sec.)

Display of counter value/0 clearing

Developer Y time counter (dis-

play/0 clearing)

871

0-999999 Rotation time of color development motor

(sec.)

Display of counter value/0 clearing

Developer M time counter (dis-

play/0 clearing)

✽

872

0-999999 Rotation time of color development motor

(sec.)

Display of counter value/0 clearing

873 Developer C time counter (dis-

play/0 clearing)

0-999999 Rotation time of color development motor

(sec.)

Display of counter value/0 clearing

Developer K time counter (dis-

play/0 clearing)

874

0-999999 Rotation time of black development motor

(sec.)

Display of counter value/0 clearing

0 – 999999

876 Full color, large size copy counter

877 Full color, small size copy counter

878 Black, large size copy counter

879 Black, small size copy counter

880 Mono-color, large size copy counter

881 Mono-color, small size copy counter

0 – 999999

882

Printer

Full-color Long size

Short size

0 – 999999

883 counter

0 – 999999

884 (Printer) Black

885

Long size

Short size

0 – 999999

888 Long size setting of Setting code

(08-876~885)

1 – 2

1: A3, LD, A3W

2: A3, LD, A3W, B4, LG, FOLIO, COMP

892 Current counter value for PM

(display/0 clearing)

0-999999 Total number of sheets (Copier+printer) for

life related (double count)

✽

Display of counter value (Code 08-858 are

reflected.)/0 clearing

✽ Refer to "Counter function and maintenance check list"

January 2000 © TOSHIBA TEC

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FC-22 ADJUSTMENT

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Operation

procedure

group

Allowable

input value

Code

Name

Default

Contents

✽

894 Drum drive total counter for color

PM time counter (display/0 clear-

ing)

0-999999999 Rotation time(sec.) of Y, M and C drum

drive motor

Display of counter value/0 clearing

0-999999 Number of color printed sheets

Display of counter value (Code 08-858 are

reflected.)/0 clearing

896

Current counter value for color

PM (display/0 clearing)

✽

897 Counter setting for color PM

898 Drum drive total counter for PM

life-time counter (display/0 clear-

ing)

0-999999 Counter value (number of sheets)

0-999999999 Rotation time(sec.) of K drum drive motor

Display of counter value/0 clearing

900 Firmware version (Basic part ROM)

902 Engine ROM version (LGC)

903 Engine ROM version (IMC)

904 SCAN ROM version

–

906 Macro recognition, control version

917 Waiting time for requesting

scanner resource acquisition

918 Auto clearing if no copy paper is

available during MFP

0: Invalid; 1 – 9: Set value x 5 seconds

When no

0: Does not start; 1: Starts

copy paper is

available,

0: Invalid;

1: Valid

printing:

919 Automatic printer restart during

auto job start

956 Setting FC key when default

cassette is empty of paper

0: Invalid;

1: Valid

957 Position aligning icon displaying

958 Time setting icon displaying

961 Scanning order in dual-page

copying

0: Invalid;

1: Valid

0: From right; 1: From left

997 Long/Short size counter

–

List display of Money collection counter

(08-876~885)

✽ Refer to "Counter function and maintenance check list"

January 2000 © TOSHIBA TEC

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Group 1

SET or INTERRUPT

(Stored in memory)

POWER OFF/ON

(Exit)

START

(Code)

(Set a value)

CLEAR

POWER

CANCEL or

(For correction)

Group 2

SET or INTERRUPT

(Changing the value is not allowed)

START

POWER OFF/ON

(Code)

POWER

(Exit)

Group 3

START

POWER OFF/ON

(Exit)

(Code)

(System mode display)

POWER

FC-22 ADJUSTMENT

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1. 2. 6 Registering/changing ID codes

When ID codes are registered, copy count will be classified according to each ID code. Copies cannot

be made without entering one of the ID codes registered with digital keys.

Procedure for using the ID code mode:

SET

POWER OFF

600

START

(Dept. control)

POWER

Procedure for registering ID codes:

START

display

Enter a 4-digit ID code.

(Example: 0525)

POWER

ENERGY SAVER (registered)

[0525

]

[

Full color

Black

Mono-color

Total

ENERGY SAVER (registered)

display

(Up to 120 ID codes can be registered)

(Input a next code)

Warming up

Normal copy mode

START

(ID registration mode completed)

January 2000 © TOSHIBA TEC

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Correcting ID code

START

[0525

[

]

POWER

Erasing an ID code:

CLEAR

ENERGY SAVER (registered)

display

Displaying the next ID code:

(Next ID code displayed)

Adding an ID code

(Input an ID code)

ENERGY SAVER (registered)

While

displayed

Changing the “full-color” counter:

HELP

(Input a counter value.)

ENERGY SAVER (registered)

Changing the “black” counter:

Press HELP twice

(Input a counter value)

ENERGY SAVER (registered)

Changing the “mono-color” counter:

Press HELP 3 times

(Input a counter value)

ENERGY SAVER (registered)

To finish the registration mode and return to normal copy mode:

START

Warming up

Normal copy mode

FC-22 ADJUSTMENT

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1.3 Adjustment Order (Copy Image Related Adjustment)

The diagram below explains the main procedures for image related adjustment.

When replacing components which have other specified instructions for adjustment, those specified

instructions are to be obeyed in priority.

In the following diagram, the solid lines with arrow lead to essential ajustments, while the dotted lines

lead to adjustments to be performed if necessary.

Parts to be replaced

Developer material

Processing unit (EPU)

Drum

Transfer/transport unit

Transfer belt

Main charger wire

Main charger grid

▼

Adjustment item

Code in mode 05

200-204, 221

1.4 Automatic adjustment of the auto-

toner circuit

▼

Adjustment item

Code in mode 05

879

1.5 Automatic initialization of image

quality control

▼

Copy image dimensional adjustment

Items

Adjustment

order

Code in

mode 05

439 - 452

406

1.6.1 Paper alignment (paper buckle) at the main registration roller

1.6.2 Feed motor speed adjustment

1.6.3

Printer

(a) Reproduction ratio adjustment of primary scanning direction

(b) Primary-scanning data write start position adjustment

400

470

adjustment

(d) Secondary-scanning data write start position adjustment

474

(Fine adjustment of feed motor rotation speed)*

404

(a) Image distortion adjustment

–

482

104

106, 108

484 - 490

105

427

428

1.6.4

(b) Image skewing adjustment

Scanner

adjustment

(d) Scanner copy length reproduction ratio adjustment

(e) CCD primary scanning start position deviation

(f) Secondary-scanning data write start position adjustment (Copier)

(g) Scanner (secondary scanning) start position deviation

(h) Right margin (Printed page right edge void adjustment)

(i) Bottom margin (Printed page trailing edge void adjustment)

* “Fine adjustment of feed motor rotation speed”

should be adjusted after printer related adjustment.

▼

Adjustment item

Code in mode 05

643

1.7 Automatic adjustment of gamma correction

▼

Image quality adjustment

Items

Code in mode 05

550 - 589

779 - 789

698 - 717

675

1.8 Density adjustment

1.9 Color balance adjustment

1.10 Offset amount for processing background

1.11 Judgement threshold for ACS

1.12 AI mode setting

678, 682

730 - 745

1.13 Sharpness adjustment

▼

END

January 2000 © TOSHIBA TEC

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1. 4 Automatic Adjustment of the Auto-Toner Circuit

With this copier, the filling and removing of developer material is automatically performed by opera-

tion from the control panel. In addition, the auto-toner sensor is automatically adjusted successively

after the automatic filling of developer material.

Note: At the time of unpacking, if developer material is not filled, the steps (3) and (4) below do not need

to be performed.

(1) Remove the toner cartridges.

(2) While pressing [0] and [5] simultaneously, turn the power ON.The following appears on the display:

100%

[0] [5]

ৎ

TEST MODE

[POWER]

(3) Input a code with digital keys and press the [START] key.ৎThe developer material is removed.

Code 390 : All developer materials are removed (developer materials Y, M, C and K).

391 : All color developer materials are removed (developer materials Y, M and C).

392 : Only developer material K is removed.

(4) After all developer materials are removed, press the [INTERRUPT] key.

Time required for removing All developer materials

Color developer materials only : Approx. 6 min.

Developer material K only : Approx. 3 min.

: Approx.10 min.

(5) Open the front cover, install the developer cartridge(s) and then close the cover.

* When installing or uninstalling the developer cartridge(s), it is necessary to open and close the

front cover.

(6) Input a code with digital keys and press the [START] key.

Code 200 : All developer materials

204 : Developer material K only

221 : Color developer materials only

100%

200

(Code) ৎ [START]

ৎ

TEST MODE

FC-22 ADJUSTMENT

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(7) When the copier starts operating, a message “WAIT” is shown and the developer material filling

starts (approx. 2 minutes and 30 seconds).

WAIT

(8) Approx. 2 minutes after the developer material filling is finished, the following display appears:

Ꭾ

Ꭿ

Ꭽ

ৎ

Y:6.30V M:6.38V C:6.38V K:6.38V

61%

Y:4.00V M:4.00V C:4.00V K:4.00V

Upper line Ꭾ : Current sensor voltages (V)

Middle line Ꭿ : Humidity (%)

Lower line Ꭽ :Target values (V) for adjustment reference voltages

Note:

• The current sensor voltages (V) shown in Ꭾ automatically changes, gradually approaching the target values

for adjustment reference voltages shown in Ꭽ.

• Values are displayed only for the developer materials being filled.

(9) In 30 to 60 seconds, the current sensor voltages (V) in Ꭾ are converged to those in Ꭽ.The humidity

shown in Ꭿ disappears, and the sensor output control values (bit values) are shown instead.

Ꭾ

Ꭿ

Ꭽ

ৎ

Y:4.00V M:4.00V C:4.00V K:4.00V

Y: 135 M: 135 C: 135 K: 135

Y:4.00V M:4.00V C:4.00V K:4.00V

Note: Be careful that the values in Ꭽ, Ꭾ and Ꭿ vary with humidity.

Ꭽ : Target value (V) for adjustment reference voltage

Humidity (%)

~59.9

4.00

4.14

4.35

4.00

4.14

4.35

4.00

4.14

4.35

4.00

4.12

4.31

60.0~74.9

75.0~

January 2000 © TOSHIBA TEC

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FC-22 ADJUSTMENT

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Ꭾ : Current sensor voltage (V)

Humidity (%)

~59.9

3.95~4.05 3.95~4.05 3.95~4.05 3.95~4.05

4.09~4.19 4.09~4.19 4.09~4.19 4.07~4.17

4.30~4.40 4.30~4.40 4.30~4.40 4.26~4.36

60.0~74.9

75.0~

(10) If an adjustment error occurs, values of the color in problem displayed in A, B or C are replaced with

^“***^”.

As for properly adjusted colors, press the [INTERRUPT] key to store their adjustment results in

memory.

(11) Press the [INTERRUPT] key to store the adjustment results in memory. The screen returns to the

initial display.

100%

[INTERRUPT]

ৎ

TEST MODE

(12) Remove the developer cartridge(s).

(13) Install the toner cartridge(s).

FC-22 ADJUSTMENT

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<Troubleshooting in auto-toner sensor adjustment> (measures against adjustment error)

Check which color is in adjustment error.

Ꭹ

Is the developer unit filled with developer material? (Is the developer cartridge empty?)

ৎ

(1) Check if the shutter seal is removed from the developer cartridge.

(2) Check the toner motor performance, using the following test mode.

Y: 03-110 ON, 03-160 OFF

M: 03-111 ON, 03-161 OFF

C: 03-112 ON, 03-162 OFF

YES

K: 03-113 ON, 03-163 OFF

(3) Check if the developer cartridge gears rotate properly.

Ꭹ

As for the colors completely adjusted, press [INTERRUPT] to store their adjustment results in memory.

Perform again the adjustment procedure to the color in adjustment error.

05-200: All developers

05-202: Developer M

05-204: Developer K

05-201: Developer Y

05-203: Developer C

05-221: Color developers

Ꭹ

Is the adjustment completed?

ৎ

(1) Check if the developer unit is filled with developer material.

(2) Check if any toner or carrier is stuck on the transfer belt or the drum surface at the base of EPU.

ৎ

• Check the high-voltage contacts.

• Main charger wire

• Main charger grid

• Developer bias

Ꭹ

YES

Replace disabled parts.

Replace EPU.

YES

Ꭹ

Perform the adjustment procedure again.

Ꭹ

Press [INTERRUPT] to store the adjustment results in memory.

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1.5 Automatic Initialization of Image Quality Control

(1) At the time of unpacking

Prior to copy-image dimensional adjustment, perform the 05-879 “Automatic initialization of image

quality control” procedure.

(2) When any of the following parts is replaced, be sure to perform the 05-879 “Automatic initialization

of image quality control” procedure.

• Processing unit

• Laser optical unit

• Transfer belt unit

• Photoconductive drum

• Developer material

• Image quality sensor

Note: When performing automatic adjustment of gamma correction in addition, “Automatic initialization of

image quality control” should be done first.

(3) When performing automatic adjustment of gamma correction in cases other than the above ones,

do the 05-878 “Forced performing of image quality control” procedure before automatic gamma

value correction.

Code

878

Adjustment item

Forced performing of

image quality control

Content

(1) While pressing [0] and [5] simultaneously, turn the power ON. ৎ

Adjustment mode

(2) Input [878] with digital keys and press [START].

(3) When the adjustment finishes normally, the copier will return to

the adjustment mode’s initial state.

If an abnormal condition has occurred, take appropriate action by

referring to “4. TROUBLESHOOTING”.

879

Automatic initialization of

image quality control

(1) While pressing [0] and [5] simultaneously, turn the power ON. ৎ

Adjustment mode

(2) Input [879] with digital keys and press [START].

(3) When the adjustment finishes normally, the copier will return to

the adjustment mode’s initial state.

If an abnormal condition has occurred, take appropriate action by

referring to “4. TROUBLESHOOTING”.

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1. 6 Copy Image Dimensional Adjustment

There are several adjustment items in the copy image dimensional adjustment, as listed below. Prior

to this image dimensional adjustment, perform the automatic initialization of image quality control

(code [879] in adjustment mode 05). When adjusting these items, the following adjustment order

should strictly be observed.

Adjustment items

ᕃ Paper alignment (paper buckle) at the main registration roller

ᕄ Feed motor speed adjustment

Code in mode 05

439 – 452

406

(a) Reproduction ratio adjustment of primary scanning direction

(Fine-adjustment of polygonal motor rotation speed)

(b) Primary-scanning data write start position adjustment

(Fine-adjustment of transfer belt motor rotation speed)

(d) Secondary-scanning data write start position adjustment

(ᕆ Fine adjustment of feed motor rotation speed)*

(a) Image distortion adjustment

400

470

401

474

404

–

(b) Image skewing adjustment

–

(d) Scanner copy length reproduction ratio adjustment

(e) CCD primary-scanning start position deviation

(f) Secondary scanning data write start position adjustment (Copier)

(g) Scanner (secondary scanning) start position deviation

482

104

106, 108

484 – 490

105

Scrladjusment

(h) Right margin (Printed page right edge void adjustment)

(i) Bottom margin (Printed page trailing edge void adjustment

427

428

* “Fine adjustment of feed motor rotation speed” should be adjusted after printer related adjustment.

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[Procedure for inputting adjustment values]

In accordance with the procedure described below, make adjustment of each adjustment item so that

the measured values obtained from test copies satisfy the specification. By pressing the [ENERGY

SAVER] key, immediately after starting the adjustment mode “05”, single-sided test copying can be

performed (normal copy mode).

Varies with the code “XXX” entered with digital keys.

100%

TEST MODE

POWER

Code No.

Digital keys : Input codes.

100%

XXX

START

TEST MODE

Digital keys : Input adjustment

values.

( CLEAR Use to make corrections)

YYY

ZZZ

Adjustment value newly input

(If no input, YYY is displayed.)

Current adjustment value

100%

SET

Value ZZZ is stored

replacing values YYY.

TEST MODE

INTERRUPT

ENERGY

SAVER

100%

Test copy

Wait Warming Up

START

If the test copy does not

satisfy the specified values,

return to the step 1 and

repeat the adjustment

procedure.

100%

COPYING

: Exit the adjustment mode.

Power OFF/ON

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1. 6. 1 Paper alignment (paper buckle) at the main registration roller

If the paper feed roller has prematurely become defective, it is possible to extend its service life, if

necessary, by increasing the aligning amount, as a temporary measure until a replacement becomes

available.

<Operation procedure> (Use codes 439 to 452 in adjustment mode “05”.)

Copier cassettes

ADU

Bypass

feeding

Thick

paper2

Thick

paper3

1st

2nd

3rd

4th

LCF

449

cassette cassette cassette cassette

Long size

Short size

439

440

441

442

443

444

445

446

447

448

450

451

452

(1)

Digital keys

(Input a new value.)

START

(Current value displayed)

Paper

POWER

source code

SET

INTERRUPT

ENERGY SAVER

START

(Select a paper source)

Power OFF/ON

(Test copy)

(Stored in memory)

(2) Check for any transfer void or“Z”fold.If a trans-

fer problem is present, try the values in de-

scending order as “31”→“30”→”29"··· until the

transfer void disappears. At the same time,

confirm that any paper jam has not occurred.

Also, when the aligning amount has been in-

creased, this may increase the scraping sound

which occurs when the paper scrapes on the

mylar sheet as it is transferred by the regis-

tration roller. If this scraping sound is irritat-

ing, try reducing the aligning amount.

Transfer void

“Z” fold

(3) Do the same for ADU, LCF, bypass feeding,

thick paper 2 and thick paper 3.

Note:

When paper thinner than specified is used, paper jams may occur frequently at the registration section. In this

case, it is advisable to change (or reduce) the aligning amount.

However, if the aligning amount is reduced too much, this could cause the leading edge void to vary adversely.

So, when adjusting the aligning amount, try to choose the appropriate amount while checking the leading edge

void at the same time.

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1.6.2 Feed motor speed adjustment

The paper transport speed of the registration roller vis-a-vis the image pirnt speed can be set to the

optimum value.

(1) While pressing the digital keys [0] and [5] simultaneously, turn the power ON. (Adjustment mode)

(2) Set five sheets of A4-R (LT-R) paper into the bypass tray.

(3) Input [10] and press the [SETTINGS] key to perform the continuous printing of five “adjustment

charts” from the bypass tray.

(4) Since the printed sheets of “adjustment charts” are slightly shrunk after being fused, it it required to

wait one or two minutes to cool them for precise adjustment. Then, set those five sheets again into

the bypass tray in the same print direction, with the chart face upward.

(5) Without changing the mode [05], enter [406] and press [START].

While the “adjustment chart” sheets are fed and transported, the pitches in the black belt zone are

read.

(6) The step (5) is to be repeated five times automatically.

The displayed set value does not change until the fourth printing round and at the finel fifth round, a

newly set value is displayed.

(7) When a newly set value for aligning is displayed at the fifth round, press the [INTERRUPT] key to

update the set value.

If ERROR is displayed at the second paper feeding, press the [CLEAR] key and return to the step

(2).

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1. 6. 3 Printer related adjustment

(a) Reproduction ratio adjustment of primary scanning direction (Fine adjustment of polygonal motor

rotation speed)

1. While pressing the digital keys [0] and [5] simultaneously, turn ON the power.→(Adjustment mode)

2. Press [1]→[SETTINGS]. (A grid pattern with 10 mm squares illustrated later is printed out. Use A3

(LD) from the 2nd cassette.)

3. Measure the distance A from the first grid line at the rear to the 21st of the grid pattern.

4. Check if the distance A is within 200 ± 0.5 mm or not.

5. If it is not, use the following procedure to change values and repeat the steps 2. to 4. above.

(Adjustment mode)→(Input code [400] with digital keys)→[START]

→(Input a value (acceptable values: 1209 to 1235) with digital keys)

→[SET] icon or [INTERRUPT] key (Stored in memory)

→(Input code [407] with digital keys)→[START]

→Color registration control forced performing

*The larger the adjustment value, the shorter the distance A becomes

(0.082 %/step = 0.164 mm/step).

(b) Primary-scanning data write start position adjustment

1. While pressing the digital keys [0] and [5] simultaneously, turn ON the power.→(Adjustment mode)

2. Press [1]→[SETTINGS]. (A grid pattern with 10 mm squares is printed out. Use A3 (LD) from the 2nd

cassette.)

3. Measure the distance B from the front edge of the paper to the 1st grid line from the front of the grid

pattern.

4. Check if the distance B is within 5 ± 0.5 mm or not.

5. If it is not, use the following procedure to change values and repeat the steps 2 to 4 above.

(Adjustment mode)→(Input code [470] with digital keys)→[START]

→(Input a value (acceptable values: 0 to 255) with digital keys)

→[SET] icon or [INTERRUPT] key (Stored in memory).

→(Input code [407] with digital keys)→[START]

→Color registration control forced performing

*The larger the adjustment value, the longer the distance B becomes

(0.0423 mm/step).

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tor rotation speed)

1. While pressing the digital keys [0] and [5] simultaneously, turn ON the power.→(Adjustment mode)

2. Press [1]→[SETTINGS]. (A grid pattern illustrated later is printed out. Use A3 (LD) from the 2nd

cassette.)

3. Measure the distance C from the 6th to 26th grid lines of the grid pattern.

4. Check if the distance C is within 200 ± 0.5 mm or not.

5. If it is not, use the following procedure to change values and repeat the steps 2 to 4 above.

(Adjustment mode)→(Input code [401] with digital keys)→[START]→(Input a value (ac-

ceptable values: 1327 to 1382) with digital keys)→[SET] icon or [INTERRUPT] key

(Stored in memory).→(Input code [407] with digital keys)→[START]→Color registration

control forced performing

*The larger the adjustment value, the shorter the distance C becomes (0.074 %/step =

0.15 mm/step).

(d) Secondary-scanning data write start position adjustment

1. While pressing the digital keys [0] and [5] simultaneously, turn ON the power.→(Adjustment mode)

2. Press [1]→[SETTINGS]. (The following grid pattern is printed out. Use A3 (LD) from the 2nd cassette.)

3. Measure the distance D from the leading edge of the paper to the 6th grid line of the grid pattern.

4. Check if the distance D is within 55 ± 0.5 mm or not.

5. If it is not, use the following procedure to change values and repeat the steps 2. to 4. above.

(Adjustment mode)→(Input code [474] with digital keys)→[START]→(Input a value (ac-

ceptable values: 0 to 15) with digital keys)→[SET] icon or [INTERRUPT] key (Stored in

memory).→(Input code [407] with digital keys)→[START]→Color registration control

forced performing

*The larger the adjustment value, the shorter the distance D becomes (0.6 mm/step).

Note: The reproduction ratio adjustment and the data write start position adjustment in the primary and

secondary scanning directions have a connection as shown below.

1. When [05-400] is adjusted, [05-401, 402, 403, 404 and 474] are automatically adjusted.

2. When [05-401] is adjusted, [05-402, 403, 404 and 474] are automatically adjusted.

3. When [05-406] is adjusted, [05-404] is automatically adjusted.

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[Grid pattern]

[0] [5] [power ON] ৎ [1] ৎ [SETTINGS] (2nd cassette, A3/LD)

A: 05-400 ৎ 200±0.5 mm (0.164 mm/step) ৎ 05-407

B: 05-470 ৎ

5±0.5 mm (0.042 mm/step) ৎ 05-407

C: 05-401 ৎ 200±0.5 mm (0.15 mm/step) ৎ 05-407

D: 05-474 ৎ 55±0.5 mm (0.6 mm/step)

ৎ 05-407

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1.6.4 Scanner related adjustment

(a) Image distortion adjustment

Note: The screws on the rear side of the mirrors 1 and 3 must not be adjusted.

Feeding direction

Step 1

Image

Feeding direction

Step 2

Remove the original glass and the left top cover,

and then move the carriage 1 toward the paper

exit side until it stops. Insert a plus type screw-

driver into the hole of the indicator unit and ad-

just the screws, following the step 1 to step 2.

Mirror-2

Step 1

In case of A:

Tighten the mirror-2 adjustment screw (CW).

→ Go to C

In case of B:

Loosen the mirror-2 adjustment screw (CCW).

→ Go to D

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Step 2

In case of C:

Tighten the mirror-1 adjustment screw (CW).

→ Normal image

In case of D:

Loosen the mirror-1 adjustment screw (CCW).

→ Normal image

Note: After the image distortion adjustment, when

the adjustment screws of the mirror 1 and 2

are turned, lock the adjustment screws us-

ing the screw locking agent “BOND-1324”.

Mirror-1

[Application Method of the Adhesive for the

Screw Locking]

(1) Adjust the image distortion.

(2) Remove the original glass and the indicator unit.

(3) Move the carriage 1 toward the paper exit side.

(4) Apply the adhesive (BOND-1324) to the adjust-

ment screws of carriage 1 and 2.

Note: Application Method

*Apply good quantity of the adhesive to the “Ap-

plication area”.

*The adhesive needs 12 hours to harden com-

pletely.

Application area

Carriage frame

(5) Confirm that there is no dust or stain on the mir-

ror 1, 2 or 3 or the shading correction plate.

(6) Install the indicator unit and the original glass.

Mirror

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(b) Image skewing adjustment

Feeding direction

Image

Feeding direction

Paper

If the copy image is tilted even when the original is

placed precisely against the original scale, adjust

the original scale to correct this problem.

When the image is tilted as in A:

• Adjust the original scale in the direction of the

arrow A

When the image is tilted as in B:

• Adjust the original scale in the direction of the

arrow B

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The following adjustments (c) to (i) should be conducted using Test Chart No.TCC-1. (Refer to page

1-64.)

1. While pressing the digital keys [0] and [5] simultaneously, turn the power ON. ৎ (Adjustment mode)

2. Place Test Chart No. TCC-1 on the original glass (with the arrow positioned at the left rear side).

3. Press [ENERGY SAVER] ৎ [START] to make a copy in the mode of A4 (LT), 100%, full color and text/

photo.

4. Measure the distance A between M1 and M2 on the copy with a ruler.

5. Check if the distance A is within a range of 200±0.5 mm or not.

6. If it is not, change values using the following procedure, and repeat the steps 3. to 5. above.

(Adjustment mode) ৎ (Input code [482] with digital keys) ৎ [START] ৎ (Input a value

(acceptable values : 0 to 255) with digital keys) ৎ [INTERRUPT] (Stored in memory)

(Input code [407] with digital keys) ৎ [START]ৎ Color registration control forced per-

forming

* The larger the adjustment value, the shorter the distance A becomes (0.2 mm/step).

(d) Scanner copy length reproduction ratio adjustment

1. While pressing the digital keys [0] and [5] simultaneously, turn the power ON. ৎ (Adjustment mode)

2. Place Test Chart No. TCC-1 on the original glass (with the arrow positioned at the left rear side).

3. Press [ENERGY SAVER] ৎ [START] to make a copy in the mode of A4 (LT), 100%, full color and text/

photo.

4. Measure the distance B between M3 and M4 on the copy with a ruler.

5. Check if the distance B is within a range of 150±0.5 mm or not.

6. If it is not, change values using the following procedure, and repeat steps 3. to 5. above.

(Adjustment mode) ৎ (Input code [104] with digital keys) ৎ [START] ৎ (Input a value

(acceptable values : 0 to 255) with digital keys) ৎ [INTERRUPT] (Stored in memory)

(Input code [407] with digital keys) ৎ [START]ৎ Color registration control forced per-

forming

* The larger the adjustment value, the longer the distance B becomes. (0.23 mm/step)

(e) CCD primary-scanning start position deviation

1. While pressing the digital keys [0] and [5] simultaneously, turn the power ON. ৎ (Adjustment mode)

2. Place Test Chart No. TCC-1 on the original glass (with the arrow positioned at the left rear side).

3. Press [ENERGY SAVER] ৎ [START] to make a copy in the mode of A4 (LT), 100%, full color and text/

photo.

4. Measure the distance C from the left edge of the paper to the left-edge mark (5 mm) on the copy with

a ruler.

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5. Check if the distance C is within a range of 5±0.5 mm or not.

6. If it is not, change values using the following procedure, and repeat the steps 3. to 5. above.

(Adjustment mode) ৎ (Input code [106] with digital keys) ৎ [START] ৎ (Input a value

(acceptable values : 5 to 251) with digital keys) ৎ [INTERRUPT] (Stored in memory)

* The larger the adjustment value, the shorter the distance C becomes (0.042 mm/

step).

7. When the distance C is within the acceptable range, perform the following procedure.

(Adjustment mode) ৎ (Input code [108] with digital keys) ৎ [START] ৎ (Input a setting

value with digital keys, deducting 47 from the value set in the code [106] adjustment

mode 05) ৎ [INTERRUPT] (Stored in memory)

(f) Secondary-scanning data write start position adjustment (Copier)

1. While pressing the digital keys [0] and [5] simultaneously, turn the power ON. ৎ (Adjustment mode)

2. Place Test Chart No. TCC-1 on the original glass (with the arrow positioned at the left rear side).

3. Press [ENERGY SAVER] ৎ [START] to make a copy in the mode of A4 (LT), 100%, full color and text/

photo.

4. Measure the distance D from the upper paper edge to the upper write-start position on the copy with

a ruler.

5. Check if the distance D is within a range of 5±0.5 mm or not.

6. If it is not, change values using the following procedure, and repeat the steps 3. to 5. above.

* This adjustment should be done for each of the cassettes.

The adjustment order is : 2nd cassette ৎ 1st cassette ৎ 3rd cassette ৎ 4th cassette ৎ Bypass

tray ৎ LCF ৎ ADU.

The adjustment code for each cassette is as follows:

1st cassette : 484

4th cassette : 487

2nd cassette : 485

Bypass tray : 488

3rd cassette : 486

LCF 489

ADU

: 490

(Adjustment mode) ৎ (Input a code [485 to 490] with digital keys) ৎ [START] ৎ (Input

a value (acceptable values : 0 to 15) with digital keys) ৎ [INTERRUPT] (Stored in

memory)

* The larger the adjustment value, the longer the distance D becomes (0.6 mm/step).

(g) Scanner (secondary scanning) start position deviation

1. While pressing the digital keys [0] and [5] simultaneously, turn the power ON. ৎ (Adjustment mode)

2. Place Test Chart No. TCC-1 on the original glass (with the arrow positioned at the left rear side).

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3. Press [ENERGY SAVER] ৎ [START] to make a copy in the mode of A4 (LT), 100%, full color and text/

photo.

4. Measure the distance E from the upper paper edge to the upper mark (10 mm) on the copy with a

ruler.

5. Check if the distance E is within a range of 10±0.5 mm or not.

6. If it is not, change values using the following procedure, and repeat the steps 3. to 5. above.

(Adjustment mode) ৎ (Input code [105] with digital keys) ৎ [START] ৎ (Input a value

(acceptable values : 128 to 135) with digital keys) ৎ [INTERRUPT] (Stored in memory)

* The larger the adjustment value, the longer the distance E becomes (0.12 mm/step).

(h) Right margin (Printed page right edge void adjustment)

1. While pressing the digital keys [0] and [5] simultaneously, turn the power ON. ৎ (Adjustment mode)

2. Place Test Chart No. TCC-1 on the original glass (with the arrow positioned at the left rear side).

3. Press [ENERGY SAVER] ৎ [START] to make a copy in the mode of A4 (LT), 100%, full color and text/

photo.

4. Measure the blank area F to the right of the copy image with a ruler.

5. Check if the blank area F is within a range of 2±0.5 mm or not.

6. If it is not, change values using the following procedure, and repeat the steps 3. to 5. above.

(Adjustment mode) ৎ (Input code [427] with digital keys) ৎ [START] ৎ (Input a value

(acceptable values : 0 to 255) with digital keys) ৎ [INTERRUPT] (Stored in memory)

* The larger the adjustment value, the larger the blank area becomes (0.042 mm/step).

(i) Bottom margin (Printed page trailing edge void adjustment)

1. While pressing the digital keys [0] and [5] simultaneously, turn the power ON. ৎ (Adjustment mode)

2. Place Test Chart No. TCC-1 on the original glass (with the arrow positioned at the left rear side).

3. Press [ENERGY SAVER] ৎ [START] to make a copy in the mode of A4 (LT), 100%, full color and text/

photo.

4. Measure the blank area G beneath the copy image with a ruler.

5. Check if the blank area G is within a range of 2.5±0.5 mm or not.

6. If it is not, change values using the following procedure, and repeat the steps 2 to 4 above.

(Adjustment mode) ৎ (Input code [428] with digital keys) ৎ [START] ৎ (Input a value

(acceptable values : 0 to 255) with digital keys) ৎ [INTERRUPT] (Stored in memory)

* The larger the adjustment value, the larger the blank area becomes (0.042 mm/step).

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Feeding direction

[Chart TCC-1]

[0][5][Power ON] ৎ (Chart TCC-1) ৎ [ENERGY SAVER] ৎ [START] (A4/LT, 100%, full color and text/photo)

A: 05-482 ৎ 200±0.5 mm (0.2 mm/step) ৎ 05-407

B: 05-104 ৎ 150±0.5 mm (0.23 mm/step) ৎ 05-407

C: 05-106 ৎ 5±0.5 mm (0.042 mm/step)

D: 05-485(2nd), 484(1st), 486(3rd) ,487(4th), 488(bypass), 489(LCF) and 490(ADU)ৎ 5±0.5 mm (0.6 mm/step)

E: 05-105 ৎ 10±0.5 mm (0.12 mm/step)

F: 05-427 ৎ 2±0.5 mm (0.042 mm/step)

G: 05-428 ৎ 2.5±0.5 mm (0.042 mm/step)

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[9]

[8]

[1]

[10]

[5]

[3]

[2]

[3]

[2]

TOSHIBA COLOR CHART

No.TCC-1

[7]

[1]

[6]

[4]

[3]

[14]

[11]

[12]

[7]

[2]

[13]

[1]

[8]

[1] Grid lines

: For adjusting margin (void) and scanner section

: For checking uniformity

[2] YMCK patches

[3] Resolution pattern

[4] Gradation pattern

: For checking resolution

: Gradation pattern of seven colors (Y, M, C, R, G, B and K)

Coverage ratio: 10-100%

For adjusting the halftone reproduction and gray balance

: For checking color registration

[5] Color registration pattern

[6] Pictures

: For checking color reproduction and moire

[7] Magnification lines

: For checking the magnification error of primary and secondary scan-

ning directions

[8] Center lines

[9] Arrow

: Center lines for A4/LT sizes

: A mark for placing the chart properly onto the original glass (place it

to the left rear corner of the original glass).

: For checking uniformity

[10] Halftone band

[11] White text on the black solid : For checking the reproduction of white text on black solid

[12] Text

: For checking reproduction of text

[13] Thin lines

[14] Note area

: For checking reproduction of the thin lines (line width: 100µm).

: For recording the date, conditions, etc.

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1. 7 Automatic Adjustment of Gamma Correction

(1) At the time of unpacking:

When the reproduction of gradation is not appropriate, the gradation reproducibility of all colors Y,

M, C and K can be corrected by performing this automatic adjustment of gamma correction. Check

the image, and if the gradation reproduction is not satisfactory, make this adjustment as described

below.

(2) When any of the following parts has been replaced, be sure to make this adjustment:

• Laser optical unit

• Drum

• Developer material

(3) When any of the following parts are replaced or adjusted, make a copy and check the image to

determine if the adjustment is necessary:

• Main charger

• Transfer belt

Note: Be sure that this adjustment be made after performing the copy image adjustment in “1.5 Auto-

matic Initialization of Image Quality Control” and "1.6 Copy Image Dimensional Adjustment".

Code

643

Adjustment item

Automatic adjustment

of gamma correction

Content

Adjustment of Text or Map mode

(1) While pressing [0] and [5] simultaneously, turn the power ON.

ৎ Adjustment mode

(2) Press [4] ৎ [SETTINGS] and output a “Patch chart for gamma

adjustment”.

(3) Place the “Patch chart for gamma adjustment”produced in step

(2), face down onto the original glass, with the side, on which a

black band is present, precisely against the original scale.

(4) Input code [643] with digital keys and press [START].

(5) Input [2] with digital keys, and press [START] and then [INTER-

RUPT] ৎ The scanner reads the original automatically and

performs automatic gamma adjustment calculation (approx. 30

sec.).

(6) When the adjustment ends normally, “SCAN COMPLETE” is

shown.Press [START] to have the adjustment results reflected.

(To cancel the reflection of adjustment results, press [STOP].)

When “COMPLETE” is shown, press [STOP] to return to the

standby state.

In the case of an abnormal ending, “ADJUSTMENT ERROR”

is shown. Press [STOP] to clear the error display. When it is

cleared, the control panel display will return to the standby state.

Then, check if the gradation pattern image on the original glass

is oriented in the wrong direction or if it is placed inclined on the

original glass, and then repeat step (3) and afterward.

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(1) While pressing [0] and [5] simultaneously, turn the power ON.

ৎ Adjustment mode

(2) Press [5] ৎ [SETTINGS] to output a “Patch chart for gamma

adjustment”.

(3) Place the “Patch chart for gamma adjustment”produced in step

(2), face down onto the original glass, with the side, on which a

black band is present, precisely against the original scale.

(4) Input code [643] with digital keys and press [START].

(5) Input [3] with digital keys, and press [START] and then [INTER-

RUPT]. ৎ The scanner reads the original automatically and

performs automatic gamma adjustment calculation (approx. 30

sec.).

(6) When the adjustment ends normally, “SCAN COMPLETE” is

shown.Press [START] to have the adjustment results reflected.

(To cancel the reflection of adjustment results, press [STOP].)

When “COMPLETE” is shown, press [STOP] to return to the

standby state.

In the case of an abnormal ending, “ADJUSTMENT ERROR”

is shown. Press [STOP] to clear the error display. When it is

cleared, the control panel display will return to the standby state.

Then, check if the gradation pattern image on the original glass

is oriented in the wrong direction or if it is placed inclined on the

original glass, and then repeat step (3) and afterward.

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1. 8 Density Adjustment

The center density and the density variation controlled by density adjustment keys can be adjusted

as follows.

Copy mode

Items to be adjusted

Remarks

Color

mode

Printed

image

Text/photo

550

Text

551

561

571

581

556

566

576

586

Photo

553

563

573

583

558

568

578

588

Map

554

564

574

584

559

569

579

589

The larger the value, the

darker the image becomes.

The larger the value, the darker

the “dark” side becomes.

Manual-density

center value

552

562

572

582

557

567

577

587

Manual-density

“dark” step value

Manual-density

“light” step value

560

The larger the value, the lighter

the “light” side becomes.

570

The larger the value, the

darker the image becomes.

The larger the value, the

darker the image becomes.

The larger the value, the darker

the “dark” side becomes.

580

Automatic density

Manual-density

center value

555

Manual-density

“dark” step value

Manual-density

“light” step value

565

The larger the value, the lighter

the “light” side becomes.

575

The larger the value, the

darker the image becomes.

585

Automatic density

Make a test copy and compare the image obtained with the current settings; if necessary, make adjust-

ment using the following procedure.

(1) While pressing [0] and [5] simultaneously, turn the power ON.

(2) Input the code of required mode (color mode, copy mode, item to be adjusted) with digital keys and

press the [START] key.

(3) Input an adjustment value with digital keys (acceptable values: 0 to 255).

(To correct an input value, press the [CLEAR] key.)

(4) Press the [SET] icon or [INTERRUPT] key to store the value.→The copier goes back to the standby

state.

(5) Press the [ENERGY SAVER] key and then press the [START] key to make a test copy.

(6) If the desired image density has not been attained, repeat the steps (2) to (5).

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1. 9 Color Balance Adjustment

Copy mode

Item to be

adjusted

Text/

Remarks

Printed

image

Text

Photo

Map

photo

779

The larger the value,

the darker the color to

be adjuted becomes.

Acceptable values: 0 to

255

Adjustment code

Sub code

780

781

782

783

Yellow

Low density

Medium density

High density

Magenta

Adjustment code

Sub code

784

785

786

787

788

Low density

Medium density

High denisy

Cyan

Adjustment code

Sub code

789

790

791

792

793

Low density

Medium density

High denisy

Black

Adjustment code

Sub code

794

795

796

797

798

Low density

Medium density

High denisy

Make a test copy and compare the image obtained with the current settings; if necessary, make adjust-

ment using the following procedure.

Note: Be sure that this adjustment be made after performing “1.7 Automatic Adjustment of Gamma Correction”.

(1) While pressing [0] and [5] simultaneously, turn the power ON.

(2) Input the code of required mode (color mode, copy mode, item to be adjusted) with digital keys and

press the [START] key.

(3) Select the density area to be adjusted with digital keys (0, 1 or 2), and press the [START] key.

0 : Low density (L) 1 : Medium density (M) 2 : High density (H)

(4) Input an adjustment value with digital keys.

(To correct an input value, press the [CLEAR] key.)

(5) Press the [SET] icon to have the value memorized. ৎ Returns to the display in (3).

(6) For resetting the value, repeat the steps (3) to (5).

(7) Press the [SET] icon or [INTERRUPT] key to store the value in memory.→The copier goes back to

the standby state.

(8) Press the [ENERGY SAVER] key and then press the [START] key to make a test copy.

(9) If the desired image density has not been attained, repeat the steps (2) to (8).

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1. 10 Offset Amount for Processing Background

The density of background and text can be adjusted as follows.

Copy mode

Item to be adjusted

Remarks

Color

mode

Printed

image

Text/photo

698

Text

699

709

704

714

Photo

701

Map

702

712

707

717

The larger the value, the darker

the background becomes.

The smaller the value, the

darker the text becomes.

The larger the value, the darker

the background becomes.

The smaller the value, the

darker the text becomes.

Offset value for

background

Offset value for

text

700

710

705

715

708

711

Offset value for

background

Offset value for

text

703

706

713

716

Make a test copy and compare the image obtained with the current settings; if necessary, make adjust-

ment using the following procedure.

(1) While pressing [0] and [5] simultaneously, turn the power ON.

(2) Input the code of required mode (color mode, copy mode, item to be adjusted) with digital keys and

press the [START] key.

(3) Input an adjustment value with digital keys.

(To correct an input value, press the [CLEAR] key.)

(4) Press the [SET] icon or [INTERRUPT] key to store the value in memory.→The copier goes back to

the standby screen.

(5) Press the [ENERGY SAVER] key and then press the [START] key to make a test copy.

(6) If the desired image density has not been attained, repeat the steps (2) to (5).

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1. 11 Judgment Threshold for ACS

The judgment level is adjusted for the automatic identification of whether the original set on the glass is

monochrome or color. Namely, this is to adjust the judgment level used when “Auto color” is selected in

the color mode.

Code

675

Adjustment item

Content

Judgment threshold for ACS The larger the value, the more an original tends to be judged

to be monochrome, and the smaller the value, the more it

tends to be judged to be color.

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1. 12 AI Mode Setting

(a) AI mode discrimination setting

Select the discrimination level in the AI mode as follows:

Code

678

Adjustment item

AI mode

Discrimination setting

Content

(1) While pressing [0] and [5] simultaneously, turn ON the

power.

(2) Input code [678] with digital keys.

(3) Input an appropriate setting value:

0 : Standard (for regular)

1 : Photograph priority

2 : Only judgement of original type

3 : Only judgement of original type with photograph pri-

ority

4 : No AI discrimination

(4) Press [SET] icon or the [INTERRUPT] key to store the

adjustment value.

(b) AI mode time-out setting

Set the maximum processing time allowable during the AI mode. Two kinds of setting are made, one for

originals of A4 or smaller sizes, and the other for originals larger than A4.

Note: In case discrimination does not finish, stop AI mode discrimination and copy in the selected copy mode.

Code

682

Adjustment item

AI mode

Time-out setting

Content

(1) While pressing [0] and [5] simultaneously, turn ON the

power.

(2) Input code [682] with digital keys.

(3) Input an appropriate setting value:

The setting value should be two digits; the lower digit is

the time-out period (seconds) for A4 original size, and

should be in the range of 1 to 9. The upper digit is the

time-out period for A3 original size, and should be in the

range of 1 to 9. However, time is set in proportion to

original sizes for originals larger than A4, based on A4

or A3 setting value.

(4) Press [SET] icon or the [INTERRUPT] key to store the

setting value.

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1. 13 Sharpness Adjustment

If you want to make copy images look softer or sharper, perform the following adjustment.The adjustment

can be made for each of the color modes and image modes independently.

Code

730

731

732

733

734

735

736

737

738

789

740

741

742

743

744

745

Color mode

Full color

Copy mode

Text/photo (text area)

Text/photo (photo area)

AI (text area)

AI (photo area)

Text

Content

• The larger the value, the sharper the image

becomes; while the smaller the value, the softer the

image becomes.

• The smaller the value, the less moire tends to

appear.

Printed image

Photo

• The permissible range of values : 0 to 31.

The center value is 16.

Map

However, 0 is equivalent to the center value.

Note: In the text/photo and AI modes, you can make

adjustment for text area and photo area

independently, but in the other modes, you

have to make adjustment by compromising

between moire and sharpness.

Black

Text/photo (text area)

Text/photo (photo area)

AI (text area)

AI (photo area)

Text

Printed image

Photo

Map

Make a test copy and compare the image obtained with the current settings; if necessary, make adjust-

ment using the following procedure.

(1) While pressing [0] and [5] simultaneously, turn the power ON.

(2) Input the code of required mode (color mode, copy mode, items to be adjusted) with digital keys and

press the [START] key.

(3) Input an adjustment value with digital keys.

(To correct an input value, press the [CLEAR] key.)

(4) Press the [SET] icon or [INTERRUPT] key to store the value in memory.→The copier goes back to

the standby state.

(5) Press the [ENERGY SAVER] key and then press the [START] key to make a test copy.

(6) If the desired image density has not been attained, repeat the steps (2) to (5).

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1.14 High-Voltage Transformer Settings

1.14.1 Overview

This machine uses four main high-voltage transformers for charging/development/discharging and one

transfer transformer for transfer/suction.

The main high-voltage transformers (PS-HVT-M-310) are used each for one of the colors Y, M, C and K,

giving a total of four units.

The transfer transformer (PS-HVT-TB-310) supplies high-voltage for the transfer rollers Y, M, C and K

and the suction charger to be used in black mode.

The main high-voltage transformers have the following high-voltage outputs.

CH1: main charger wire

CH2: main charger grid bias

CH3: developer bias

CH4: cleaning blade bias

The transfer transformer has the following high-voltage outputs.

CH1: transfer roller bias (Y)

CH2: transfer roller bias (M)

CH3: transfer roller bias (C)

CH4: transfer roller bias (K)

CH5: suction charger

* CH5 is used in black mode only.

The main high-voltage transformer and transfer transformer for service parts are supplied with the data

sheets to be used for the following setup. Be careful not to lose them.

Output adjustment is performed when the devices are shipped, so under any circumstances, do not

move the resistors fixed to the board.

1.14.2 Settings after replacing main high-voltage transformers

After replacing a main high-voltage transformer, input the data stated on the supplementary data sheet

(main charger grid bias, developer bias) according to the procedure below without fail.

(1) Turn the power ON while pressing [0] and [5] simultaneously.

(2) Input code 252 and press [START] key.

ৎ The lower limit value for main charger grid bias is displayed for each Y, M, C and K.

(3) Input the sub-code (0:Y, 1: M, 2: C, 3: K) and press [START] key.

(4) Input a value according to the supplementary data sheet and press either [SET] or [INTERRUPT] key.

(5) Input code [253] and press [START] key.

ৎ The upper limit value for main charger grid bias is displayed for each Y, M, C and K.

(6) Input the sub-code (0:Y, 1: M, 2: C, 3: K) and press [START] key.

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(7) Input a value according to the supplementary data sheet and press either [SET] or [INTERRUPT] key.

(8) Turn the power OFF.

< Settings for developer bias >

(1) Turn the power ON while pressing [0] and [5] simultaneously.

(2) Input code [257] and press [START] key.

ৎ The lower limit value for developer bias is displayed for each Y, M, C and K.

(3) Input sub-code (0:Y, 1: M, 2: C, 3: K) and press [START] key.

(4) Input a value according to the supplementary data sheet and press either [SET] or [INTERRUPT] key.

(5) Input code [258] and press [START] key.

ৎ The upper limit value for developer bias is displayed for each Y, M, C and K.

(6) Input the sub-code (0:Y, 1: M, 2: C, 3: K) and press [START] key.

(7) Input a value according to the supplementary data sheet and press either [SET] or [INTERRUPT] key.

(8) Turn the power OFF.

1.14.3 Settings after replacing transfer transformer

After replacing a transfer transformer, input the data shown on the supplementary data sheet (transfer

bias) according to the procedure below without fail.

(1) Turn the power ON while pressing [0] and [5] simultaneously.

(2) Input code [367] and press [START] key.

ৎ The lower limit value for transfer bias is displayed for each Y, M, C and K.

(3) Input the sub-code (0:Y, 1: M, 2: C, 3: K) and press [START] key.

(4) Input a value according to the supplementary data sheet, and press either [SET] or [INTERRUPT]

key.

* Perform the operation in (3) and (4) for each of Y, M, C and K.

(5) Input code [368] and press [START] key.

ৎ The upper limit value for transfer bias is displayed for each Y, M, C and K.

(6) Input the sub-code (0:Y, 1: M, 2: C, 3: K) and press [START] key.

(7) Input a value according to the supplementary data sheet, and press either [SET] or [INTERRUPT]

key.

* Perform the operation in (6) and (7) for each of Y, M, C and K.

(8) Turn the power OFF.

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1.15 Adjusting Doctor-to-Sleeve Gap

Adjustment tool to use : Doctor-sleeve jig

Adjusting procedure :

(1) Remove the developer unit from the process-

ing unit (EPU), and then remove the devel-

oper unit cover and toner-scattering preven-

tion seal holder from the developer unit.

Developer unit

cover

Toner-scattering prevention

seal holder

(2) Loosen the 2 screws for fixing the doctor blade

(M3), and insert the gauge “0.60” of the jig

into the gap between the developer sleeve and

the doctor blade to adjust the gap.

Screws

Doctor

blade

Fasten the screws for fixing the doctor blade

after adjusting.

Gauge “0.60” of the

doctor-sleeve jig

Developer sleeve

(3) Insert the gauge “0.55” of the jig into the gap

between the sleeve and the doctor, and make

sure that the gauge can move smoothly in the

front৏ৎrear direction. In addition, confirm

that the gauge “0.65” cannot be inserted into

the gap.

Gauge “0.55” of the doctor-

sleeve jig

Note :

1. When confirming and adjusting the gap between the developer sleeve and the doctor blade, insert the

gauges into the gap after rotating the developer sleeve so that its marking faces the doctor blade.

2. While reinstalling the toner-scattering prevention seal holder, make the slide hooks inserted securely.

3. After reinstalling the toner-scattering prevention seal holder, make sure that each of the side mylar

sheets (one each on the front and rear) is between the 2 urethane rubber sheets.

4. While reinstalling the developer unit cover, make the latches fitted securely.

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1.16 Adjusting the Scanner Section

1.16.1 Adjusting the Carriages

(a) Installing carriage drive wires

When replacing the carriage drive wires with new wires, proceed as illustrated below:

Motor pulley

2GT-Z26 (26 tooth)

Carriage 2 pulley

Carriage drive wire

φ 20

Carriage 2

Carriage 1

Scan motor

Wire take-up pulley/motor speed reduction pulley

Idler pulley

φ 27.37/2GT-Z43

φ 20

(b) Adjusting the carriage drive wires

Since the wires are applied with proper tension by tension springs, there is no need for tension

adjustment.

Note:

Check that the wire tension is identical for both front and rear wires and is properly applied.

1. Loosen 2 screws (one each on the front and

rear) which are fixing carriage 1 to the wires,

and another 1 screw (on the front) which are

fixing carriage 2 to the wires.

Carriage jigs

Carriage 1

2. Move carriage 2 to the exit side. Insert the car-

riage jigs into the jig-insertion holes, one each

on the front and rear sides of carriage 2, and

fasten the screw on the front side of carriage 2.

3. While placing the protruding parts of carriage 1

against the carriage jigs, fasten carriage 1 to

the wire on both front and rear sides.

Rear side

Front side

4. Pull out the carriage jigs.

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(d) Installing the carriage drive wires to the wire pulleys

Winding the wire to the wire pulleys:

1. Fit the 3-mm ball terminal in the center of the

wire into the hole in the wire pulley. The wire

should be positioned so that the part of the wire

with a hook on its crimped side be on the upper

side.

Ball terminal

Wire pulley

2. Wind the wires onto the wire pulleys on the front

and rear. The number of turns to be wound are

as follows (see the illustrations below):

· One turn on the inside of the boss.

· Six turns on the outside of the boss.

After winding the wires on the pulleys, hold the

wires with wire holder jigs to prevent them from

unwinding.

[Rear side]

[Front side]

Ball terminal

1 turn

Pulley (front)

Boss

1 turn

Hook

Pulley

(rear)

Ball terminal

6 turns

Hook

Boss

(Front)

Wire pulley

Hook

Wires

Ball terminals

(Rear)

Wire holder jig

Wire pulley

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Note :

1. When winding the wires on the pulleys, take

the following precautions:

· Do not wind the wire on the pulley with

the wire twisted.

No gap should exist.

· Wind the wire strongly so that all the turns

of the wire are in firm contact with the

surface of the pulley.

e.g. Front side

· Each time you wind a turn on the pulley,

push it to the preceding turn so that all

the turns are closely wound.

2. When fitting wire holder jigs, take care so

that the turns wound on the pulleys do not

move or unwind.

3-mm dia.

Front side

Rear side

ball terminal

Wire holder jigs

Pulley

Wire holder jig

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1.16.2 Lens Unit

(a) Replacing the lens unit

· Since the lens unit was precisely adjusted at the factory, it must not be readjusted in the field or some

of its components must not be replaced. If necessary, the lens unit should be replaced as a unit.

· While replacing with a new lens unit, never loosen or remove the six screws indicated with arrows

below. They are locked with special paint.

· Use sufficient care when handling the lens unit. Never hold the precision-adjusted area of the lens unit.

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(b) Adjusting the magnification ratio of the lens

Note:

Feeding direction

1. The lens magnification ratio adjustment

should be performed only when the lens

unit is removed or replaced in the field.

2. Before this adjustment, check that the pri-

mary scanning reproduction ratio of the

printer is corrected.

Copied ruler

Actual ruler

1. Place a suitable ruler on the original glass and make a copy of it on A4(LT)-size paper at 100%

reproduction ratio.

2. Compare the copied ruler with the actual ruler to measure the error in the reproduction ratio.

3. Make adjustment so that the distance between each mark of both rulers becomes equal, using the

following procedure.

Note:

After this adjustment, be sure to perform CCD primary scanning deviation adjustment.

(1) Remove the original glass, lens cover, damp heater unit and lens shield bracket.

(2) Screw the 2 pins for lens magnification ratio adjustment into the 2 elongated holes in the lens base.

Pins for lens magnification ratio

adjustment

Feed side

Lens base

Exit side

(3) Loosen 2 screws for fixing the lens unit.

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(4) Using the marks on the scanner base as a guide, adjust the lens unit in either forward or backward

direction.

The following table shows the error in the reproduction ratio between the copies and actual rulers

compared to be measured, and the amount of adjustment of the lens unit.

Reproduction-ratio error Amount of adjustment

0.1 %

0.2 %

0.3 %

0.4 %

0.5 %

0.6 %

0.7 %

0.8 %

0.9 %

1.0 %

0.5 mm

0.9 mm

1.4 mm

1.9 mm

2.4 mm

2.9 mm

3.3 mm

3.8 mm

4.3 mm

4.8 mm

Marking

Adjustment

direction

For larger-

than-100%

ratios

For smaller-

than-100%

ratios

Exit side

Lens unit

Note:

Feed side

If the adjustment finer than that in the above table is required, perform “Fine adjustment of polygonal

motor rotation speed”.

(5) Install the lens cover and original glass, and then make a copy to confirm the reproduction ratio.

(6) Remove the original glass and lens cover again, and then tighten the 2 screws for the lens unit to fix

its position.

(7) Remove the 2 pins used for adjusting the lens magnification ratio.

(8) Reinstall the damp heater unit, lens shield bracket, lens cover and original glass.

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(1) Insert the positioning pins (front and rear) into the hole of the lens unit, and install to the scanner

unit.

note) As the shape of the front and rear differ, pay attention to this point when installing parts.

(2) Fix the two oblong holes by two screws. (B: two points)

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1.17 Adjusting the Cassette for Sidewise Deviation

(1) Loosen 5 screws for fixing the cassette front cover, and the sidewise deviation can be adjusted

toward the front or the rear by a maximum of 3 mm.

(2) If the copy image is shifted toward the rear of copy paper, adjust the front cover of the cassette

toward the front by the amount of the shift, and fasten the screws.

(3) If the copy image is shifted toward the front of copy paper, adjust the front cover of the cassette

toward the rear by the amount of the shift, and fasten the screws.

Left side

Right side

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1.18 Key Copy Counter (MU-8, MU-10)

To make a key copy counter available, the following 2 components must be installed to the machine.

Key copy counter

MU-8

Counter socket

MU-10

Socket attachment screw holes

(1) Remove the rear cover.

Harness

(2) Remove the feed-side upper cover, and cut

open the window for the key copy counter.

(3) Pull out the harness connector from the hole

in the machine frame, and cut the shorting har-

ness of the connector. (Treat the cut harness

properly to avoid it causing a short-circuit with

the machine frame.) Then, disconnect the

dummy connector.

connector

Dummy

connector

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(4) Connect the connector of the counter socket

to the harness connector of the machine.

(5) Install the counter socket to the machine frame

with two M3 screws.

Socket

connector

Connector of the

machine

M3 screws

(6) Reinstall the feed-side upper cover and the

rear cover.

(7) Insert the key copy counter with its arrow mark

facing up and pointing toward the machine.

(8) In the “08” setting mode, enter “3” under code

202.

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2. PREVENTIVE MAINTENANCE (PM)

2. 1 Types of Preventive Maintenance

The following two types of preventive maintenance should be performed:

(1) General maintenance

General maintenance should be performed based on the value of the PM counter (08-857).

This maintenance, which covers the black developer unit as well as the entire machine, should be

conducted in conjunction with the replacement cycle (For FC-22: every 30K Copies, For FC-15:

every 20K Copies) of the black developer material.

(2) Color maintenance

Color maintenance should be performed based on the value of the color PM counter (08-897).

This maintenance, which is performed with a focus on the color developer units, should be con-

ducted in conjunction with the replacement cycle of the color developer materials.

FC-22: every 30K copies

FC-15: every 20K copies

The replacement cycle (counter value) of color maintenance is determined by the ratio of color copy

to black copy, as shown by the following table, "Variation in PM cycles due to color/black output

ratios".

Variation in PM cycles due to color/black output ratios

Monochrome

modes

FC-15

FC-22

Color modes

PM (copies) Color PM (copies) PM (copies) Color PM (copies)

100%

90%

80%

70%

60%

50%

20.0K

22.2K

25.0K

28.5K

33.3K

40.0K

30.0K

33.3K

37.5K

42.9K

50.0K

60.0K

10%

20%

30%

40%

50%

* Therefore, replacing parts, cleaning and coating oil for the paper feeding unit, scanner unit, trans-

fer/transport unit, fuser unit, all should be checked and maintained in conjunction with the replace-

ment cycle of the black developer material.

e.g. )Replacing fuser rollers

: At the 3rd cycle of replacing black developer material

(30K × 3 = 90K copies)

Replacing the transfer belt : At the 4th cycle of replacing black developer material

(30K × 4 = 120K copies)

* For the details of maintenance items, refer to the checklist described later.

* Yields are based on factory defaults.

January 2000 © TOSHIBA TEC

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2. 2 Maintenance to be Performed

FC-22: Every 30,000, 60,000, 90,000 and 120,000 Copies

FC-15: Every 20,000, 40,000, 60,000 and 120,000 Copies

(1) Preparation

ᕃ Discuss current machine conditions with the key operator and note them down.

ᕄ Before starting maintenance, make a few sample copies by TCC-1 chart and save them for

later reference purposes.

ᕅ Turn OFF the power switch, and be sure to unplug the copier.

(2) Perform preventive maintenance following the checklist shown below. During maintenance, refer to

the illustrations attached and the Service Manual as required.

(3) After having finished the maintenance, plug in the copier, turn ON the power switch, and make a few

copies to confirm that the copier is working normally.

2. 3 Preventive Maintenance Checklist

Symbols used in the checklist (For FC-22)

Cleaning

Coating

Replacing

Operation check

Z After cleaning

or replacing,

Date

White grease 30 Every 30K copies

User’s name

Serial No.

Inspector’s

name

Cleaning with alcohol

Cleaning with soft pad,

cloth or vacuum cleaner

(Molycoat)

AV Alvania No.2

60 Every 60K copies

90 Every 90K copies

120 Every 120K

copies

check for no

abnormality.

Remarks

Replace if

deformed or

damaged

Symbols used in the checklist (For FC-15)

Cleaning

Coating

Replacing

Operation check

Z After cleaning

or replacing,

Date

White grease 20 Every 20K copies

User’s name

Serial No.

Inspector’s

name

Cleaning with alcohol

Cleaning with soft pad,

cloth or vacuum cleaner

(Molycoat)

AV Alvania No.2

40 Every 40K copies

60 Every 60K copies

120 Every 120K copies

check for no

abnormality.

Replace if

deformed or

damaged

Remarks

FC-22 PREVENTIVE MAINTENANCE

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General Maintenance Checklist

FC-22

Replace every Operation Remarks

Section

Item to inspect

Cleaning

Coating

1K copies

check

<P-1>

1. Developer material

2. Doctor blade

∗9

∗1

∗10

∗2

Z(30/60)

Z(60)

3. Developer unit drum seal

4. Front/rear sides of developer unit

5. Oil seal portion

Z(60)

6. Cleaning blade

∗3

<P23-I13>

7. Recovery blade

Z(60)

∗4

8. Felt seals on both ends of the cleaning blade Z(60)

9. Entire developer/cleaner unit

10. Main charger case

11. Dischiarge LED

Z(60)

∗8

∗7

Processing

unit (EPU)

(Only Black

related parts)

12. Wire cleaning pad

13. Main charger wire

<P22-I21>

∗7

<P22-I15>

14. Main charger grid

15. Main charger contact

16. Drum

<P22-I24>

Z(60)

∗5

<P22-I38>

17. Drum shaft

Z(60)

18. Drum thermister

19. Toner recovery auger drive

20. Toner cartridge drive gear

21. Ozone filter

∗6

<P6-I37>

Around-EPU

area

22. Toner bag

Key-operator’s

item

<P33-I33>

23. Upper fuser roller

24. Lower fuser roller

25. Separation fingers

26. Upper oil roller

∗11

<P27-I17>

∗12

<P27-I4>

∗14

<P28-I31>

∗13

<P28-I56>

27. Upper cleaning roller

28. Lower oil roller

∗13

<P28-I57>

Fuser unit

∗13

<P28-I11>

29. Lower cleaning roller

∗13

<P28-I12>

30. Upper thermistors

31. Lower thermistors

32. Fuser roller inlet guide

33. Fuser roller exit guide

34. Paper exit roller

A(30)

A(90)

January 2000 © TOSHIBA TEC

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FC-22

Remarks

<P-1>

Replace every Operation

Section

Item to inspect

Cleaning Coating

1K copies

check

Image quality 35. Image quality sensor’s area

control

Z(60)

Color

36. Color registration sensor

Z(60)

registration

Laser unit

37. Slit glass

Z(60)

38. Pick-up roller

39. Feed roller

<P14-I13>

40. Separation roller

41. Bypass pick-up roller

<P17-I32>

<P17-I10>

Paper feeding 42. Bypass feed roller

system

43. Bypass separation pad

44. Registration roller

45. Paper guide

90>

Z(60)

46. Paper dust brush

47. Paper feeding system drive gears (tooth face)

48. Registration unit support bushings

49. Original glass

Z(60)or A

Z(60)

50. Platen cover

51. Mirror 1

52. Mirror 2

53. Mirror 3

Scanner

54. Reflector

55. Lens

56. Exposure lamp

57. Original-width indicator

58. Automatic original detection unit

59. Slide sheet

60. Air filter

Z(60)

61. Transfer belt

120

<P30-I2>

<P30-I22>

<P30-I27>

<P30-I46>

62. Transfer roller (Y, M, C, K)

63. Drive roller cleaning felt

Transfer/

transport unit 64. Transfer belt cleaning blade

(TBU)

65. Transfer belt recovery blade

66. Transfer belt drive roller

67. Transfer belt driven roller

Z(120)

Z(60)

Notes: 1.<P-I> in the “Remarks” column indicates a page item in the Parts List.

2.The replacement cycle of each supply item of a particular paper feeding system corresponds with the

maximum number of sheets specified for the paper feed source.

FC-22 PREVENTIVE MAINTENANCE

2 - 4

January 2000 © TOSHIBA TEC

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Color Maintenance Checklist

FC-22

Replace every Operation Remarks

Section

Item to inspect

Cleaning

Coating

1K copies

check

<P-1>

1. Developer material (Y, M, C)

2. Doctor blade

∗9

∗1

∗10

∗2

Z(30/60)

Z(60)

3. Developer unit drum seal

4. Front/rear sides of developer unit

5. Oil seal portion

Z(60)

6. Cleaning blade

∗3

<P23-I13>

7. Recovery blade

Z(60)

∗4

8. Felt seals on both ends of the cleaning blade Z(60)

9. Entire developer/cleaner unit

10. Main charger case

11. Dischiarge LED

Z(60)

∗8

∗7

Processing

unit (EPU)

(Color (Y, M,

C) related

parts)

12. Wire cleaning pad

13. Main charger wire

<P22-I21>

∗7

<P22-I15>

14. Main charger grid

15. Main charger contact

16. Drum

<P22-I24>

Z(60)

∗5

<P22-I38>

17. Drum shaft

Z(60)

18. Drum thermister

19. Toner recovery auger drive

Image quality 35. Image quality sensor’s area

control

Color

36. Color registration sensor

Z(60)

registration

Laser unit

37. Slit glass

Z(60)

Note: 1.<P-I> in the “Remarks” column indicates a page item in the Parts List.

January 2000 © TOSHIBA TEC

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FC-22 PREVENTIVE MAINTENANCE

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General Maintenance Checklist

FC-15

Replace every Operation Remarks

Section

Item to inspect

Cleaning

Coating

1K copies

check

<P-1>

1. Developer material (Y, M, C)

2. Doctor blade

∗9

∗1

∗10

∗2

Z(20/40)

Z(40)

3. Developer unit drum seal

4. Front/rear sides of developer unit

5. Oil seal portion

Z(40)

6. Cleaning blade

∗3

<P23-I13>

7. Recovery blade

Z(40)

∗4

8. Felt seals on both ends of the cleaning blade Z(40)

9. Entire developer/cleaner unit

10. Main charger case

11. Dischiarge LED

Z(40)

∗8

∗7

Processing

unit (EPU)

(Only Black)

12. Wire cleaning pad

13. Main charger wire

<P22-I21>

∗7

parts)

<P22-I15>

14. Main charger grid

15. Main charger contact

16. Drum

<P22-I24>

Z(40)

∗5

<P22-I38>

17. Drum shaft

Z(40)

18. Drum thermister

19. Toner recovery auger drive

20. Toner cartridge drive gear

21. Ozone filter

Processing

unit Around

EPU area

∗6

<P6-I37>

22. Toner bag

Key-operator’s

item

<P33-I33>

23. Upper fuser roller

24. Lower fuser roller

25. Separation fingers

26. Upper oil roller

∗11

<P27-I17>

∗12

<P27-I4>

∗14

<P28-I31>

∗13

<P28-I56>

27. Upper cleaning roller

28. Lower oil roller

∗13

<P28-I57>

Fuser unit

∗13

<P28-I11>

29. Lower cleaning roller

∗13

<P28-I12>

30. Upper thermistors

31. Lower thermistors

32. Fuser roller inlet guide

33. Fuser roller exit guide

34. Paper exit roller

A(20)

A(60)

January 2000 © TOSHIBA TEC

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FC-22 PREVENTIVE MAINTENANCE

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FC-15

Remarks

<P-1>

Replace every Operation

Section

Item to inspect

Cleaning Coating

1K copies

check

Image quality 35. Image quality sensor’s area

control

Z(40)

Color

36. Color registration sensor

Z(40)

registration

Laser unit

37. Slit glass

Z(40)

38. Pick-up roller

39. Feed roller

<P14-I13>

40. Separation roller

41. Bypass pick-up roller

<P17-I32>

<P17-I10>

Paper feeding 42. Bypass feed roller

system

43. Bypass separation pad

44. Registration roller

45. Paper guide

90>

Z(40)

Z(20)

46. Paper dust brush

47. Paper feeding system drive gears (tooth face)

48. Registration unit support bushings

49. Original glass

Z(40)or A

Z(40)

50. Platen cover

51. Mirror 1

52. Mirror 2

53. Mirror 3

Scanner

54. Reflector

55. Lens

56. Exposure lamp

57. Original-width indicator

58. Automatic original detection unit

59. Slide sheet

60. Air filter

Z(40)

61. Transfer belt

120

<P30-I2>

<P30-I22>

<P30-I27>

<P30-I46>

62. Transfer roller (Y, M, C, K)

63. Drive roller cleaning felt

Transfer/

transport unit 64. Transfer belt cleaning blade

(TBU)

65. Transfer belt recovery blade

66. Transfer belt drive roller

67. Transfer belt driven roller

Z(120)

Z(60)

Notes: 1.<P-I> in the “Remarks” column indicates a page item in the Parts List.

2.The replacement cycle of each supply item of a particular paper feeding system corresponds with the

maximum number of sheets specified for the paper feed source.

January 2000 © TOSHIBA TEC

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FC-22 PREVENTIVE MAINTENANCE

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Color Maintenance Checklist

FC-15

Replace every Operation Remarks

Section

Item to inspect

Cleaning

Coating

1K copies

check

<P-1>

1. Developer material (Y, M, C)

2. Doctor blade

∗9

∗1

∗10

∗2

Z(20/40)

Z(40)

3. Developer unit drum seal

4. Front/rear sides of developer unit

5. Oil seal portion

Z(40)

6. Cleaning blade

∗3

<P23-I13>

7. Recovery blade

Z(40)

∗4

8. Felt seals on both ends of the cleaning blade Z(40)

9. Entire developer/cleaner unit

10. Main charger case

11. Dischiarge LED

Z(40)

∗8

∗7

Processing

unit (EPU)

(Color (Y, M,

C) related

parts)

12. Wire cleaning pad

13. Main charger wire

<P22-I21>

∗7

<P22-I15>

14. Main charger grid

15. Main charger contact

16. Drum

<P22-I24>

Z(40)

∗5

<P22-I38>

17. Drum shaft

Z(40)

18. Drum thermister

19. Toner recovery auger drive

Image quality 35. Image quality sensor’s area

control

Color

36. Color registration sensor

Z(40)

registration

Laser unit

37. Slit glass

Z(40)

Note: 1.<P-I> in the “Remarks” column indicates a page item in the Parts List.

January 2000 © TOSHIBA TEC

2 - 5 - 3

FC-22 PREVENTIVE MAINTENANCE

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[Processing unit (EPU)]

(See next page)

5352 51 54 56 57 49 58 59 35, 36 58 55

44, 48

64 63

62 61

[Front sectional view]

FC-22 PREVENTIVE MAINTENANCE

2 - 6

January 2000 © TOSHIBA TEC

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11 13

12 10, 15

11 13

12 10, 15

11 13

12 10, 15

11 13

12 10, 15

3, 18

8, 6 14 17 16

Developer unit K

Developer unit C

Developer unit M

Developer unit Y

[Processing unit (EPU)]

January 2000 © TOSHIBA TEC

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FC-22 PREVENTIVE MAINTENANCE

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[Front-side drive system]

FC-22 PREVENTIVE MAINTENANCE

2 - 8

January 2000 © TOSHIBA TEC

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* Notes on the Preventive Maintenance Checklist

∗ 1. Doctor blade cleaning

(a) Cleaning every 30K

Note: This cleaning should be done prior to “automatic removing of developer material”.

(1) Open the front covers, and turn the lever to

the right to make the transfer belt unit move

down.

(2) Remove the toner cartridges (Y, M, C, K).

(3) Remove the processing unit (EPU) and place

it on a flat table.

Note: Make sure there are no projections or parts

such as screws on the table.

(4) Pull out the drum thermistor.

(5) Disengage 4 latches of the developer unit

cover gently and lift the cover up slowly.

Note: Be careful not to allow the developer mate-

rial deposited on the back of the cover to

drop into different-color developer units. (To

avoid this problem, put paper over the other

developer units not being cleaned now.)

(6) Insert the doctor blade cleaning jig between

the doctor blade and the sleeve, and move

the jig along the blade edge back and forth;

make 3 return movements to clean the doctor

blade.

(7) Reinstall the developer unit cover and the

drum thermistor.

(8) Do steps (4) to (7) for developer unit K or units

Y, M and C.

(9) Reinstall the EPU into the machine, and raise

the transfer belt unit.

(10) Perform the automatic removing of developer

material (adjustment mode 05-392:K, 391:Y,

M, C).

January 2000 © TOSHIBA TEC

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(b) Cleaning every 60K (which should be give priority when coincides with every-30K cleaning)

Note: This cleaning should be done subsequent to “automatic removing of developer material”.

(1) Move the developer removal shutter lever in

the direction of the arrow shown to close the

developer removal opening.

(2) Remove the developer unit from the EPU.

(3) Remove the developer unit cover. Insert the

doctor blade cleaning jig between the doctor

blade and the sleeve and move the jig back

and forth; make 3 return movements to clean

the doctor blade.

(4) After the cleaning, return the developer re-

moval shutter lever to open the developer re-

moval opening (move the lever in a direction

reverse to (1)).

(5) Making the developer removal opening point

downward, remove the developer material re-

maining in the developer unit. (Shake the de-

veloper unit to the right and left, and rotate

the mixer and the sleeve alternately.)

Developer material

FC-22 PREVENTIVE MAINTENANCE

2 - 10

January 2000 © TOSHIBA TEC

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∗2 Front/rear sides of developer unit

Clean off any toner accumulating on the developer sleeve ends indicated with arrows and in the

area beneath the scattered toner recovery roller.

∗3 Cleaning blade

If poor cleaning has occurred due to such causes as adhesion of paper dust, etc. prior to the

specified number of copies for replacement, replace the cleaning blade as required because the

blade edge may have been damaged.

∗4 Recovery blade

If the blade edge has been marred, replace the blade regardless of the number of copies that have

been made so far.

∗5 Drum

Refer to “3.2 Checking and Cleaning of the Photoconductive Drums”.

∗6 Ozone filter

If the ozone filter is heavily dirty, replace it.

∗7 Main charger case and charger wire

To clean the inside of the main charger case and the charger wire, use a cloth which should be

soaked in water and then wrung lightly.

∗8 Developer unit and cleaner unit

Check if the outside surfaces including the bottom surfaces are dirty, and clean if necessary.

∗9 Developer material

When the developer material is replaced, be sure to perform "automatic adjustment of the auto-

toner circuit" (adjustment mode 05-200, 204, 221).

∗10 Drum seal

Use a cloth which should be soaked in water and then wrung strongly to clean the front seal.

∗11 Upper fuser roller

Refer to “3.5 Checking and Cleaning of the Fuser rollers”.

∗12 Lower fuser roller

∗13 Oil roller and cleaning roller

Refer to “3.4 Checking and Replacing of the Oil Roller and Cleaning Roller of fuser section”.

∗14 Separation fingers

Replace any finger if its tip is damaged, regardless of the specified number of copies for replace-

ment. If toner is fused tightly on the tip of fingers, the tip may be damaged if you try to scrape the

toner off forcefully. So, replace any fingers that are heavily dirty with toner.

January 2000 © TOSHIBA TEC

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2. 4 PM Kit

FC-22

No. of copies for

replacement cycle

Kit name

Classification of kits

Part name

Q'ty

1. Developer material (Y)

1. Developer material (M)

1. Developer material (C)

1. Developer material (K)

26. Upper oil roller (fuser unit)

27. Upper cleaning roller (fuser unit)

– Doctor blade cleaning jig

6. Cleaning blade

PS-ZDFC22Y

PS-ZDFC22M

PS-ZDFC22C

PS-ZDFC22K

SR-FC22H

DEV-KIT-FC22

(30K kit)

30K

B-FC22H

JIG-CLEAN-DOC

BL-FC22D

12. Charger wire cleaning pad

13. Main charger wire

WIRE-CH-310

K-PAD-WIRE

GRID-CH-310

K-FILTER-OZN

HR-FC22-U

HR-FC22-L

EPU-KIT-FC22

(60K kit)

60K

14. Main charger grid

21. Ozone filter

23. Upper fuser roller

24. Lower fuser roller

FU-KIT-FC22

(90K kit)

25. Separation finger

SCRAPER-PR

SR-FC22L

90K

28. Lower oil roller

29. Lower cleaning roller

B-FC22L

38. Pick-up roller (cassette feed section) K-ROL-PICK-310

61. Transfer belt

TBU-KIT-FC22 62. Transfer roller

(120K kit) 63. Drive roller cleaning felt

64. Transfer belt cleaning blade

BT-FC22TR

CR-FC22TR

FP-FC22TR

BL-FC22TR

120K

* The numbers in the “Classification of kits” column above correspond with the numbers in the

Preventive Maintenance Checklist.

FC-22 PREVENTIVE MAINTENANCE

2 - 12

January 2000 © TOSHIBA TEC

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PM Kit

FC-15

No. of copies for

replacement cycle

Kit name

Classification of kits

Part name

Q'ty

1. Developer material (Y)

1. Developer material (M)

1. Developer material (C)

1. Developer material (K)

26. Upper oil roller (fuser unit)

27. Upper cleaning roller (fuser unit)

– Doctor blade cleaning jig

6. Cleaning blade

PS-ZDFC22Y

PS-ZDFC22M

PS-ZDFC22C

PS-ZDFC22K

SR-FC22H

DEV-KIT-FC22

(20K kit)

20K

B-FC22H

JIG-CLEAN-DOC

BL-FC22D

12. Charger wire cleaning pad

13. Main charger wire

WIRE-CH-310

K-PAD-WIRE

GRID-CH-310

K-FILTER-OZN

HR-FC22-U

HR-FC22-L

EPU-KIT-FC22

(40K kit)

40K

14. Main charger grid

21. Ozone filter

23. Upper fuser roller

24. Lower fuser roller

FU-KIT-FC22

(60K kit)

25. Separation finger

SCRAPER-PR

SR-FC22L

60K

28. Lower oil roller

29. Lower cleaning roller

B-FC22L

39. Pick-up roller (cassette feed section) K-ROL-PICK-310

61. Transfer belt

TBU-KIT-FC22 62. Transfer roller

(120K kit) 63. Drive roller cleaning felt

64. Transfer belt cleaning blade

BT-FC22TR

CR-FC22TR

FP-FC22TR

BL-FC22TR

120K

* The numbers in the “Classification of kits” column above correspond with the numbers in the

Preventive Maintenance Checklist.

January 2000 © TOSHIBA TEC

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2. 5 List of Adjustment Tools

Parts List

Name

Page

100

Item

Door switch keep-on jig

Wire holder jig

ROM writer adapter 1

ROM writer adapter 2

Area sheet (grid-patterned sheet which

facilitates the reading of values on

X-Y coordinates in trimming and

masking modes)

Doctor blade - sleeve gap adjustment jig

Doctor blade cleaning jig

Cleaning brush

100

Test chart (No. TCC-1)

Scanner carriage jig

January 2000 © TOSHIBA TEC

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3. PRECAUTIONS FOR STORING & HANDLING SUPPLIES

3.1 Precautions for Storing TOSHIBA Supplies

A.Toner and Developer

Toner and developer should be stored in a shaded place where the ambient temperature is between 10

to 35°C (no condensation), and should also be protected against direct sunlight during transportation.

B. Photoconductive Drum

Like toner and developer, Photoconductive drums should be stored in a dark place where the ambient

temperature is between 10 to 35°C (no condensation). Be sure to avoid places where drums may be

subjected to high humidity, chemicals and/or chemical gas.

C. Drum Cleaning Blade

This item should be stored “horizontally” on a flat surface where the ambient temperature is between 10

to 35°C, and should also be protected against high humidity, chemicals and/or chemical gas.

D. Fuser Roller

Avoid places where the fuser rollers may be subjected to high humidity, chemicals and/or chemical gas.

E. Cleaning Roller

Avoid places where the felt roller may be subjected to high humidity, chemicals and/or chemical gas. It

should also be stored “horizontally” on a flat surface.

F. Copy Paper

Avoid storing copy paper in places where it may be subjected to high humidity.

After a package is opened, be sure to place and store it in a storage bag.

3.2 Checking and Cleaning of the Photoconductive Drum

(1) Use of Gloves

If fingerprints or oil stain the OPC drum surface, the characteristics of the photoconductor may degrade,

affecting the quality of the copy image. So, do not touch the drum surface with your bare hands.

(2) Handling Precautions

As the OPC drum surface is very delicate, be sure to handle the drum carefully when installing and

removing it so as not to damage its surface.

When the drum is replaced with a new one, be sure to apply “patting powder” (lubricant) to the entire

surface of the new drum before installing. After installing, the drum counter must be cleared to 0 (zero) by

operating the setting mode 840 – 843 and 867 – 870.

Note:

1. Application of the patting powder is for reducing the friction between the drum and the cleaning blade.

If the application of patting powder is neglected, the drum and the cleaning blade may be damaged.

2. When some fibers adhere to the cleaning blade edge, they may reduce the cleaning efficiency and, in

addition, may damage the blade and the drum. Be sure to remove any fibers found adhering to the

blade.

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(3) Installation of the Copier and Storage of the Drum

Avoid installing the copier where it may be subjected to high temperature, high humidity, chemicals and/

or chemical gas.

Do not leave drums in a brightly lit place for a long time. Otherwise, the drum will be fatigued, producing

some background fog on the copy after being installed in the machine. However, this effect will decrease

as time elapses.

(4) Cleaning the Drum

At periodic maintenance calls, wipe softly the entire surface of the drum using the designated cleaning

cotton (dry soft pad). Use sufficiently thick cleaning cotton so as not to touch the drum surface inadvert-

ently with your fingertips or nails. Also, remove your rings and wristwatch before starting cleaning work to

prevent accidental damage to the drum.

Do not use organic solvents such as alcohol or silicone oil as they will have an adverse effect on the

drum. Never use selenium refresher, either.

(5) Scratches on Photoconductive Drum Surface

If the surface is scratched to such a degree that the aluminum base is exposed, black spots or streaks will

be produced on copy images and can also damage the cleaning blade. So, replace the drum with a new

one.

(6) Collecting Used Photoconductive Drums

Regarding the recovery and disposal of used OPC drums, you should follow your relevant local regula-

tions and rules.

3.3 Checking and Cleaning of the Drum Cleaning Blade andTransfer Belt Clean-

ing Blade

(1) Handling Precautions

Since the edge of the cleaning blade performs the cleaning operation, pay special attention when han-

dling it:

ᕃ Do not allow any hard object to hit or rub against the blade edge. Do not rub the edge with a cloth

or soft pad.

ᕄ Do not stain the edge with any oil or fingerprints, etc.

ᕅ Do not allow solvents such as paint thinner to touch the blade.

ᕆ Do not leave any lint or dirt on the blade edge.

ᕇ Do not place the blade near a heat source.

(2) Cleaning Procedure

Clean the blade edge lightly with a cloth moistened with water.

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3.4 Checking and Replacing the Oil Roller and Cleaning Roller of Fuser Section

(1) Handling Precautions

Never allow solvents such as paint thinner to touch to the cleaning roller.

(2) Defective Cleaning and Corrective Treatment

Judgement should be made depending on how much toner has been deposited on the fuser roller sur-

face. When its surface is stained with toner, examine the oil roller and cleaning roller. If toner is heavily

adhered on the oil/cleaning rollers, it means the cleaning performance is declined and the oil/cleaning

rollers should be replaced with new ones.

The oil/cleaning rollers will be gradually degraded due to subjection to the heat from the fuser roller over

a long period of time. Replace them preferably after a fixed amount of copies have been made.

3.5 Checking and Cleaning of the Fuser Rollers

(1) Handling Precautions

Upper and lower fuser rollers

ᕃ Do not leave any oil (fingerprints, etc.) on the upper and lower fuser rollers.

ᕄ Be careful not to allow any hard object to hit or rub against the fuser rollers, or they may be

damaged, possibly resulting in defective cleaning.

(2) Checking

ᕃ Check for stain and damage on the fuser rollers and clean if necessary.

ᕄ Clean the separation claws and check for chipped claw tips.

ᕅ Check the cleaning effect of the cleaning roller.

ᕆ Check the thermistor for proper contact with the fuser roller.

ᕇ Check the fused condition of the toner image.

ᕈ Check the gap between the inlet guide and lower fuser roller.

ᕉ Check the fuser rollers for proper rotation.

(3) Cleaning Procedure for Fuser Rollers

When fuser rollers become dirty, they will cause jamming. If this happens, wipe the roller surface clean

with a suitable cloth. For easier cleaning, clean the rollers while they are still warm.

Note:

Be careful not to rub the fuser roller surface with your fingernails or hard objects because it can be easily

damaged. Do not use silicone oil on the fuser rollers.

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3.6 Checking and Replacing the Transfer Belt

(1) Handling Precautions

ᕃ Do not touch the belt surface with your bare hands.

ᕄ Prevent oil or other foreign matter from staining the belt surface.

ᕅ Do not allow alcohol or any other organic solvent to come into contact with the transfer belt.

ᕆ Do not apply external pressure that might scratch the transfer belt.

3.7 Checking and Replacing the Transfer Roller

(1) Handling Precautions

ᕃ Do not touch the transfer roller surface with your bare hands.

ᕄ Be carefull not to leave any scratch or dent on the transfer roller surface.

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4. TROUBLESHOOTING

The ID for each machine is registered on the LGC board, the IMC board and the SIC board.

So, if their replacement is required, be sure to replace only one board at a time.

If more than one of the LGC board, the IMC board and the SIC board require replacement,

replace them in the following procedure.

1. First, replace one of the boards to be replaced.

2.Turn the power ON and confirm that “READY” is displayed.

3.Turn the power OFF.

4. Replace another board that requires replacement.

5. Repeat the steps 2. to 3.

* If more than one of the LGC board, the IMC board and the SIC board are replaced at the

same time, the error code “C9E” might be displayed.

4.1 Troubleshooting Based on Error Code

4.1.1 Paper transport jam inside the copier

E01 Paper leading edge not reaching the exit sensor

E02 Paper trailing edge not passing the exit sensor

Is the fuser motor rotating?

YES

Is the harness between the LGC board and the exit sensor open-circuited?

Is the paper exit sensor the connector or the connector J122 on the LGC board

disconnected?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the exit sensor.

2. Replace the LGC board.

▼

Is the harness between the LGC board and the fuser motor open-circuited?

Is the fuser motor connector or the connector J117 on the LGC board disconnected?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the fuser motor.

2. Replace the LGC board.

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Where was the paper stopped?

Near the exit sensor (paper not damaged)

▼

Is the registration sensor functioning properly? (Does its actuator return

smoothly?)

YES

1. Check the test mode 03 and see if the registration sensor is

valid.

2. Reconnect the registration sensor connector.

▼

Repair if the actuator is displaced.

Before reaching the fuser unit

▼

Did the paper stop, curling upward excessively?

YES

Replace the paper in the cassette.

From on the transfer belt up to the exit sensor

▼

Do the size of paper and the size plate indication match?

Make the sizes match.

YES

▼

Is the transfer belt moving?

▼

(To C37 )

E03 Paper remaining inside the copier at power ON

Is any paper remaining inside the copier?

YES

Remove the paper.

▼

Refer to E01 , E02 and E11 to E26 .

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4.1.2 Paper feeding jam

E11 Paper misfeed from the ADU

Is any paper remaining in the paper feed area inside the ADU unit?

YES

Remove the paper.

▼

Is the connector J103 on the LGC board disconnected?

Is the harness between the LGC board and the ADU drawer connector open-circuited?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the LGC board.

2. Replace the ADU unit.

E12 Paper misfeed from the bypass

Is any paper set in the bypass tray?

YES

Does the paper remain within the specified paper weight and stack height ?

YES

Is there any foreign matter such as scrap of paper in the paper

transport path from the bypass feed section up to the registration

rollers?

YES

Eliminate the foreign matter.

▼

Check if the bypass pick-up roller, bypass feed roller or separa-

tion pad is not deteriorated. Replace them if necessary.

▼

Adjust the paper weight and stack height to follow the specification.

▼

Does the bypass paper sensor work? Does the actuator return normally?

1. Use the test mode to confirm that the bypass paper sensor is working nor-

YES

mally.

2. Reconnect the bypass paper sensor connector.

▼

Repair the actuator if it is displaced.

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E13 Paper misfeed from the 1st cassette

E14 Paper misfeed from the 2nd cassette

E15 Paper misfeed from the 3rd cassette

E16 Paper misfeed from the 4th cassette

Open the side door; does any paper remain in the paper path from the cassette?

YES

Remove the paper.

▼

Is the harness between the LGC board and the cassette-feed jam sensor open-circuited?

Is the cassette-feed jam sensor connector or the connector J107 on the LGC board discon-

nected?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the cassette-feed jam sensor.

2. Replace the LGC board.

E19 Paper misfeed from the LCF

Open the side door; does any paper remain in the paper path from the LCF?

YES

Remove the paper.

▼

Is the harness between the LGC board and the cassette-feed jam sensor open-circuited?

Is the cassette-feed jam sensor connector or the connector J107 on the LGC board discon-

nected?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the cassette-feed jam sensor.

2. Replace the LGC board.

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4.1.3 Paper transport jam (Paper not reaching the registration sensor after feeding)

E21 Paper transport jam from the LCF

E22 Paper transport jam from the 1st cassette

E23 Paper transport jam from the 2nd cassette

E24 Paper transport jam from the 3rd cassette

E25 Paper transport jam from the 4th cassette

Open the side door; does any paper remain in the paper path up to the registration roller?

YES

Remove the paper.

▼

Is the harness between the LGC board and the cassette-feed jam sensor open-circuited?

Is the harness between the LGC board and the registration sensor open-circuited?

Is the cassette-feed jam sensor connector, registration sensor connector, or the connectors

J107 or J108 on the LGC board disconnected?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the cassette-feed jam sensor or the registration sensor.

2. Replace the LGC board.

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4.1.4 Cover open jam

E41 Front cover opened during copying

* To avoid electrical hazards, the following checks must be made after unplugging the power

cord.

Is the front cover or the paper exit unit open?

YES

Close the front cover or the paper exit unit.

▼

Is the AC harness between the main switch, front cover switch, paper-exit unit switch and

switching power supply open-circuited?

Is any of the faston terminals (front cover switch, paper-exit unit switch, main switch) and the

connector J709 of the switching power supply disconnected?

YES

Reconnect the disconnected faston terminal or connector. Replace the defective

harness.

▼

1. Replace the front cover switch or the paper-exit unit switch.

2. Replace the main switch.

3. Replace the switching power supply.

E42 Side door opened during copying

Is the side door open?

YES

Close the side door.

▼

Is the harness between the LGC board and the side door open/close switch open-circuited?

Is the side door open/close switch connector or the connector J107 on the LGC board discon-

nected?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the side door open/close switch.

2. Replace the LGC board.

FC-22 TROUBLESHOOTING

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E43 ADU unit pulled out during copying

Is the ADU unit mounted securely on the copier?

Mount the ADU unit securely to the copier.

YES

▼

Is connector J103 on the LGC board disconnected?

Is the harness between the LGC board and the ADU drawer connector open-circuited?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the LGC board.

2. Replace the ADU unit.

E45 LCF jam access cover opened during copying

Is the LCF jam access cover open?

YES

Close the LCF jam access cover.

▼

Is the harness between the LGC board and the LCF unit open-circuited?

Is the relay connector of the harness between the LGC board and the LCF unit or the connector

J105 on the LGC board disconnected?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the LGC board.

2. Replace the LCF unit.

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E46 Bypass unit opened during copying

Is the bypass unit open?

YES

Close the bypass unit.

▼

Is the harness between the LGC board and the bypass unit open/close switch open-circuited?

Is the bypass unit open/close switch connector or the connector J107 on the LGC board dis-

connected?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the bypass unit open/close switch.

2. Replace the LGC board.

4.1.5 Paper jam in ADU and reversing area

E50 Paper not reaching the ADU

E51 Paper not restarting from the ADU stack

E54 ADU paper transport jam

Is the ADU unit mounted securely on the copier?

Mount the ADU unit securely to the copier.

YES

▼

Is the connector J103 on the LGC board disconnected?

Is the harness between the LGC board and the ADU drawer connector open-circuited?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the LGC board.

2. Replace the ADU unit.

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E52 Paper not reaching the ADU path sensor

Is the harness between the LGC board and the ADU path sensor open-circuited?

Is the ADU path sensor connector or the connector J122 on the LGC board disconnected?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the ADU path sensor.

2. Replace the LGC board.

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4.1.6 Original jam in the RADF

E71 Original not reaching the aligning sensor

E72 Original not reaching the exit sensor

E73 Original not passing the exit sensor

E75 Second original not reaching the aligning sensor in 2-in-1 mode

E79 Prefeed jam

[Two or more originals are fed simultaneously.]

Have too many originals been placed?

YES

Reset the originals, following the specification.

▼

Are the original sheets curled or folded too much?

YES

Flatten and reset the originals.

▼

Are different-size originals placed together?

YES

Set only one-size originals.

▼

Is the gap between the aligning plate and the feed roller too large?

YES

Adjust the gap.

▼

Is the separation pad stained?

YES

▼

Clean the separation pad.

FC-22 TROUBLESHOOTING

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[The original does not reach the aligning roller.]

Is the pick-up roller or feed roller stained?

YES

Clean the roller.

▼

Is the gap between the aligning plate and the feed roller too small?

YES

Adjust the gap.

▼

Is the transporting force of the pick-up roller or the feed roller insufficient?

YES

▼

Replace the rollers.

[The original stops, skewed on the original glass.]

Is the aligning roller stained?

YES

Clean the roller.

▼

Is the transport belt stained?

YES

Clean the belt.

▼

Is the RADF correctly installed?

▼

Properly install the RADF in parallel to the copier.

Make sure that the skew and height are properly adjusted.

[The side edges of the original are out of alignment with the side edges of the copy.]

Is the slides set too wide in relation to the width of the original?

YES

Align the slides with the width of the original.

▼

Shift the original feeding tray back or forth to adjust.

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4.1.7 Paper jam in the sorter

EA1 Paper transport delay jam

Is there any bur, scratch or foreign matter on the paper transport path?

YES

Remove any bur, scratch or foreign matter.

▼

Is the transport roller stained?

YES

Clean the transport roller.

▼

Are both non-sort paper sensor (PI4) and sort paper sensor (PI5) working normally?

Replace any faulty sensor.

YES

▼

Replace the sorter controller PC board.

EA2 Paper transport stop jam

Is there any bur, scratch or foreign matter on the paper transport path?

YES

Remove any bur, scratch or foreign matter.

▼

Is the transport roller stained?

YES

Clean the transport roller.

▼

Are both non-sort paper sensor (PI4) and sort paper sensor (PI5) working normally?

Replace any faulty sensor.

YES

▼

Replace the sorter controller PC board.

FC-22 TROUBLESHOOTING

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EA3 Paper remaining on the sorter transport path at power ON

Is there any dirt or foreign matter around the non-sort paper sensor (PI4) or the sort paper

sensor (PI5)?

YES

Remove any dirt or foreign matter.

▼

Are both non-sort paper sensor (PI4) and sort paper sensor (PI5) working normally?

YES

Replace any faulty sensor.

▼

Replace the sorter controller PC board.

EA4 Sorter front door opened during copying

Is the stapler unit cover securely closed?

Close the cover securely.

YES

▼

Is the sorter securely mounted on the copier?

Mount the sorter securely onto the copier.

YES

▼

Is the feed guide securely closed?

Close the feed guide securely.

YES

▼

Are the stapler cover open/close switch (MS5), joint switch (MS1) and feed guide open/close

switch (MS10) all working normally?

Replace any faulty switch.

YES

▼

Replace the sorter controller PC board.

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EA5 Staple jam

Is there any jammed staple or foreign matter in the stapling area of the stapler unit?

YES

Remove any jammed staple or foreign matter.

▼

Is there any mar or damage in the stapling area?

YES

Replace the stapler unit.

▼

Replace the sorter controller PC board.

FC-22 TROUBLESHOOTING

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4.1.8 Special sheet jam

EC2 OHP sheets used except from bypass and 2nd cassette

Use the 2nd cassette or the bypass as the feeding source of OHP sheets.

EC3 OHP sheet used in non-OHP mode

Set the specified type of paper as selected on the control panel in the paper source.

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4.1.9 Drive system related service call

C05 ADU motor rotation abnormal

Is the ADU motor rotating properly?

1. Check if the harness between the LGC board and the ADU drawer connector

is open-circuited.

2. Check if the harness between the switching power supply and the ADU drawer

connector is open-circuited.

YES

3. Check if any of the connectors J101, J102 and J103 on the LGC board is

disconnected.

4. Reduce the mechanical load on the motor by adjusting the drive system.

Remove foreign matter if any.

5. Replace the LGC board.

▼

Are the pins B2 and B4 of the connector J103 on the LGC board always at the level "L"?

1. Check if the connector J103 on the LGC board is disconnected.

2. Check if any conductor pattern on the LGC board is open- or short-circuited.

YES

3. Check if any harness is open-circuited or any connector pin is disconnected.

4. Replace the LGC board.

▼

1. Check if any conductor pattern on the LGC board is open- or short-circuited.

2. Replace the LGC board.

FC-22 TROUBLESHOOTING

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C09 Black developer motor rotation abnormal

Is the black developer motor rotating properly?

1. Check if the connectors CN1 or CN2 of the black developer motor is discon-

nected.

2. Check if the connector J108 on the LGC board is disconnected.

3. Check if the connector J703 of the switching power supply is disconnected.

4. Check if the harness between the LGC board and the black developer motor

is open-circuited.

5. Check if the harness between the switching power supply and the black de-

veloper motor is open-circuited.

YES

6. Check if any harness is open-circuited or any connector pin is disconnected.

7. Rotate the motor manually, counterclockwise as seen from its back, and if

the motor load is abnormal, remove any foreign matter from the drive unit.

(Do not try to rotate the motor clockwise as seen from its back.)

8. Replace the black developer motor.

9. Replace the LGC board.

▼

Are the pins B12 and B15 of the connector J108 on the LGC board always at the level "L"?

1. Check if the connector CN2 of the black developer motor is disconnected.

2. Check if the connector J108 on the LGC board is disconnected.

3. Check if any conductor pattern on the LGC board is open- or short-circuited.

4. Check if any harness is open-circuited or any connector pin is disconnected.

YES

5. Replace the LGC board.

6. Replace the black developer motor.

▼

1. Check if any conductor pattern on the LGC board is open- or short-circuited.

2. Replace the LGC board.

3. Replace the black developer motor.

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C0A Color developer motor rotation abnormal

Is the color developer motor rotating properly?

1. Check if the connector CN1 or CN2 of the color developer motor is discon-

nected.

2. Check if the connector J108 on the LGC board is disconnected.

3. Check if the connector J703 of the switching power supply is disconnected.

4. Check if the harness between the LGC board and the color developer motor

is open-circuited.

YES

5. Check if the harness between the switching power supply and the color de-

veloper motor is open-circuited.

6. Check if any harness is open-circuited or any connector pin is disconnected.

7. Rotate the motor manually, counterclockwise as seen from its back, and if

the motor load is abnormal, remove any foreign matter from the drive unit.

(Do not try to rotate the motor clockwise as seen from its back.)

8. Replace the color developer motor.

9. Replace the LGC board.

▼

Are the pins A12 and A15 of the connector J108 on the LGC board always at the level "L"?

1. Check if the connector J41 of the color developer motor is disconnected.

2. Check if the connector J108 on the LGC board is disconnected.

3. Check if any conductor pattern on the LGC board is open- or short-circuited.

4. Check if any harness is open-circuited or any connector pin is disconnected.

YES

5. Replace the LGC board.

6. Replace the color developer motor.

▼

1. Check if any conductor pattern on the LGC board is open- or short-circuited.

2. Replace the LGC board.

3. Replace the color developer motor.

FC-22 TROUBLESHOOTING

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C0B Drum motor K rotation abnormal

C0C Drum motor C rotation abnormal

C0D Drum motor M rotation abnormal

C0E Drum motor Y rotation abnormal

Before performing the following checks, be sure to place the transfer belt unit in a lowered position;

otherwise, the drums and the transfer belt would be damaged when you rotate the drum motor.

Is the drum motor rotating properly?

1. Check if the drum motor connector CN1 or CN2 is disconnected.

2. Check if the connector J116 on the LGC board is disconnected.

3. Check if the switching power supply connector J711 is disconnected.

4. Check if the harness between the LGC board and the drum motor is open-

circuited.

YES

5. Check if the harness between the switching power supply and the drum mo-

tor is open-circuited.

6. Check for any open-circuited harness or any disconnected connector pin.

7. Rotate the motor manually, counterclockwise as seen from its back, and if

the motor load is abnormal, adjust the load on the drum shaft inside the EPU.

Remove any foreign matter from the drive unit.

(Do not try to rotate the motor clockwise as seen from its back.)

8. Replace the LGC board.

9. Replace the drum motor.

▼

Are the pins (K: 22 pin, C: 28 pin, M: 9 pin, Y: 3 pin) of the connector J116 on the LGC board

always at the level "L", and the LEDs (K: D4, C: D3, M: D2, Y: D1) on the LGC board always lit?

1. Check if the drum motor connector CN2 is disconnected.

YES

2. Check if the connector J116 on the LGC board is disconnected.

3. Check if any conductor pattern on the LGC board is open- or short-circuited.

4. Check if any harness is open-circuited or any connector pin is disconnected.

5. Replace the LGC board.

6. Replace the drum motor.

▼

1. Check if any conductor pattern on the LGC board is open- or short-circuited.

2. Replace the LGC board.

3. Replace the drum motor.

4 - 19

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4.1.10 Paper feeding system related service call

C11 ADU paper side guide function abnormal

Is the ADU unit mounted securely on the copier?

Mount the ADU unit securely onto the copier.

YES

▼

Is the timing belt for driving the paper side guide displaced?

YES

Put the belt on properly.

▼

Is the connector J103 on the LGC board disconnected?

Is the harness between the LGC board and the ADU drawer connector open-circuited?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the LGC board.

2. Replace the ADU unit.

C12 ADU paper end guide function abnormal

Is the ADU unit mounted securely on the copier?

Mount the ADU unit securely onto the copier.

YES

▼

Is the timing belt for driving the paper end guide displaced?

YES

Put the belt on properly.

▼

Is the connector J103 on the LGC board disconnected?

Is the harness between the LGC board and the ADU drawer connector open-circuited?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the LGC board.

2. Replace the ADU unit.

FC-22 TROUBLESHOOTING

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C13 1st cassette tray function abnormal

C14 2nd cassette tray function abnormal

C15 3rd cassette tray function abnormal

C16 4th cassette tray function abnormal

Is the cassette installed properly in the copier?

Install the cassette properly into the copier.

YES

▼

Is the harness between the LGC board and the cassette tray-up limit sensor open-circuited?

Is the harness between the LGC board and the cassette tray-up motor open-circuited?

Is the harness between the LGC board and the paper-size switch open-circuited?

Is the cassette tray-up limit sensor connector, cassette tray-up motor connector, paper-size

switch connector or connector J106 on the LGC board disconnected?

Is the peg of the paper-size switch broken?

YES

1. Reconnect the connector.

2. Replace any defective harnesses.

3. Replace the paper-size switch.

▼

Is the gear of the cassette tray-up motor unit broken?

YES

Replace the gear.

▼

1. Replace the cassette tray-up motor.

2. Replace the cassette tray-up limit sensor.

3. Replace the paper feed unit.

4. Replace the LGC board.

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C18 LCF tray function abnormal

Is the harness between the LGC board and the LCF unit open-circuited?

Is the relay connector of the harness between the LGC board and the LCF unit or the connector

J105 on the LGC board disconnected?

YES

Reconnect the connector. Replace the harness.

▼

Do the switches and sensors in the LCF unit function?

YES

1. Replace the LCF tray motor.

2. Replace the LGC board.

▼

1. Replace any faulty sensor or switch in the LCF unit.

2. Replace the LCF drive PC board or the LCF tray-down switch PC board.

3. Replace the LGC board.

FC-22 TROUBLESHOOTING

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4.1.11 Scanner related service call

C27 Carriage home position sensor not turning OFF within a fixed time

C28 Carriage home position sensor not turning ON within a fixed time

Remove the original glass, move the carriage to the paper feed side, turn ON the power

switch, and then proceed to check the following items.

C27 Is the carriage stuck at a point other than the home position?

YES

Check the SCM and SDV boards for any abnormal circuit.

1. Check if any connector pin is disconnected, or any harness is open- or short-

circuited.

2. Check the scan motor drive pulley if its screws are loose.

3. Check if any conductor pattern on the SDV board is open- or short-circuited.

4. Check if any conductor pattern on the SCM board is open- or short-circuited.

5. Replace the SDV board.

6. Replace the SCM board.

C28 Does the carriage, after arriving at its home position, make a big noise?

YES

Since the carriage home position sensor has not been turned ON,

1. Check if the sensor connector is disconnected.

2. Check the SDV and SCM boards for any abnormal circuit.

Since the carriage has been stopped at its home position but does not move,

1. Check if any connector pin is disconnected, or any harness is open- or short-

circuited.

2. Check if any conductor pattern on the SDV board is open- or short-circuited.

3. Check if any conductor pattern on the SCM board is open- or short-circuited.

4. Replace the SDV board.

5. Replace the SCM board.

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C29 Exposure lamp disconnection detected

Does the exposure lamp light?

1. Check the CCD and SCM boards for any disconnected connector.

YES

2. Check the shading correction plate of the original-width indicator unit if it is

dusty.

3. Check the CCD board for any open- or short-circuited conductor pattern.

4. Check the SCM board for any open- or short-circuited conductor pattern.

5. Replace the lens unit.

6. Replace the SCM board.

▼

1. Check if the lamp connector is disconnected.

2. Check if the thermostat is blown out.

3. Check if the lamp has continuity.

4. Check the SCM board if any pin of connectors J7-B1, -B2, -B4, -B5 and -B6 is disconnected

or any harness is open- or short-circuited.

5. Check the SCM board for any open- or short-circuited conductor pattern.

6. Replace the SCM board.

7. Replace the lamp regulator.

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4.1.12 Copy process related service call

C31 Used toner transport motor rotation abnormal

Is the harness between the LGC board and the used toner transport motor open-circuited?

Is the connector J122 or J102 on the LGC board, the relay connector or the used toner trans-

port motor connector disconnected?

YES

Replace the harness. Reconnect the connectors.

▼

Is used toner jammed? Is any abnormal mechanical load found?

YES

1. Remove the jammed used toner.

2. Check for any foreign matter in the drive system.

3. Check the bearing of the used toner transport auger for any abnormality.

4. Check if the toner bag is covered with used toner.

▼

1. Replace the used toner transport motor.

2. Replace the LGC board.

* Since the used toner jamming can cause a serious damage to EPU, be sure to check that the

EPU functions normally.

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C33 Developer removal shutter function abnormal

Reduce the mechanical load by adjusting the drive system. Remove any foreign matter.

▼

Is the harness between the LGC board and the developer removal shutter open/close motor

open-circuited?

Is any of the connectors J115 and J102 on the LGC board and the developer removal shutter

open/close motor connector disconnected?

YES

Replace the harness. Reconnect the connector.

▼

1. Replace the developer removal shutter open/close motor.

2. Replace the LGC board.

C35 Transfer belt unit contact/release function abnormal

Reduce the mechanical load by adjusting the drive system. Remove any foreign matter.

▼

Is the harness between the LGC board and the transfer/transport unit drawer connector, or the

harness inside the transfer/transport unit open-circuited?

Is the transfer belt contact/release drive motor connector, LGC board connectors J115 or J102,

transfer belt home position switch connector, or transfer belt limit switch connector discon-

nected?

Is the transfer belt home position switch or the transfer belt limit switch defectively installed?

YES

1. Replace the harness. Reconnect the connector.

2. Reinstall the transfer belt home position switch or the transfer belt limit switch

securely.

▼

1. Replace the transfer belt home position switch and the transfer belt limit switch.

2. Replace the transfer belt contact/release drive motor.

3. Replace the LGC board.

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C37 Transfer belt motor rotation abnormal

Before performing the following checks, be sure to place the transfer belt unit in a lowered position;

otherwise, the drums and the transfer belt would be damaged when you rotate the drum motor.

Is the transfer belt motor rotating properly?

1. Check if the connector CN1 or CN2 of the transfer belt motor is disconnected.

2. Check if the connector J116 on the LGC board is disconnected.

3. Check if the connector J711 of the switching power supply is disconnected.

4. Check if the harness between the LGC board and the transfer belt motor is

open-circuited.

YES

5. Check if the harness between the switching power supply and the transfer

belt motor is open-circuited.

6. Check for any open-circuited harness or for any disconnected connector pin.

7. Rotate the motor manually, clockwise as seen from its back, and if the motor

load is abnormal, adjust the load on the transfer belt unit. Remove any for-

eign matter from the drive unit.

8. Replace the LGC board.

9. Replace the transfer belt motor.

▼

Is the pin 15 of connector J116 on the LGC board always at the level "L", and is the D5 of LED

on the LGC board lit?

1. Check if the connector CN2 of the transfer belt motor is disconnected.

2. Check if the connector J116 on the LGC board is disconnected.

3. Check the LGC board for any open- or short-circuited conductor pattern.

4. Check for any open-circuited harness and for any disconnected connector

YES

pin.

5. Replace the LGC board.

6. Replace the transfer belt motor.

▼

1. Check the LGC board for any open- or short-circuited conductor pattern.

2. Replace the LGC board.

3. Replace the transfer belt motor.

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C38 Auto toner initializing error (K)

C39 Auto toner initializing error (C)

C3A Auto toner initializing error (M)

C3B Auto toner initializing error (Y)

Is the harness between the LGC board and the EPU drawer connector open-circuited?

Is any harness inside the EPU or the auto toner sensor harness open-circuited?

Is the auto toner sensor connector or the connector J119 on the LGC board disconnected?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the auto toner sensor.

2. Replace the LGC board.

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C3C Main charger wire abnormal (K)

C3D Main charger wire abnormal (C)

C3E Main charger wire abnormal (M)

C3F Main charger wire abnormal (Y)

Is the harness between the LGC board and the EPU drawer connector or any harness inside

the EPU open-circuited?

Is the wire cleaner drive motor connector, the connector J119 on the LGC board, the connector

of the wire cleaner home position switch, or the connector of the wire cleaner limit switch dis-

connected?

Is the wire cleaner home position switch or the wire cleaner limit switch defectively installed?

YES

1. Reconnect the connector. Replace the harness.

2. Reinstall the wire cleaner home position switch or the wire cleaner limit switch

securely.

▼

Is the main charger dislocated?

Is the wire cleaner home position switch or the wire cleaner limit switch disconnected?

YES

1. Reinstall the main charger.

2. Reconnect the wire cleaner home position switch.

3. Reconnect the wire cleaner limit switch.

▼

Is the mechanical load too heavy?

YES

1. Check if the cleaning pad is in normal contact with the main charger wire.

2. Eliminate any foreign matter present in the drive system.

3. Check if any movable component is abnormally worn.

4. Clean the wire cleaner drive auger and remove stains or foreign matters.

5. Clean the slidable surface of the charger case and remove stains or foreign

matters.

▼

1. Replace the wire cleaner home position switch or the wire cleaner limit switch.

2. Replace the wire cleaner drive motor.

3. Replace the LGC board.

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4.1.13 Fuser unit related service call

C41 Thermistor or heater abnormal when warming-up is started

* To avoid any safety hazards, be sure to unplug the power cable before proceeding to check items

in 1. and 2. below.

* Be sure that the fuser unit is set in place securely.

1. Checking the thermistors

(1) Is any thermistor connector disconnected?

(2) Are the thermistors (upper and lower, center and rear) in proper contact with the upper and lower

fuser rollers?

(3) Is the harness for the thermistors (upper and lower, center and rear) open-circuited?

2. Checking the fuser lamps and SSR

(1) Check if the upper or lower fuser lamp is open-circuited.

(2) Check if the upper or lower fuser lamp connector is disconnected.

(3) Check if the thermostat is blown out.

(4) Check if the upper fuser roller or lower fuser roller SSR connector is disconnected.

(5) Check if the AC harness is open-circuited.

(6) Check if SSR or the switching power supply is broken.

3. Checking the LGC board

(1) Check the LGC board if the connector J122 is disconnected.

(2) Check the LGC board for any abnormal condition, such as an open- or short-circuited conductor

pattern.

(3) Replace the LGC board.

4. Clearing the status counter

After completing the repair of what caused the problem C41 , proceed to do the following:

(1) While pressing [0] and [8] simultaneously, turn ON the power.

(2) Enter [700] with digital keys, then press the START key.

(3) Rewrite [1] or [2] displayed on the status counter to [0], then press the INTERRUPT key ( C41

cleared).

(4) Turn OFF the power and then back it ON again, and make sure that the copier gets ready normally.

C42 Thermistor abnormal after the copier becomes ready

1. Checking the thermistors, fuser lamps, SSR and LGC board.

Check the thermistors, fuser lamps, SSR and LGC board, using the same procedure as in 1, 2 and 3

of C41 .

2. Clearing the status counter

Since [6] is shown on the status counter, rewrite it to [0] using the same procedure as in 4 of C41 .

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C43 Thermistor abnormal during warming-up after abnormality judgment

1. Checking the thermistors, fuser lamps, SSR and LGC board

Check the thermistors, fuser lamps, SSR and LGC board, following the same procedure as in 1, 2 and

3 of C41 .

2. Clearing the status counter

Since [4] is shown on the status counter, rewrite it to [0], following the same procedure as in 4 of

C41 .

C44 Heater abnormal during warming-up after abnormality judgment

1. Checking the thermistors, fuser lamps, SSR and LGC board

Check the thermistors, fuser lamps, SSR and LGC board, following the same procedure as in 1, 2 and

3 of C41 .

2. Clearing the status counter

Since [5] is shown on the status counter, rewrite it to [0], following the same procedure as in 4 of

C41 .

C46 Heater abnormal (low temperature) after the copier has become ready

1. Checking the thermistors, fuser lamps, SSR and LGC board

Check the thermistors, fuser lamps, SSR and LGC board, following the same procedure as in 1, 2 and

3 of C41 .

2. Clearing the status counter

Since [7] is shown on the status counter, rewrite it to [0], following the same procedure as in 4 of

C41 .

C47 Rear thermistor abnormal after the copier has become ready

1. Checking the thermistors, fuser lamps, SSR and LGC board

Check the thermistors, fuser lamps, SSR and LGC board, following the same procedure as in 1, 2 and

3 of C41 .

2. Clearing the status counter

Since [8] is shown on the status counter, rewrite it to [0], following the same procedure as in 4 of

C41 .

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C48 Heater abnormal (high temperature)

1. Checking the thermistors, fuser lamps, SSR and LGC board

Check the thermistors, fuser lamps, SSR and LGC board, following the same procedure as in 1, 2 and

3 of C41 .

2. Clearing the status counter

Since [9] is shown on the status counter, rewrite it to [0], following the same procedure as in 4 of C41 .

C7 Error C7

* To avoid any safety hazards, be sure to unplug the power cord before proceeding to check the

items in 1. and 2. below.

* Be sure that the fuser unit is set in place securely.

1. Check if any thermistor connector is disconnected.

2. Check if any harness for the thermistors (center and rear, upper and lower) is open-circuited.

3. Check the LGC board if the connector J122 is disconnected.

4. After completing the repair of what caused the C7 problem, proceed to rewrite the status counter

to [0], following the same procedure as for C41 .

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4.1.14 Communications related service call

C57 Communications error between Main-CPU and Sorter-CPU

1. Check if a sorter other than specified is attached.

2. Check the LGC board if any conductor pattern around IC88, IC89, IC96 or J123 is open- or short-

circuited.

3. Check the IPC board for any open- or short-circuited conductor pattern.

4. Check the harness connected to the connector J2 on the IPC board for any disconnected pin or

any open-circuit.

5. Check if the switching power supply fuse F9 is blown out.

6. Check the controller PC board inside the sorter for any open- or short-circuited conductor pattern.

7. Check the connection between the sorter and the copier for any disconnected connector pin or for

any open-circuited harness.

8. Replace the IPC board.

9. Replace the LGC board.

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C5A Communications error between Main-CPU and printer controller

<<For a built-in type printer controller>>

1. Check if the printer controller unit is securely mounted on the copier.

2. Check if the harness between the LGC and IMC boards is open-circuited, and if the connector

J113 on the LGC board and the connector J168 on the IMC board are disconnected.

3. Check if the harness between the switching power supply and the printer controller is open-circuited.

4. Check if the connector J710 of the switching power supply is disconnected.

5. Check the IMC and LGC boards for any open- or short-circuited conductor pattern.

6. Replace the LGC board.

7. Replace the IMC board.

<<For an external type printer controller>>

1. Check if the printer controller power is turned ON.

2. Check if the harness between the PIF board and the printer controller is open-circuited.

3. Check if the PIF board is firmly connected to the IMC board.

4. Check if the harness between the LGC and IMC boards is open-circuited, and if the connector

J113 on the LGC board and the connector J168 on the IMC board are disconnected.

5. Check the PIF, IMC and LGC boards for any open- or short-circuited conductor pattern.

6. Replace the PIF board.

7. Replace the LGC board.

8. Replace the IMC board.

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C5B Main-CPU signal transmission error to IMC-CPU

C5C Main-CPU signal reception error from IMC-CPU

1. Check if the harness between the LGC and IMC boards is open-circuited, and if the connector

J113 on the LGC board and the connector J168 on the IMC board are disconnected.

2. Replace the LGC board.

3. Replace the IMC board.

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4.1.15 ADF related service call

C72 Error of aligning sensor automatic adjustment

1. Check if any foreign matter is present between the aligning sensor and the reflecting mirror, and if

the reflecting mirror is stained.

2. Check if the harness between the aligning sensor and PWA-F-LGC-770 is open-circuited.

3. Check PWA-F-LGC-770 for any open- or short-circuit around IC1, IC14 and CN14.

4. Replace the aligning sensor.

5. Replace PWA-F-LGC-770.

6. Initialize the RADF's EEPROM and perform the sensor automatic adjustment.

C73 EEPROM initializing error

1. Check PWA-F-LGC-770 if any open- or short circuit is present around IC7.

2. Replace PWA-F-LGC-770.

3. Initialize the RADF's EEPROM and perform the sensor automatic adjustment.

C74 Error of exit sensor automatic adjustment

1. Check if any foreign matter is present between the exit sensor and the reflecting mirror, and if the

reflecting mirror is stained.

2. Check if the harness between the exit sensor and PWA-F-LGC-770 is open-circuited.

3. Check PWA-F-LGC-770 for any open- or short-circuit around IC1, IC14 and CN14.

4. Replace the exit sensor.

5. Replace PWA-F-LGC-770.

6. Initialize the RADF's EEPROM and perform the sensor automatic adjustment.

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4.1.16 Other service calls

C94 Main-CPU abnormal

Is "Call for service" displayed again even after the copier is turned OFF and then back ON?

YES

Observe the condition for a while.

▼

1. Check if the conductor pattern between Main CPU (IC84) and MROM (IC56) is open- or

short-circuited.

2. If this problem recurs frequently, replace the LGC board.

C9A Main memory abnormal

Is "Call for service" displayed again even after the copier is turned OFF and then back ON?

Observe the condition for a while.

YES

▼

1. Check if the conductor pattern between the main CPU (IC84), MROM (IC56), SRAM (IC41,

IC42) and BC-RAM (IC55) is open- or short-circuited.

2. If this problem recurs frequently, replace the LGC board.

C9E IMC board connection abnormal

Is "Call for service" displayed again even after the copier is turned OFF and then back ON?

Observe the condition for a while.

YES

▼

1. Check if the IMC board and the SIC board are firmly connected to the MTH board.

2. Check the IMC board if the connectors J168, J162, J169, J165, J166 or J161 is disconnected.

3. Check the SIC board if the connector J182 is disconnected.

4. Check the SCM board if the connector J1 is disconnected.

5. Check if the harness connected to the IMC board is open- or short-circuited or if any con-

nector pin is disconnected.

6. Check if the harness between the SCM and SIC boards is open-circuited or if any connector

pin is disconnected.

7. If this problem recurs frequently, replace the IMC board.

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4.1.17 Laser optical unit related service call

CA1 Polygonal motor rotation abnormal

Is the polygonal motor rotating?

YES

1. Check if the polygonal motor connector is disconnected.

2. Check the IMC board if connectors J166 or J161 are disconnected.

3. Check for any open-circuited harness or disconnected connector pin.

4. Check the IMC board for any open- or short-circuited conductor pattern.

5. Replace the IMC board.

6. Replace the laser optical unit.

▼

Are both A2 and A3 pins of the connector J166 on the IMC board always at the level "L"?

1. Check the IMC board for any open- or short-circuited conductor pattern.

2. Replace the IMC board.

3. Replace the laser optical unit.

YES

▼

1. Check the IMC board for any open- or short-circuited conductor pattern.

2. Replace the IMC board.

3. Replace the laser optical unit.

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CA2 H-SYNC abnormal

Is the polygonal motor rotating?

Refer to CA1 , "Polygonal motor rotation abnormal".

YES

▼

Are both A2 and A3 pins of the connector J166 on the IMC board always at the level "L"?

Refer to CA1 , "Polygonal motor rotation abnormal".

YES

▼

Is the harness between the RLY and IMC boards open-circuited?

Are the connector J166 on the IMC board or the connector J180 on the RLY board discon-

nected?

YES

Replace the harness. Reconnect the connectors.

▼

1. Replace the IMC board.

2. Replace the laser optical unit.

CD1 Laser calibration error (K)

CD2 Laser calibration error (C)

CD3 Laser calibration error (M)

CD4 Laser calibration error (Y)

1. Check if the harness between the IMC and RLY boards is open-circuited.

2. Check if the connector J162 on the IMC board is disconnected.

3. Check if the connector J178 on the RLY board is disconnected.

4. Check if the harness between the RLY board and the switching power supply is open-circuited.

5. Check if the connector J179 on the RLY board is disconnected.

6. Check if the connector J161 on the IMC board is disconnected.

7. Check the switching power supply if the connector J705 or J707 is disconnected.

8. Check the RLY board if the harness of the connector J174 (Y), J175 (M), J176 (C) or J177 (K) is

open-circuited.

9. Replace the IMC board.

10. Replace the laser optical unit.

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4.1.18 Sorter related service call

CC1 Transport motor rotation abnormal

After setting the DIP switch (SW1) on the sorter controller board, as shown

on the right, when you press the push switch SW2 or SW3, will the transport

motor (M1) start rotating? (To stop the motor, press the switch again.)

Disconnect J6 on the sorter controller board. Does the resistance between J6-1

YES

and J6-2 on the harness side measure approx. 5Ω?

Check the wiring up to the transport motor.If it is normal, replace

YES

the transport motor.

▼

When manual stapling is done or when the push switch SW2 or SW3 on the

sorter controller board is pressed, does the voltage between J6-1 (+) and J6-2

(–) on the controller board measure approx. 24V?

Replace the sorter controller board.

YES

▼

Reinstall the sorter firmly.

▼

When the transport motor is rotated manually, does the voltage between J5-4 (+) and J5-5 (–)

change to 0V or 5V alternately?

Replace the transport motor clock sensor (PI6).

YES

▼

Replace the sorter controller board.

FC-22 TROUBLESHOOTING

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CC3 Bin-shift motor rotation abnormal

When the push switch SW2 or SW3 on the sorter controller board is pressed, does the bin unit

move upward (or downward)?

YES

Replace the lead-cam home position sensor (PI2).

▼

While the above procedure is proceeding, does the bin-shift motor rotate?

Check if the lead-cam drive belt is properly fitted on the sprocket.

YES

▼

Disconnect J15 on the sorter controller board. Does the resistance between J15-5 and J15-6

on the harness side measure approx. 3Ω?

Check the wiring up to the bin-shift motor (M2). If it is normal, replace the bin-

shift motor (M2).

YES

▼

Connect J15 on the sorter controller board. Having tester probes touch J15-5 (+) and J15-6

(–), press SW2; does the tester's pointer swing?

Replace the sorter controller board.

YES

▼

Replace the bin-shift motor (M2).

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CC4 Guide bar swing motor rotation abnormal

At the time the guide bar swings, does pulse output occur on J13-3 to J13-6 on the sorter

controller board? In addition, does the voltage between J13-1 and J13-2 show 24V?

YES

Check the wiring up to the guide bar swing motor (M3). If it is normal, replace the

guide bar swing motor.

▼

Is a voltage of 24V being supplied from the copier?

YES

Replace the sorter controller board.

▼

Check the 24V-power supply of the copier.

CC5 Stapler-unit swing motor rotation abnormal

At the time the stapler unit swings, does the voltage between J9-1 (+) and J9-2 (–) on the sorter

controller board show 24V?

Is a voltage of 24V being supplied from the copier?

Check the 24V-power supply of the copier.

YES

▼

Replace the sorter controller board.

YES

▼

Is stapler-unit swing switch (MS9) working normally?

Replace the stapler-unit swing switch (MS9).

YES

▼

Does the resistance between J9-1 and J9-2 on the harness side measure approx. 25Ω?

Replace the stapler-unit swing motor (M5).

YES

▼

Replace the sorter controller board.

FC-22 TROUBLESHOOTING

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CCA Automatic adjustment error of bin inside paper sensor

After having retried automatic adjustment of the bin inside paper sensor, is there any abnormal-

ity found?

Complete.

YES

▼

Is the connector J12 on the sorter controller board connected normally?

Insert the connector J12 properly.

YES

After having tried automatic adjustment of the bin inside paper

sensor, is there any abnormality found?

Complete.

YES

▼

Replace the sorter controler board.

After having tried automatic adjustment of the bin inside paper sensor, is there

any abnormality found?

Complete.

YES

▼

Check if the bin inside paper sensor is installed securely.

After having tried automatic adjustment of the bin inside paper sensor, is there

any abnormality found?

Complete.

YES

▼

Replace the bin inside paper sensor.

After having tried automatic adjustment of the bin inside paper sensor, is there

any abnormality found?

YES

Complete.

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CCC No power being supplied

Are the signal cords J1 and J20 connected correctly?

Correct the wiring.

YES

▼

Does the circuit breaker (CB2) on the sorter controller board function normally?

YES

Press the circuit breaker.

▼

Is the fuse blown out?

YES

Replace the fuse.

▼

Using the 50V (DC) tester range, measure the voltage between J1-1 (+) and J1-2 (–) on the

sorter controller board; does it show approx. 24V?

Check the copier’s 24V-power supply.

YES

▼

Using the 50V (DC) tester range, measure the voltage between J1-3 (+) and J1-4 (–) on the

sorter controller board; does it show approx. 24V?

Check the copier’s 24V-power supply.

YES

▼

Replace the sorter controller board; is the power supplied normally?

Replace the copier’s DC controller board.

YES

▼

Complete.

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4.1.19 Image quality related service call

(1) After checking CE1 , CE2 and CE4 , and taking appropriate action, perform the following steps.

1. While pressing [0] and [5] simultaneously, turn ON the power.

2. Enter [878] with digital keys, and then press the [START] key.

3. Turn OFF and then back ON the power, and check that the copier will become ready normally.

(2) After confirming the items in (1), perform the following steps.

1. While pressing [0] and [8] simultaneously, turn ON the power.

2. Enter [415] with digital keys, and then press the [START] key.

3. Rewrite the displayed status counter from [1], [2] or [3] to [0], and then press the [INTER-

RUPT] key.

4. Enter [416] with digital keys, and then press the [START] key.

5. Rewrite the displayed status counter from [1], [2] or [3] to [0], and then press the [INTER-

RUPT] key.

6. Enter [417] with digital keys, and then press the [START] key.

7. Rewrite the displayed status counter from [1], [2] or [3] to [0], and then press the [INTER-

RUPT] key.

8. Enter [418] with digital keys, and then press the [START] key.

9. Rewrite the displayed status counter from [1], [2] or [3] to [0], and then press the [INTER-

RUPT] key.

10. Turn OFF and then back ON the power, and check that the copier will become ready normally.

CE1 Image quality sensor abnormal (OFF level)

Is the connector of the image quality sensor, or the connector J113, J114, J115 or J118 on the

LGC board, or the connector J168 on the IMC board disconnected?

Is the harness between the LGC board and the image quality sensor, or the harness between

the LGC board and the IMC board, or the harness between the LGC board and the switching

power supply open-circuited?

YES

Reconnect the connector. Replace the harness.

▼

Is LED (D21) on the LGC lit? Is the output voltage from the 12V-power supply normal?

YES

Check the power supply system and replace the switching power supply.

▼

1. Replace the image quality sensor.

2. Replace the LGC board.

3. Replace the IMC board.

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CE2 Image quality sensor (no pattern level)

1. Check that the transfer belt unit is fully raised.

2. Check that the transfer belt unit is fully mounted inward.

3. Check for any abnormal stain, large scar or fray on the transfer belt surface.

4. Check that the drum and transfer belt are rotating. If abnormal, repair any mechanical prob-

lem.

Is any of the connectors J113, J114, J115,J118 or J122 on the LGC board disconnected?

Is the connector J168 on the IMC board disconnected?

Is the harness between the LGC board and the IMC board open-circuited?

Is the connector of the image quality sensor disconnected or stained?

Is the harness between the LGC board and the image quality sensor open-circuited?

Is the main high-voltage transformer connector disconnected?

Is the harness between the LGC board and the main high-voltage transformer open-circuited?

Is the transfer transformer connector disconnected?

Is the harness between the LGC board and the transfer transformer open-circuited?

Is any of the high-voltage contact points of the transfer belt unit in faulty contact? Is any contact

points stained?

Is the harness of the main high-voltage transformer or the transfer transformer disconnected or

open-circuited?

YES

Reconnect the connector. Replace the harness. Do necessary cleaning.

Repair the high-voltage contact point.

▼

Is LED (D21) on the LGC board lit? Is the output voltage from the 12V-power supply normal?

YES

Check the power supply system, and replace the switching power supply.

▼

1. Replace the image quality sensor.

2. Replace the LGC board.

3. Replace the IMC board.

FC-22 TROUBLESHOOTING

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CE4 Image quality control test pattern abnormal

(1) Check 08-415 to 418 [Abnormal detection counter Y to K (display/0 clearing)] and check

which color is in error (the value of the color in error is other than 0).

▼

(2) Check 05-819 [Output value indication of image quality sensor/Low density pattern] and

check whether the value of the color in error (the color checked in (1)) is under 300.

Under 300

Transfer belt cleaning defective

300 or

above

▼

Check transfer belt and if a cleaning defect is found,

check around the transfer belt cleaning blade to correct it.

▼

Go to (7).

▼

(3) Set 08-401 [Image quality control 2] to [0](disabled).

(4) Specify the color in error (the color checked in (1)) on 04-231 [Gradation check pattern] and

check the output image if there is any error (image lacking, white paper, solid over the whole

page, etc.).

Image error(s)

exists

Correct the items related to the image. If OK, go to (6)

No image

errors

▼

(5) Sensor fault: Replace image quality sensor.

▼

(6) Change 08-401 [Image quality control 2] back to [1](enabled) if it is [0].

(7) Perform 05-878 [Forced performing of image quality control] to check that it completes

normally (that it does not generate the error [CE4]).

(8) Clear all of 08-415 to 418 [Abnormal detection counter Y to K (display/0 clearing)].

(9) Perform 05-879 [Automatic initialization of image quality control] (only when replacing

specified parts; see Chapter 1.5).

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CE5 Temperature/humidity sensor upper-limit abnormal

Is the harness between the LGC board and the temperature/humidity sensor disconnected ?

Is the LGC board connector J112 or the temperature/humidity sensor connector disconnected ?

YES

Reconnect the connector. Replace the harness.

▼

1. Replace the temperature/humidity sensor.

2. Replace the LGC board.

CF1 Color registration control abnormal

1. While pressing [0] and [5] simultaneously, turn the power ON.

2. Input [461] with digital keys and press [START].

3. The four values of the color registration control result are displayed (Y(0), M(1), C(2), K(3)).

4. Check the value for Y(0) displayed in 3.

When [CF1] is generated, a value from 1 to 15 is displayed (normal if 0 or 16 or above).

1-14: Data error (color registration sensor is normal)

15: Reading error of color registration test pattern

5. While pressing [0] and [8] simultaneously, turn the power ON.

6. Input [742] with digital keys and press [START].

7. Set the color registration control setting to [1](manual).

8. Input [743] with digital keys and press [START].

9. Set the color registration control for warming-up to [0](disabled).

10.Turn the power OFF.

11.While pressing [0] and [5] simultaneously, turn the power ON.

12.Input [407] with digital keys and press [START]. This will result in forced performing of color

registration control.

* At this time, use a digital tester to monitor the test point TP91 (front color registration

sensor output) and TP93 (rear color registration sensor output) on the LGC board.

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– If they are normal –

Before starting the color registration control forced performing, a voltage of approxi-

mately 0.7V DC is displayed.

After starting it, the voltage changes to approximately 4.4V DC, and this may drop

instantaneously down to 0.7V DC. (There may be no fluctuations in voltage, depending

on the reaction speed of the digital tester.)

When the color registration control forced performing ends, it returns to a voltage of

approximately 0.7V DC.

Voltage before color registration control forced performing

DC 0.7V

DC 0V

Normal

Check if there is any disconnection or short-circuit of harness

between LGC board and color registration sensor, or harness

between LGC board and IMC board. Inspect connector section

(J168 on IMC board, J113 and J114 on LGC board, connector

on color registration sensor).

If there is no abnormality, check color registration sensor.

Check if there is any disconnection or short-circuit of harness

between LGC board and color registration sensor. Inspect con-

nector section (J113 and J114 on LGC board, connector on color

registration sensor).

DC 5V

DC 4.4V

Check if there is any disconnection or short-circuit of harness

between LGC board and color registration sensor or harness

between LGC board and IMC board. Inspect connector section

(J168 on IMC board, J113 and J114 on LGC board, connector

on color registration sensor)

If there is no abnormality, check color registration sensor.

Voltage during color registration control forced performing

Normally DC 4.4V.

Instantaneously

may drop down to

0.7V DC

Normally DC 0.7V

Check if there is any charge defects or exposure errors onto the

photoconductive drum (errors in the laser optical unit). Follow the

next check item 13. and after.

Normally DC 4.4V

Reading defect of color registration test pattern. Follow the next

check item 13. and after.

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13.While pressing [0] and [5] simultaneously, turn the power ON.

14.Input [1] with digital key and press [SETTINGS].

15.Check that there is no image density difference among the front/center/rear areas of the

output grid pattern for each of yellow, magenta, cyan and black. Check that there is no

abnormality in the overall image.

* At this point, there is no problem if theY, M, C and K grid patterns are out of alignment.

– If there is difference in tonal balance between front and rear area –

• Check the state of contact of the photoconductive drum and the transfer belt.

• Check the quantity of developer (check whether developer material is properly sup-

plied onto the surface of the developer sleeve).

– If there is any yellow, magenta, cyan or black streak in the secondary scanning direc-

tion –

• Check if there is any stain or dust on the main charger wire that corresponds to the

color of the streak.

– If there is any white streak in the secondary scanning direction –

• Check if there is any stain or dust on the slit glass of the laser optical unit.

– If the entire page is solid in a specific color –

• Defect in main high-voltage transformer corresponding to that color or defect in the

laser optical unit.

Of the four main high-voltage transformers, replace the main high-voltage trans-

former considered to be defective with other main high-voltage transformer consid-

ered to be normal, and then output the chart again.

If the solid color over the entire page changes as the result of replacing the main

high-voltage transformer, that main high-voltage transformer replaced is defective.

If the solid color over the entire page does not change, check whether there is any

disconnection of the harness between the LGC board and the main high-voltage

transformer or any defects in the power supply to the main charger (disconnection

of high-voltage harness or contact defects). if there is no problem, check the laser

optical unit.

If the density is low on both front and rear sides and any of the above abnormalities are not

found, make the following check.

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16.While pressing [0] and [5] simultaneously, turn the power ON.

17.Input [4] with digital key and press [SETTINGS].

18.Check the output gradation images for gamma adjustment if there is any abnormality in

yellow, magenta, cyan and black.

– If there are any abnormalities –

1 Check if the drum and transfer belt are rotating. If not, correct any mechanical prob-

lems.

2 Check if the transfer belt unit is set fully upward.

3 Check if the transfer belt unit is set fully inside.

4 Check the surface of the transfer belt for any abnormal stain, large scar or tear.

5 Check if the connector of the transfer transformer is disconnected.

6 Check if the high-voltage harness of the main high-voltage transformer/transfer is

disconnected.

7 Check the harness between the LGC board and the transfer transformer if it is open-

circuited.

8 Check the high-voltage contact of the transfer belt unit if it is contacting properly or if

it is not dirty.

9 Check if the high-voltage harness is disconnected.

0 Check if the connector J113, J114 or J118 on the LGC board is disconnected.

!¡ Check if the connector J166 or J168 on the IMC board is disconnected.

!™ Check if the harness between the LGC board and the color registration sensor is

open-circuited.

!£ Check if the color registration sensor connector is disconnected.

!¢ Check if the main high-voltage transformer connector is disconnected.

!∞ Check if the harness between the LGC board and the main high-voltage transformer

is open-circuited.

!§ Replace the transfer transformer.

!¶ Replace the main high-voltage transformer.

19. Check the sensor detection area of the transfer belt for any damage, and if damaged,

replace the transfer belt.

20. Check the light receiving area of the color registration sensor if it is not dirty.

* Be sure to do the following after having made checks and corrections:

1. While pressing [0] and [8] simultaneously, turn ON the power.

2. Enter [742] with digital keys and press the [START] key.

3. Set the color registration control setting to [0] (automatic).

4. Enter [743] with digital keys and press the [START] key.

5. Set the color registration control for warming-up setting to [1] (enabled).

6. Turn OFF the power.

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4.1.20 Options related service call

F07 Communications error between System-CPU and Main-CPU

1. Check if the SIC board is firmly connected to the MTH board.

2. Check if the IMC board is firmly connected to the MTH board.

3. Check if the IMC board connector J168 is disconnected.

4. Check if the LGC board connector J113 is disconnected.

5. Check if the harness between the IMC and LGC boards is open-circuited.

6. Check the version of FROM on the SIC board.

7. Check the version of MROM on the LGC board.

8. Check the version of IMC-ROM on the IMC board.

9. Replace the SIC board.

10. Replace the IMC board.

11. Replace the LGC board.

F11 Communications error between System-CPU and Scanner-CPU

1. Check if the SIC board connector J182 is disconnected.

2. Check if the SCM board connector J1 is disconnected.

3. Check if the harness between the SIC and SCM boards is open-circuited.

4. Check the version of FROM on the SIC board.

5. Check the version of SROM on the SCM board.

6. Replace the SIC board.

7. Replace the SCM board.

FC-22 TROUBLESHOOTING

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4.1.21 Image processing options related service call

F51 Communications error between System-CPU and AI board during pre-scanning

1. Check if the AI board is securely connected to the connector on the SIC board.

2. Check if FROM is mounted on the IC8 on the AI board.

3. Check if FROM is mounted in the proper direction on the AI board.

4. Replace the AI board.

5. Replace the SIC board.

* Service call F51 occurs only when copying with the copy mode “AI” selected.The other copy modes

are operable.

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4.2 Troubleshooting of Image

(1) Color deviation

A B C

Condition

All modes

Location

Phenomena

Color

White void areas, color blur

deviation

White void

Text mode

Black text outlines in color

background

A B C

Text/Photo mode

Photo mode

Map mode

Color blur in outline of line

or text

Color

deviation

A B C

Cause

Defect area

Step

Check Item

Main-Classification Sub-Classification Specific-Classification

Output build-in grid pattern on A3/LD.

Check grid pattern.

Color registration

Control

Control error or

poor optimization

Abnormal paper

transport speed

Paper transport

speed in

Low speed

Adjustment defect

Check grid pattern.

registration section Low speed

Registration roller

aging change

Low speed

Registration roller

life worn out

Check condition of registration rubber roller

surface.

High speed

Adjustment defect

Check grid pattern

Paper transport

High speed

Check grid pattern.

speed in fuser unit

Feed the paper with the front door open and

check the paper transport between transfer

belt and fuser unit.

No defect in normal paper mode, but in thick

paper 3 mode, deviation occurs in order (Y)

MCK, at trailing edge of A3/LD sheet.

Run operation check in test mode.

Drum drive system

Drum rotation

Unstable

Motor abnormal

Control circuit

abnormal

Drum motor

Inadequate

Adjustment defect

Re-check values set for drum motor rotation

speed.

rotation speed

Drum coupling

Loose coupling

Damage

Check grid pattern.

Deformation

Deformation or

damage

Transfer belt system

Transfer belt

Drive roller

Check grid pattern.

Check condition of transfer belt edge

Check grid pattern.

Slipping

Stain

Check condition of roller surface.

Check grid pattern.

Large driving load Used toner

Cleaning blade

Over capacity

Peeling

Laser optical unit

Tilt adjustment

mechanism

Reflection mirror

warp

Adjustment mech-

anism defect

Check grid pattern.

fθ lens characteris-

tic defect

FC-22 TROUBLESHOOTING

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Criteria

Measures

Perform following procedures from 2 and after.

Grid line deviation?

Color registraion control forced performing.

Parallel deviation in secondary-scanning, occurring all over the Re-adjust paper feed motor speed. * See P. 4-58.

face, almost in order Y-M-C-K from paper exit side?

Re-adjust paper feed motor speed. * See P. 4-58.

Does the roller surface lack in friction and is it slippery?

Replace registration roller.

Parallel deviation in secondary-scanning, occurring all over the By fine adjustment (a few steps at a time), slacken paper

face, almost in order Y-M-C-K from paper exit side?

Is paper tightened?

slightly, not tighten it (to a straight line in side view) between

transfer belt and fuser unit.

Is paper tightened?

Increase the value of 05-408 (correction of fuser motor

rotation speed in the thick paper 3 mode), by finely adjusting

a few steps at a time.

Troubleshoot drum driving.

Is the value significantly different from the default value 1700?

(The value shifts one step each in connection with transfer belt

speed.)

Reset drum motor speed to 1700.

Tighten screws.

Replace couplings.

Fluctuating primary-scanning deviation?

Damaged or broken edge?

Replace belt (troubleshoot transfer belt).

Fluctuating secondary-scanning deviation?

Is there any stain?

Clean it.

Fluctuating secondary-scanning deviation?

Troubleshoot used toner system.

Replace cleaning blade(troubleshoot transfer belt).

Replace unit.

Deviation at front or rear of primary-scanning line?

Primary-scanning line warp?

Replace unit. (Reflection mirror)

Replace unit.

Primary-scanning line warp?

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(2) Uneven pitch and blur

Feeding

direction

Condition

Location

Phenomenon

Uneven pitch

All modes

Occurs cyclically at right

angles to paper feeding

direction

Cause

Main-Classification Sub-Classification Specific-Classification

Defect area

Step

Check item

Output built-in halftone pattern on A3/LD.

Check grid pattern.

Abnormal paper

transport speed

Paper transport

speed in

Low speed

Adjustment defect

registration

section

Registration roller

aging change

Registration roller

life worn out

Check condition of registration rubber roller

surface.

High speed

Adjustment defect

Check grid pattern.

Paper transport

Check pattern.

speed in fuser unit

Feed the paper with the front door open and

check the paper transport between transfer

belt and fuser unit.

Drum drive system

Drum

Surface condition

Check pattern.

Damage

Check drum surface.

Attached foreign

matter

Check drum surface.

Drum rotation

Unstable

Motor abnormal

Control circuit

abnormal

Run operation check in test mode.

Drum motor

Inadequate

Adjustment defect

Re-check values set for drum motor rotaion

speed.

rotation speed

Drum coupling

Loose coupling

Damaged

Check pattern.

Deformation

Timing belt

Deformation or

damage

Transfer belt system

Drive unit

Tension looseness

Stain

Check pattern.

Transfer belt

Check pattern.

Condition of transfer belt edge.

Check pattern.

Drive roller

Slipping

Check condition of roller surface.

Check pattern.

Large driving load Used toner

Cleaning blade

Surface inclined

Over capacity

Peeling

Laser optical unit

Polygonal mirror

Deformation

Check pattern.

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Criteria

Measures

Perform following procedures from 2 and after.

Uneven pitch extending 2.5mm to 3mm within an area about

130mm wide from leading edge of the image?

Re-adjust paper feed motor rotation speed. * See P. 4-58.

Replace registration roller.

Does the roller surface lack in friction and is it slippery?

Uneven pitch extending approx. 2.9mm within an area about

150mm wide from trailing edge of the image?

Is paper tightened?

By fine adjustment (a few steps at a time), slacken paper slightly,

not tighten it (to a straight line in side view) between transfer belt

and fuser unit.

Uneven pitch approx. 94mm overall?

Is there damage?

Replace drum.

Is there any attached foreign matter?

Clean or replace drum.

Troubleshoot drum driving.

Is the value significantly different from the default value 1700? Reset drum motor rotation speed to 1700.

(The value shifts one step each in connection with transfer belt

speed)

Re-fasten screws.

Replace couplings.

Uneven pitch approx. 2.5 mm overall?

Uneven pitch approx. 75 mm overall?

Damaged or broken edge?

Re-fasten screws to fix tension arm.

Replace transfer belt (troubleshoot transfer belt).

Clean it.

Uneven pitch approx. 75 mm overall?

Is there any stain?

Uneven pitch approx. 75 mm overall?

Troubleshoot used toner system.

Replace cleaning blade (troubleshoot transfer belt).

Replace unit.

Uneven pitch approx. 0.3 mm overall?

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* Fine adjustment of registration roller paper transport speed

The optimized value is not always obtained for jitter and color deviation because fine error is gener-

ated in automatic adjustment.

If uneven color is generated in the secondary-scanning direction of the image and the further adjust-

ment is necessary, perform the following procedure from 1 to 7.

1. Start up with the test print mode [04].

2. Select the A3/LD cassette.

3. Input the code [234] (output the half tone pattern).

4. Select [M] on the control panel and press [START] key. Since the halftone image is to be continuously

printed out, press [STOP] key when the first paper starts being fed, to make only one print.

5. According to the steps 3 and 4, print out the halftone image of cyan (C) and black (K).

6. Criteria for judging paper transport speed by image

Uneven color of 2.5mm pitch in halftone image is generated.

→Paper transport speed is low.

Uneven color is partially generated at 120mm with magenta, 195mm with cyan and 270mm with black

from the trailing edge.

→Paper transport speed is high.

7. Adjust "Fine adjustment of feed motor rotation speed" of code 05-404 by two steps, assuming the

speed status from the grid pattern image and from the above image criteria 6. After adjusting, repeat

the procedure from 1 to 6. When the step value decreases, the paper transport speed becomes

higher.

When the step value increases, the paper transport speed becomes lower. The speed should not be

too low or too high because either case has harmful effect. (The step value should be approx. within

4289±30.)

Note: First perform the adjustments 05-401 to 403, before proceeding to 05-404, "Fine adjustment of feed motor

rotation speed".

If the adjustment 05-406 is performed, the value of 05-404 is changed. Therefore, perform the settings of 05-

404 again.

FC-22 TROUBLESHOOTING

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(3) Defect of image density, color reproduction and gray balance

Check image density.

Check gray balance.

Check color reproduction.

Cause/Defect area

Density/Color reproduction

/Gray balance

Step

Check items

Check density/color reproduction/

gray balance.

Measures

Perform automatic adjustment of

gamma correction.

Remarks

Printer section (Note 1)

Check printer image.

Output test print image for each color See step 6 if

(04-231).

defect occurs.

Parameter adjustment value

(Note 2)

Check image parameters.

Adjust color balance.

Adjust image density.

Clean them.

Scanner

Is the original glass or mirrors

or lens filter dirty?

Printer density error

(Note 1)

Check density of printer image.

Perform image quality control forced

performing (05-878).

Output test print image in each color

(04-231).

Printer image error

(Note 2)

Is there any faded image (low density)? Perform troubleshooting procedures

against faded image.

Is there any fog in the background?

Perform troubleshooting procedures

against background fogging.

Perform troubleshooting procedure

against blotch image.

Is there any blotch image?

Is there any transfer defect?

Perform troubleshooting procedure

against transfer defect.

Is there any cleaning defect in the

transfer belt?

Modify transfer belt

(refer to Service Manual).

(Check inside the machine.)

Note: 1) When adjusting printer section, perform "image quality control forced performing" and then "automatic adjustment of

gamma correction".

2) When adjusting parameters, perform "automatic adjustment of gamma correction".

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(4) Background Fogging

Cause/Defect area

Density reproduction

Step

Check items

Measures

Perform automatic adjustment of

gamma correction.

Remarks

Go to step 5

If defects

occur.

Image density reproduction defect

Printer

Check printer image.

Output test print image (04-231) for

each color and check it.

Parameter adjustment

value

Check image processing parameters. Check the value of offset amount of

processing background.

Adjust image processing

parameters.

While checking the above encircled

image, remove background fog by

adjusting offset amount of processing

background.

Scanner stain

Auto-toner

Is the original glass or mirrors

or lens filter dirty?

Clean them.

Is the auto-toner sensor normal?

Check operation of auto-toner sensor

and re-adjust.

Is the toner supply operating constantly?

Is the main charger output normal?

Is the developer bias proper?

Inspect motor and circuits.

Check circuits. (Note)

Main charger output

Developer bias

Developer unit

Check circuits. (Note)

10 Is the contact between the drum

and developer material right?

11 Is the developer's life finished?

12 Is it cleaned properly?

Adjust doctor-to-sleeve gap and pole

position.

Developer material

Drum cleaning blade

Toner dusting

Replace developer material.

Inspect drum cleaning blade pressure.

Remove toner and clean.

13 Is toner accumulated on the seals of

the developer unit?

Note:

If the main charger and developer bias outputs seem to be abnormal, replace the main high-voltage transformer of the color likely

to be abnormal with another transformer of another color likely to be normal, and then, output the chart again.

If the same color remains abnormal, check if there is any disconnection of harness between the LGC board and the main high-

voltage transformer, disconnection of high-voltage harness, the power supply defect, or stain on the main charger wire.

If the color changes as the result of replacing the main high-voltage transformer, this fogging trouble is caused by the main high-

voltage transformer defect. Therefore, replace the main high-voltage transformer of the abnormal color with new one.

After this checking, return the other main high-voltage transformer back to the original color position.

FC-22 TROUBLESHOOTING

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(5) Moire/lack of sharpness

Moire

Cause/Defect area

Density reproduction

Step

Check items

Measures

Remarks

Image density reproduction

defect

Perform automatic adjustment of

gamma correction.

Parameter adjustment

value

Check image processing

parameters.

Check sharpness adjustment value.

Printer section

Check printer image.

Output test print image (04-231)

for each color and check.

When defects occur,

perform the corre-

sponding trouble-

shooting procedures.

Adjust image processing

parameters.

While checking the above encircled

images A and B, control moire by

sharpness adjustment.

Lack of sharpness

Cause/Defect area

Density reproduction

Step

Check items

Image density reproduction

defect

Measures

Remarks

Perform automatic adjustment of

gamma correction.

Parameter adjustment

value

Check image processing

parameters.

Check sharpness adjustment value.

Printer section

Check printer image.

Output test print image (04-231)

for each color and check.

When defects occur,

perform the corre-

sponding trouble-

shooting procedures.

Adjust image processing

parameters.

While checking the above encircled

image A, modify sharpness by

sharpness adjustment.

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(6) Toner offset

Black solid

Approx.

195mm

Shadow image

Toner offset (Shadow image appears approx. 195 mm behind the high density image.)

Cause/Defect area

Density

Step

Check items

Is density too high?

Measures

Perform automatic adjustment of

gamma correction.

Remarks

Fuser unit

Is fuser roller pressure proper?

Check pressure removal parts and

pressure mechanism.

Is thermostat contact good?

Is there scratch on the fuser roller

surface?

Establish contact.

Replace fuser roller.

Did fuser roller life end?

Replace fuser roller.

Is fuser roller temperature proper?

Check paper thickness and its mode.

Is non-recommended paper used?

Is specified developer used?

Check control circuit.

Paper

Select proper mode.

Advise to use recommended paper.

Use specified developer and toner.

Clean them.

Developer material

Scanner

10 Are mirrors or original glass

or lens filter dirty?

Printer section

11 Check printer image.

Check test print image (04-231).

See next steps

12 and 13 if

defect occurs.

Repeat a few

times if

Printer density error *

Image quality control

12 Is printer density too high?

13 Is the control activated?

Perform image quality control forced

perfoming (05-878).

Check test print image (04-231).

Check image quality control related codes.

necessary.

* When adjusting printer section, perform "image quality control forced performing" and then "automatic adjustment of gamma

correction".

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(7) Blurred image

Cause/Defect area

Scanner bedewing

Drum

Step

Check items

Scanner bedewed?

Drum bedewed or dirty?

Measures

Clean it.

Wipe drum with dry cloth.

* Be sure never to use alcohol or other organic sol-

vents because they have bad effect on drum.

4 - 63

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(8) Poor fusing

Cause/Defect area

Step

Check items

Contact defect at terminal point?

Fuser lamp open-circuited?

Pressure springs working properly?

Fuser roller temperature too low?

Paper dump?

Measures

Fuser lamp unlighted

Correct it.

Replace it.

Fuser roller pressure defect

Thermistor, LGC board

Paper

Check/adjust pressure springs.

Check/correct related circuit.

Change paper.

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(9) Blank copy

Cause/Defect area

Step

Check items

Measures

High-voltage transformer

(transfer roller/

High-voltage transformer output defective? Adjust output and correct circuit, or replace defec-

tive transformer.

developer bias)

Process unit (EPU)/

developer unit set position

Developer drive system

Developer material

Process unit (EPU) or developer unit in- Check/correct developer sleeve coupling engaging.

stallation defective?

Check EPU sliding mechanism.

Developer sleeve and mixer rotate?

Check/correct developer drive system.

Developer material properly transported? Remove foreign matter from developer material, if

any.

Developer pole position

Doctor blade position

Drum

Magnetic brush phase error?

Doctor sleeve gap incorrect?

Drum rotating?

Adjust developer pole position.

Adjust gap with doctor-sleeve jig.

Check that drum shaft is inserted.

Check drum drive system.

Harness for SCM, SIC, IMC

and LGC boards

Connectors securely connected?

Re-connect connectors securely.

Any open-circuited harness between Replace harness.

boards?

4 - 65

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(10) Solid copy

Cause/Defect area

Exposure lamp

Step

Check items

Measures

Check lamp terminal contact.

Check circuit and replace thermostat if it is not alive.

Replace defective lamp regulator if any.

Remove it.

Does exposure lamp light?

Lamp regulator

Scanner

Foreign matter in optical path?

Scanner or drum bedewed?

Bedewing of scanner and

drum

Clean mirrors, lens and drum.

Keep power cord plugged so that damp heater can

work.

Main charger

Main charger securely installed?

Main charger wire open-circuited?

Re-install it securely.

Replace it.

High-voltage transformer

(Main charger)

High-voltage transformer output defective? Adjust output and correct circuit, or replace high-

voltage transformer.

Harness for SCM, SIC, IMC

and LGC boards

Connectors securely connected?

Re-connect connectors securely.

Any open-circuited harness between Replace harness.

boards?

FC-22 TROUBLESHOOTING

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(11) White banding (in feeding direction)

Cause/Defect area

Laser optical unit

Main charger grid

Developer unit

Step

Check items

Measures

Foreign matter or dust on slit glass?

Foreign matter on charger grid?

Foreign matter in developer unit?

Foreign matter on drum seal?

Clean slit glass.

Remove foreign matter.

Drum seal of developer unit in proper con- Modify position of drum seal or replace it.

tact with drum?

Drum

Any abnormalities on drum surface?

Replace drum.

Transport path

Does toner image touch foreign matter af- Remove foreign matter.

ter transfer, before entering fuser unit?

Discharge LED array

Scanner

Any lamp of discharge LED array gone out? Replace discharge LED array.

Foreign matter or dust in optical path?

Clean lens and mirrors.

4 - 67

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(12) White banding (at right angles to feeding direction)

Cause/Defect area

Main charger

Step

Check items

Measures

Remove foreign matter.

Foreign matter on charger?

Terminal contact defective?

Clean or adjust terminals.

Drum

Any abnormalities on drum surface?

Discharge LED array lighting properly?

Replace drum.

Discharge LED array

Developer unit

Replace discharge LED array or clean terminals.

Developer sleeve rotation defective? Any Check developer drive system, or clean sleeve sur-

abnormalities on sleeve surface?

Drum or scanner jittery?

face.

Drive system

Check each drive system.

High-voltage transformer

(main charger and transfer

roller)

High-voltage transformer output defective? Check/correct related circuits.

If high-voltage transformer is defective, replace it.

FC-22 TROUBLESHOOTING

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(13) Skew (slantwise copying)

Cause/Defect area

Cassette

Step

Check items

Measures

Is cassette or LCF properly installed?

Re-install cassette or LCF properly.

LCF

Too much paper loaded in cassette or LCF? Reduce paper to 600 sheets or less.

(1500 sheets or less for LCF)

Paper corner folded?

Change paper direction and reinsert.

Cassette or LCF side guides properly set? Adjust side guides.

Paper feed roller

Rollers

Is surface of paper feed roller dirty?

Defective mounting of roller to shaft?

Registration roller spring out of place?

Pre-registration guide improperly

mounted?

Clean roller surface with alcohol, or replace roller.

Check and fasten E-rings, pins, clips and setscrews.

Mount spring correctly. Clean roller if it is dirty.

Correct it.

Registration roller

Pre-registration guide

Original scale

Original scale slanted?

Adjust it.

4 - 69

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(14) Color banding (in feeding direction)

Cause/Defect area

Scanner

Step

Check items

Measures

Clean slit, lens and mirrors.

Foreign matter in optical path?

Foreign matter on grid?

Main charger grid

Remove foreign matter.

Grid dirty or deformed?

Clean or replace grid.

Main charger

Foreign matter on main charger?

Charger wire dirty or deformed?

Foreign matter inside charger case?

Inner surface of charger case dirty?

Paper dust on cleaning blade edge?

Remove foreign matter.

Clean or replace charger wire.

Remove foreign matter.

Clean inside.

Cleaner

Clean or replace paper dust removal brush for reg-

istration roller.

Clean or replace cleaning blade.

Readjust cleaning blade contact.

Clean toner recovery auger section.

Cleaning blade contact improper?

10 Toner recovery defective?

Fuser unit

11 1. Dirt or scratches on fuser roller surface? 1. Clean or replace fuser roller.

2. Thermistor cleaned at PM?

12 Scratches on drum surface?

13 Foreign matter or dust on slit glass?

2. Clean thermistor.

Drum

Replace drum.

Laser optical unit

Shading correction plate

Remove foreign matter or dust.

14 Dust or stain on shading correction plate? Clean plate.

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(15) Color banding (at right angles to feeding direction)

Cause/Defect area

Main charger wire

Fuser roller

Step

Check items

Charger wire dirty or deformed?

Fuser roller or oil roller dirty?

Measures

Clean or replace charger wire.

Clean them.

High-voltage transformer

(main charger/

transfer roller)

High-voltage transformer output defective? Check circuit and replace high-voltage transformer

if defective.

Drum

Deep scratch on drum surface?

Replace drum if scratch has reached aluminum

base.

Fine scratches on drum surface (drum pit- Check and adjust contact of cleaning blade and re-

ting)? covery blade.

Scattered toner recovery

roller of developer unit

Electrical continuity secured between de- If not, replace developer bias supply spring.

veloper bias supply spring and recovery

roller?

Scanner carriage section

Foreign matter on carriage rail?

Remove foreign matter.

4 - 71

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(16) White spots

Cause/Defect area

Developer unit/

Step

Check items

Measures

Toner density of developer material proper? Check and correct auto-toner sensor and toner sup-

Toner cartridge

ply operation.

Check whether amount of toner is sufficient in toner

cartridge.

Doctor-sleeve gap

Main charger

Doctor-sleeve gap proper?

Foreign matter on charger?

Charger wire dirty or deformed?

Adjust gap.

Remove it.

Clean or replace charger wire.

High-voltage transformer

(main charger/ developer

bias/transfer roller)

High-voltage transformer output defective? Adjust output.

Developer material

Accumulated copy volume for replacement Replace developer material.

attained?

FC-22 TROUBLESHOOTING

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(17) Poor image transfer

Cause/Defect area

Transfer belt

Step

Check items

Transfer belt dirty?

Measures

Clean it.

Transfer belt in defective contact with Adjust contact.

drum?

Any deformation or abnormalities on trans- Replace belt.

fer belt?

Paper

Paper in cassette or LCF curled?

Paper in cassette or LCF damp?

Registration roller malfunctioning?

Reinsert paper with reverse side up or change pa-

per.

Change paper.

* Avoid storing paper in damp place.

Clean roller, re-mount spring, or replace defective

clutch-related parts.

Registration roller

Readjust roller speed.

High-voltage transformer

(transfer roller)

High-voltage transformer output defective? Check circuit and adjust transformer output.

4 - 73

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(18) Uneven image density

Cause/Defect area

Main charger

Step

Check items

Main charger dirty?

Transfer belt dirty?

Measures

Clean it or replace charger wire.

Clean belt.

Transfer belt

Transfer belt in defective contact with Adjust belt.

drum?

Any abnormalities or deformation on belt? Replace belt.

Laser optical unit

Foreign matter or dust on slit glass?

Discharge LED array dirty?

Clean slit glass.

Clean it.

Discharge LED array

Any lamp of discharge LED array gone out? Replace it.

Magnetic brush in defective contact with Adjust doctor-sleeve gap.

drum?

Developer unit

Developer unit pressure mechanism mal- Check mechanism.

functioning?

10 Defective transport of developer material? Remove foreign matter if any.

Scanner section

11 1. Platen cover open?

1. Close platen cover.

2. Clean them.

2. Glass, mirrors, or lens filter dirty?

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(19) Faded image (low density, color reproduction defect, gray balance defect)

Cause/Defect area

Toner empty

Step

Check items

“ADD TONER” symbol flashing?

Enough toner in cartridge?

Toner density in developer material too

low?

Measures

Replace toner cartridge.

Auto-toner circuit

Check auto-toner circuit function.

Toner motor

Toner motor malfunctioning?

Any abnormalities in toner cartridge?

Developer material life ended?

Check motor drive circuit.

Replace toner cartridge.

Replace developer material.

Toner cartridge

Developer material

Developer unit

Magnetic brush in proper contact with Check developer unit installation.

drum?

Adjust doctor-sleeve gap and pole position.

Clean it or replace charger wire.

Clean or replace drum.

Main charger

Main charger dirty?

Film formed on drum surface?

Drum

High-voltage transformer

10 High-voltage transformer settings im- Adjust high-voltage transformer output.

proper?

4 - 75

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(20) Image dislocation in feeding direction

Cause/Defect area

Scanner/printer adjustment

defect

Step

Check items

Measures

Same dislocation on every copy?

Adjust scanner/printer using adjustment mode.

Registration roller

Registration roller dirty, or spring out of Clean roller with alcohol.

place?

Re-install spring.

Registration motor malfunctioning?

Adjust or replace gears, etc. if they are not engaged

properly.

Paper feed motor

Paper feed motor malfunctioning?

Check circuit or motor and replace them if neces-

sary.

Pre-registration guide

Pre-registration guide mounted defec- Re-install guide.

tively?

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(21) Image jittering

Cause/Defect area

—

Step

Check items

Measures

If proper, perform step 1 to 3;otherwise perform step

4 and after.

Toner image proper on drum?

Registration roller

Transfer belt

Registration roller rotation defective?

Transfer belt malfunctioning?

Check registration roller section and its springs.

Check drive system and replace transfer belt if nec-

essary.

Fuser roller

Fuser roller rotation defective?

Check fuser roller drive system.

Replace rollers if necessary.

Replace drum.

Drum

Large scratch on drum?

Carriage operation

Slider sheet defective?

Replace it.

Any abnormalities on carriage feet?

Tension of timing belt inappropriate?

Carriage drive system malfunctioning?

Mirror loosely mounted?

Replace feet.

Adjust tension.

Check carriage drive system.

Fix it properly.

Scanner

Drum drive system

10 Drum drive system malfunctioning?

Check drum drive system.

Clean or replace belt, pulley, bushing if they have

dirt or scratches.

EPU load

11 EPU load too high?

Check EPU.

4 - 77

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(22) Poor cleaning

Cause/Defect area

Developer material

Cleaning roller/

Oil roller

Step

Check items

Measures

Specified developer material not used?

Use specified developer material and toner.

Cleaning roller or oil roller damaged or their Replace defective rollers.

life ended?

Fuser roller

Bubbles on fuser roller (188.5 mm pitch on Replace fuser roller. Check and modify heater con-

copy)?

trol circuit.

Fuser roller life ended?

Replace it.

Fuser roller pressure improper?

Fuser roller temperature abnormal?

Paper dust on cleaning blade edge?

Cleaning blade peeled?

Check and adjust pressure mechanism.

Check and correct circuit.

Clean it.

Cleaning blade

Replace blade.

Check and replace drum.

Clean toner recovery auger.

Check cleaning blade pressure.

Toner recovery auger

Toner recovery defective?

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(23) Uneven light distribution

Cause/Defect area

Original glass

Step

Check items

Original glass dirty?

Measures

Clean glass.

Main charger wire

Discharge LED array

Scanner

Main charger wire dirty?

Clean or replace wire.

Clean it.

Discharge LED array dirty?

Reflector, exposure lamp, mirrors, lens, etc. Clean them.

dirty?

Exposure lamp

Exposure lamp tilted?

Adjust lamp mounting.

Replace it.

Lamp discolored or degraded?

4 - 79

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(24) Blotched image

Cause/Defect area

Paper

Step

Check items

Too thin paper used?

Paper too dry?

Measures

Change paper.

Transfer belt

Transfer belt in proper contact with drum? Correct/adjust belt.

Any abnormalities on belt? Clean or replace belt.

High-voltage transformer output abnormal? Adjust output. Replace transformer, if necessary.

High-voltage transformer

(transfer roller)

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5. FIRMWARE UPDATING

5.1 [ 3 ][ 9 ] Mode Operation

5.1.1 Outline

Connect copier and PC with serial cable and turn the power on pressing 3 and 9 keys, the copier goes

into "Firmware Version Up Mode".Then you can update system software data and/or UI data through the

PC.

5.1.2 Preparation of PC

To update the firmware of copier, the following preparations are necessary.

(1) Software Installation

"Virtual modem" and "War FTP Daemon" have to be installed in your PC.

Please refer to "5.2 Installation Instructions for Firmware Update through PC"

And also, War FTP Daemon has to be "ONLINE" mode.

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(2) Preparation of updated files.

New files for update are stored in the following folder of the PC.

And also, the files must be named as follows

C: \WEBSHARE\FTPROOT

New files for update :

Kind of data

File name

sysfirm.tz

uidataF.tz

uidata0.tz

uidata1.tz

uidata2.tz

uidata3.tz

- Program data

- Fixed UI data

- Common UI data

- 1st language UI data

- 2nd language UI data

- 3rd language UI data

FC-22 FIRMWARE UPDATING

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(3) Connection between copier and PC

Connect MMF(FSMS) port of the copier and serial communication port of PC specified by the setup

of virtual modem using a crossing cable.

5 - 3

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5.1.3 Firmware update operation

1. Turn ON the power of copier on pressing 3 and 9 keys.

2. The following messages are displayed on copier control panel.

Firmware Version Up Mode

> Make a connection from PC.

3. Serial connection is made by dial-up from PC.

Refer to "5.2 Installation Instructions for Firmware Update through PC" about procedures for dial-

up network connection.

Key in "#39" for "Phone number".

Default Location

FC-22 FIRMWARE UPDATING

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4. The following screens will be displayed if it succeeds in serial connection.

Firmware Version Up Mode

Target: 1

Established serial connection with PC.

> Press START key to install new

firmwares.

Target area number

> Please select a target with DIGI-

TAL keys.

Press [HELP], and you can confirm the version number of firmware and UI data, before updating to

new one. (To return to previous screen, press [HELP] again.)

Firmware Version Up Mode

Target: 1

Established serial connection with PC.

target

version code

005.101

004.001

005.002

006.001

006.003

SEU

One of the followings:

SJP, SEU, SUC, SX

The number of "target" provides with following information.

1 : Program data

2 : Fixed UI data

3 : Common UI data

4 : 1st language UI data

5 : 2nd language UI data

6 : 3rd language UI data

"version" is displayed like "XXX.YYY".

"XXX" is major version and "YYY" is minor version.

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"Code" provides with following information.

A. In the case of Program data("target" is 1), "code" means the destination.

SUC: for USA and Canada

SEU: for European countries

SX:

for Australia and Asian countries

SJP: for Japan

B. In the case of UI data("target" is 2-6), "code" means Language.

Code

Language

Japanese

Code

Language

Finnish

American English

English

Norwegian

Australian English

Polish

reserved

French

Czech

German

Swedish

Dutch

Greek

Romanian

Bulgarian

Portuguese

Hungarian

reserved

Italian

Spanish

Danish

5. Select the area for update using ten keys.

Using [1] to [6] keys and [INTERRUPT] key, you can select a target area.

A selected number is displayed at target area. Press [INTERRUPT] to input "#".

The relation between target area number and firmware data is as follows.

1 : Program data

2 : Fixed UI data

3 : Common UI data

4 : 1st language UI data

5 : 2nd language UI data

6 : 3rd language UI data

#1 : All data (1, 2, 3, 4, 5 and 6)

#2 : All UI data (2, 3, 4, 5 and 6)

#3 : All language UI data (4, 5 and 6)

6.Press [START] key and copier starts to update the data.

Do not turn OFF the power of the copier or the computer, or disconnect the connection

between the copier and computer after pressing the START key.

Interrupting the transmission of a file to the copier will result in corrupting the file in F-

ROM of the copier. If this file is corrupted, you have to re-install the data again.

FC-22 FIRMWARE UPDATING

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In the case of 1 - 6 :

Firmware Version Up Mode

Target: 1

Displaying current status as follows.

– reading a file.

Installing a new firmware.

— reading a file.

– erasing the device.

– writing to the device.

In the case of #1 - #3

Firmware Version Up Mode

Target:#1

Installing a new firmware.

— reading a file.

Target Version

installing

Displaying current data area being loaded

7. The following screen will be displayed after firmware data is updated.

In the case of 1 - 6:

If you want to update other area continuously, press [START] key and repeat the operation from

step 5.

After finished, turn OFF the power or press [CLEAR] key.

Firmware Version Up Mode

Target: 1

Updated data version number

Firmware version up completed.

Version: 001.003 code:SEU

> Press START key to continue.

5 - 7

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In the case of #1 - #3:

The following screen is displayed after finished.

Firmware Version Up Mode

Target: #1

Firmware version up completed.

Target

version

001.002

002.001

002.031

003.022

003.033

Updated data version numbers

8. Press [CLEAR] key to cancel downloading on the way.

However, it becomes unable to cancel after start of elimination process of flash ROM.

Firmware Version Up Mode

Target: 1

Program canceled.

9. When failing in update, the following error message is displayed.

(If an error occurs, "Recovery Mode" starts automatically when you turn ON the power next time. See

10:Recovery mode)

ERROR MESSAGE

- file read error.

Firmware Version Up Mode

- file information error.

- unfit device.

Target: 1

- device erase error.

- device write error.

- verify error.

Failed to install a new firmware.

- cannot set NvRAM flags.

– file read error.

FC-22 FIRMWARE UPDATING

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10. Recovery mode

When you turn ON the power after an error occurs, you'll see following display.

Firmware Version Up Mode

Recovery mode : target 4–6 failed.

> make a connection from PC

Connect with dial-up network (see procedure 3), and the display changes as follows.

Firmware Version Up Mode

Target: #3

Recovery mode : target 4–6 failed.

Established serial connection with PC.

> Press START key to install new

firmwares.

Further procedure is the same as normal sequence.

5 - 9

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5.1.4 Screen details

The following screen will be displayed in [ 3 ][ 9 ] mode.

Power ON

Firmware Version Up Mode

Cannot connect with PC.

Failed to install a new firmware.

> Make a connection from PC.

Connection

Failure

Connected

Target area number

Firmware Version Up Mode

Change the number by pressing key

Target: 1

Established serial connection with PC.

Target: 6

Target: 1

➝

> Press START key to install new firm-

wares.

Press

digital key

> Please select a target with DIGITAL

keys.

Press CLEAR

Key

Press START

Key

Target: #1

1’ 1

Press CLEAR

Key

Firmware Version Up Mode

Program canceled.

Target: 1

Power OFF

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In the case of 1 - 6:

1 Press Start Key

Firmware Version Up Mode

Target: 1

Installing a new firmware.

– reading a file.

Message will change as follows.

– reading a file.

– checking a read file.

– checking the device.

– setting NvRAM flags.

– erasing the device.

– writing to the device.

– verifying the device.

– cleaning NvRAM flags.

Failed

Press CLEAR

Key

Successful

Firmware Version Up Mode

Updated data version number

Target: 1

Firmware version up completed.

Version: 001.003 code:SEU

Press CLEAR

Key

> Press START key to continue.

Press START Key

Change the number by pressing key

Firmware Version Up Mode

Target: 1

Target: 6

➝

> Press START key to install new

firmwares.

Press digital

key

> Please select a target with DIGI-

TAL keys.

Target: #1

Press CLEAR

Key

Press START

Key

1’

5 - 11

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In the case of #1- #3:

1’

Press Start Key

Firmware Version Up Mode

Target:#1

Installing a new firmware.

– reading a file.

Message will change as follows.

– reading a file.

Target Version

– checking a read file.

– checking the device.

– setting NvRAM flags.

– erasing the device.

– writing to the device.

– verifying the device.

– cleaning NvRAM flags.

installing

Failed

Press CLEAR

Key

Successful

4’

3’

2’

3’

Displaying current data

area being loaded.

Successful

Firmware Version Up Mode

Updated data version numbers

Target: 1

Firmware version up completed.

Press CLEAR Key

2’

Target

version

001.002

002.001

002.031

003.022

003.033

Firmware Version Up Mode

Program canceled.

Target: #1

Target

version

001.002

Canceled Area

canceled.

Power OFF

FC-22 FIRMWARE UPDATING

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In the case of 1 - 6:

4 Failed

Firmware Version Up Mode

Target: 1

Failed to install a new firmware.

– file read error.

ERROR MESSAGE

– file read error.

– file information error.

– unfit device.

– device erase error.

– device write error.

– verify error.

– cannot set NvRAM flags.

Power OFF

In the case of #1 - #3:

Failed

4’

Firmware Version Up Mode

Target:#1

Failed to install a new firmware.

– file read error.

ERROR MESSAGE

Target Version

– file read error.

– file information error.

– unfit device.

001.002

error

– device erase error.

– device write error.

– verify error.

– cannot set NvRAM

flags.

Error

occurrence

area

Power OFF

5 - 13

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5.2 Installation Instructions for Firmware Update through PC

5.2.1 Outline

The following instructions show how to update system firmwares using your PC and FTP(File Transfer

Protocol).

5.2.2 System configuration

System

board

Serial Cable

Software Requirements for PC.

– Microsoft Windows95.

– Virtual Modem.

– The official name is Microsoft Windows 95 Operating System. –

– FTP Server tools. (Ex. War FTP Daemon)

Serial Cable.

– PC and System board are connected with the following cross line cable.

DTE-DTE connections (D-SUB 9 PIN/RS-232C)

1 CD

2 RXD

3 TXD

4 DTR

5 GND

6 DSR

7 RTS

8 CTS

9 CI

2 RXD

3 TXD

4 DTR

5 GND

6 DSR

7 RTS

8 CTS

9 CI

Protocol specifications between PC and system board.

SPEED

115200bps

8 BITS

NONE

DATA BITS

PARITY

STOP BITS

1 BIT

FLOW CONTROL NONE

ECHO

OFF

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5.2.3 Preparation of PC to use a network

(1) Setting Virtual Modem.

The connection between PC and copier is made using PPP(Point-to-Point Protocol). It is necessary

to use a dial-up networking, and use a virtual modem.

First, install the virtual modem. The virtual modem can be downloaded from the following web site.

URL: http://www.mindspring.com/ kewells/net/scripts.html

After download, set up the modem as follows.

Click "Start" button, point at "Settings", and then click "Control Panel".

Click on Modems.

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Click "Add" Button, and open "Install New Modem" wizard.

And then, check "Don't detect my modem; I will select it from a list", and click "Next" button.

Click "Have Disk" button, and then select a folder download file is stored in.

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Select "Direct Connection", and then click "Next" button.

Select "Communications Port(COM1)",and then click "Next" button.

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Click "Finish" button, then Virtual Modem installation is completed.

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(2) Using Dial-Up Networking.

Note: Your computer may be already set up to use a network. If Windows prompts you for a network

password at startup and if Network Neighborhood icon appears on Windows desktop, your network

is already set up. In this case, you can skip this section.

In Network dialog box, click "Configuration" tab.

Confirm that "Dial-Up Adapter" and "TCP/IP" are displayed.

If your PC does not have "Dial-Up Adapter", then click "Add" button.

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Select "Microsoft" in Manufactures list box, and select "Dial-Up Adapter" in Network Adapters list

box, and then click "OK" button.

When you click "OK" button, Windows automatically set up the TCP/IP Protocol components with

Dial-Up Adapter.

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(3) Using New Connection.

Double-click "My Computer". If "Dial-Up Networking" icon is not in the window, click "Add/Remove

Programs" in Control Panel.

Otherwise, skip to the next step to create a connection.

Double-click "Dial-Up Networking".

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Type something in "Type a name for the computer you are dialing".

Select "Direct Connection" for "Select a device", and click "Configure" button.

Click "General" tab in "Direct Connection Properties" box, select 115200 for "Maximum speed",

check "Only connect at this speed".

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Click "Connection" tab, confirm that all check boxes in "Call preferences" are not selected, and click

"Advanced" button.

Confirm that all check boxes in "Advanced Connection Settings" dialog box is not selected, click

"OK" button, and then return to "Make New Connection" dialog box.

After returning to "Make New Connection" dialog box, click "Next" button.

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Type #39 for "Telephone number".

To change "Country code", click the arrow next to the country, and select a country you want. After

that, click "Next" button.

Click "Finish" button, then "Make New Connection" is completed.

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5.2.4 Installation of FTP server

First, it is necessary to install Free Software "War FTP Daemon Version 1.65" as an FTP server.

War FTP Daemon can be downloaded from the following web site.

URL: http://www.jgaa.com/downloadpage.htm

Download the file "ward165.exe" from the above site, and execute it. Some files are created, and then

execute "Setup.exe".

Create the C: WEBSHARE FTPROOT folder.

After that, execute "war-ftpd.exe" in "war-ftpd" folder.

Select [Properties]-[Security]-[Edit User]

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Click "Add" button, and key in dppc for "New name".

Key in dppc for "New Password" and "Verify Password", and click "OK" button.

Select "dppc" and click "File Access". Click "Add" button.

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Double-click "Webshare".

Double-click "Ftproot" and click "OK" button.

Change "Read", "Write", "Delete", "Execute", "List", "Create" and "Remove" from Gray Check to Black

Check.

Check "Root", "Home" and "Recursive" in "Special" box as follows.

And then, click "Apply" and "OK".

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To make the connection "ONLINE" mode, click the button

before firmware updating.

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6. WIRE HARNESS CONNECTION DIAGRAMS

6.1 AC Wire Harness

J614-6

J614-7

100V

WHITE

J701-1

J701-3

MAIN-SW

F-DOOR-SW

WHITE

L-DOOR-SW

WHITE

J614-5

J614-1

INLET

WHITE

BLACK

WHITE

Noise

filter

Breaker 15A

BLUE

J614-8

BLACK

BROWN

GREEN

J615-2

J318-2

BLUE

J616-2

J321-5

BLUE

J321-4

J311-4

SSR-L

115V or 127V

LRG

SSR-U

DHTR-

J601-12

RED

J603

J601-1

RED

J602

SW-PWR

INLET

WHITE

BLACK

DHTR-

Noise

filter

Breaker 20A

BLACK

BROWN

GREEN

HTR-U

J281

HTR-L

Thermostat

Fuse

Thermostat

Fuse

J291

200V series

Upper

thermostat

Lower

thermostat

TBU

SCN

J261

BLACK

J601-24

BLACK

J601-13

J321-1

J311-3

J321-2

INLET

WHITE

BLACK

BROWN

Noise

filter

Breaker 10A

J615-1

J318-1

BROWN

BLACK

BROWN

GREEN

L-DOOR-SW

J614-3

BLACK

J701-6

J701-4

BLACK

F-DOOR-SW

BLACK

J614-2

BROWN

MAIN-SW

BLACK

J614-4

FC-22 WIREHARNESS CONNECTION DIAGRAMS 6 - 1

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FC-22 SERVICE HANDBOOK

6.WIRE HARNESS CONNECTION DIAGRAMS

6.2 DC Wire Harness

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FC-22 WIREHARNESS CONNECTION DIAGRAMS 6 - 3

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