Sharp Copier AR 160 User Manual
AR-161  
CODE: 00ZAR161//A1E  
DIGITAL COPIER  
AR-160  
MODEL AR-161  
CONTENTS  
[ 1 ] GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1  
[ 2 ] SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1  
[ 3 ] CONSUMABLE PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1  
[ 4 ] EXTERNAL VIEWS AND INTERNAL STRUCTURE . . . . . . . . . . . . . . . 4-1  
[ 5 ] UNPACKING AND INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1  
[ 6 ] OPERATIONAL DESCRIPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1  
[ 7 ] ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1  
[ 8 ] SIMULATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1  
[ 9 ] USER PROGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1  
[10] TROUBLE CODE LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1  
[11] MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1  
[12] DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1  
[13] ELECTRICAL SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1  
[14] CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-1  
[15] ACTUAL WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-1  
Parts marked with "!" is important for maintaining the safety of the set. Be sure to replace these parts with specified  
ones for maintaining the safty and performance of the set.  
This document has been published to be used  
for after sales service only.  
The contents are subject to change without notice.  
SHARP CORPORATION  
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AR-161  
CONTENTS  
[ 1 ] GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1  
[ 7 ] ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1  
1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1  
1. Adjustment item list . . . . . . . . . . . . . . . . . . . . . . 7-1  
2. Target user copy volume: Monthly average . . . 1-1  
3. Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1  
4. System configuration . . . . . . . . . . . . . . . . . . . . . 1-1  
5. Copier installation . . . . . . . . . . . . . . . . . . . . . . . 1-1  
2. Copier adjustment . . . . . . . . . . . . . . . . . . . . . . . 7-1  
[ 8 ] SIMULATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1  
1. Entering the simulation mode . . . . . . . . . . . . . . 8-1  
2. Cancelling the simulation mode . . . . . . . . . . . . 8-1  
3. List of simulations . . . . . . . . . . . . . . . . . . . . . . . 8-1  
4. Contents of simulations . . . . . . . . . . . . . . . . . . . 8-2  
[ 2 ] SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . 2-1  
1. Copy mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1  
[ 3 ] CONSUMABLE PARTS . . . . . . . . . . . . . . . . . . . 3-1  
[ 9 ] USER PROGRAM . . . . . . . . . . . . . . . . . . . . . . . . 9-1  
1. Supply system table . . . . . . . . . . . . . . . . . . . . . 3-1  
1. User program functions . . . . . . . . . . . . . . . . . . . 9-1  
2. Environment conditions . . . . . . . . . . . . . . . . . . . 3-3  
3. Production number identification . . . . . . . . . . . . 3-3  
4. Consumable parts recycling procedure . . . . . . 3-4  
2. Setting change procedure . . . . . . . . . . . . . . . . . 9-2  
3. Department counter setting . . . . . . . . . . . . . . . . 9-2  
[10] TROUBLE CODE LIST . . . . . . . . . . . . . . . . . . . 10-1  
[ 4 ] EXTERNAL VIEWS AND INTERNAL  
[11] MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . 11-1  
STRUCTURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1  
1. Appearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1  
1. Maintenance table . . . . . . . . . . . . . . . . . . . . . . 11-1  
[12] DISASSEMBLY AND ASSEMBLY . . . . . . . . . 12-1  
2. Internal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1  
3. Operation Section . . . . . . . . . . . . . . . . . . . . . . . 4-2  
4. Motor, solenoid, clutch . . . . . . . . . . . . . . . . . . . 4-3  
5. Sensor, switch . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4  
6. PWB unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5  
7. Cross sectional view . . . . . . . . . . . . . . . . . . . . . 4-6  
1. High voltage section . . . . . . . . . . . . . . . . . . . . 12-1  
2. Optical section . . . . . . . . . . . . . . . . . . . . . . . . . 12-1  
3. Fusing section . . . . . . . . . . . . . . . . . . . . . . . . 12-2  
4. Paper exit section . . . . . . . . . . . . . . . . . . . . . . 12-4  
5. MCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-6  
6. Optical frame unit . . . . . . . . . . . . . . . . . . . . . . 12-6  
7. LSU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-6  
[ 5 ] UNPACKING AND INSTALLATION . . . . . . . . . 5-1  
1. Installation of machine . . . . . . . . . . . . . . . . . . . 5-1  
8. Tray paper feed section/  
2. Removal of protective material and fixing screw 5-1  
3. Installation of developing cartridge . . . . . . . . . . 5-1  
4. Removal and storage of fixing screw . . . . . . . . 5-2  
5. Changing the copy paper size in the tray . . . . . 5-3  
Paper transport section . . . . . . . . . . . . . . . . . . 12-7  
9. Manual multi paper feed section . . . . . . . . . . 12-8  
10. Power section . . . . . . . . . . . . . . . . . . . . . . . 12-10  
11. Developing section . . . . . . . . . . . . . . . . . . . . 12-11  
12. Process section . . . . . . . . . . . . . . . . . . . . . . 12-12  
[ 6 ] OPERATIONAL DESCRIPTIONS . . . . . . . . . . . 6-1  
1. Outline of operation . . . . . . . . . . . . . . . . . . . . . . 6-1  
[13] ELECTRICAL SECTION . . . . . . . . . . . . . . . . . . 13-1  
2. Scanner section . . . . . . . . . . . . . . . . . . . . . . . . 6-1  
3. Process section . . . . . . . . . . . . . . . . . . . . . . . . 6-2  
4. Laser unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5  
5. Paper feed section . . . . . . . . . . . . . . . . . . . . . . 6-6  
6. Fusing section . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7  
1. Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1  
2. MCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-2  
3. CCD PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-13  
[14] CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . 14-1  
[15] ACTUAL WIRING DIAGRAM . . . . . . . . . . . . . 15-1  
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AR-161  
4. System configuration  
[1] GENERAL  
Single pass feeder  
(AR-SP2)  
1. General  
This model is a digital personal copier produced with key words of  
"Comfort able copy, Clear copy, Easy copy" providing high copy per-  
formances and copy productivity.  
2. Target user copy volume: Monthly  
average  
Stand-alone copier:  
2000~3000 sheets  
Compound machine: 4000~5000 sheets  
3. Main features  
A. High-speed laser copying  
• First-copy time is only 7.2 seconds (normal mode).  
• Copying speed is 16 copies/min., which adapts to business use,  
allowing improvement of working efficiency.  
B. High-quality digital image  
• High-quality copying at 600 dpi is performed.  
500-sheet paper feed unit  
(AR-DE6)  
• In addition to the automatic exposure mode, the manual exposure  
can be adjusted in five steps.  
250-sheet paper feed unit  
(AR-DE5)  
• The photo mode copying function allows clear copying of delicate  
halftone original images such as monochrome photos and color  
photos. Photo mode is adjustable in five steps  
C. Substantial copying features  
• Zoom copying from 50% to 200% in 1% increments can be per-  
formed.  
• Continuous copying of maximum 99 sheets can also be per-  
formed.  
Electronic sorting kit (AR-EB3)  
*Facsimile expansion kit (AR-FX2)  
*Printer expansion kit (AR-PB8)  
*LCD panel kit (AR-PA1)  
• Useful special features such as the XY zoom, black and white  
reverse, and dual page copy are available.  
*Job separator tray (AR-TR2)  
*PS2 expansion kit (AR-PS1)  
*There may be no setting for AR-FX2, AR-PB8, AR-PA1,  
AR-TR2, and AR-151 depending on the destination.)  
• Toner save mode reduces toner consumption by approximately  
10%.  
• User programs allow setting/modification of functions for customer  
needs. Also the user programs allow the internal auditor to be  
controlled.  
D. Scan once/ Print many (Only AR-161 for  
USA/Canada)  
• The copier is equipped with a 1-page memory buffer. This memory  
allows the copier to scan an original 1 time only and make up to 99  
copies. This feature allows for improved workflow, reduced operat-  
ing noise from the copier and reduced wear and tear on the scan-  
ning mechanism, which provides for a higher reliability.  
5. Copier installation  
Do not install your copier in areas that are:  
• damp, humid, or very dusty  
• exposed to direct sunlight  
• poorly ventilated  
E. Optional features  
• An optional single pass feeder (SPF) allows automatic document  
feeding of up to 30 sheets.  
• subject to extreme temperature or humidity changes, e.g., near an  
air conditioner or heater.  
• Be sure to allow the required space around the machine for servic-  
ing and proper ventilation.  
• An optional electronic sort board allows many useful copier fea-  
tures to be used. Multiple sets of copies can be sorted without the  
aid of a sorter and each set can be offset from the previous set.  
Also the erase, margin shift, and 4 in 1 and 2 in 1 functions are  
available. (To use the 2 in 1 and 4 in 1 and sort/group functions,  
an optional SPF is also needed.) (Offset only for AR-161)  
• This copier can be used as a laser printer by installing an optional  
printer upgrade kit. (Depends on the destination)  
4" (10 cm)  
• This copier can be used as a facsimile machine by installing an  
optional facsimile upgrade kit. (Depends on the destination)  
F. Environmentally friendly design  
• Paper output tray is housed in the copier for space saving.  
• Preheat mode and auto power shut-off mode are provided to  
reduce power consumption in standby mode.  
1 – 1  
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AR-161  
E. Paper feed  
[2] SPECIFICATIONS  
Copy size  
(Max. ∼ Min.) Cassette: (A3 ∼ A6)  
Paper feed  
system  
1 cassette + Multi manual paper feed  
1. Copy mode  
A. Type  
Paper feed  
capacity  
250 × 1 (Paper feed tray) + 100 (Multi bypass  
feed tray)(56 ∼ 80g/m2 equivalent)  
Type  
Desk-top  
Remaining  
quantity detection  
Cassette section Empty detection available,  
size detection by key input  
B. Copy speed  
(1) Basic speed  
Manual tray  
Only empty detection  
available  
1 scan 1 copy  
16 sheets/min  
(1) Paper feed section of the copier  
1 scan multi copy  
Not available  
(Available for AR-161 for USA/Canada)  
Paper feed size  
A3, B4, A4, A4R, B5, B5R, A5  
11" × 17", 8.5" × 14", 8.5" × 13", 8.5" × 11",  
Condition: Copy speed in the normal copy from all the paper feed  
ports including the manual paper feed port.  
8.5" × 11"R, 8.5" × 5.5"  
Side front  
Front 1st step  
250 sheets (56 ∼ 80g/m2 equivalent)  
(2) Continuous copy speed (Sheets/min)  
Paper feed  
capacity  
Enlargement  
(200%)  
Reduction  
(50%)  
Paper size  
Normal  
Detection  
Paper empty detection available, size  
detection (by key input)  
56 ∼ 80g/m2  
A3  
B4  
A4  
9
9
9
Weight  
10  
16  
12  
16  
14  
9
10  
16  
12  
16  
14  
9
10  
14  
12  
16  
14  
9
AB  
system  
Special paper  
Recycled paper  
A4R  
(2) Manual paper feed section  
B5  
Paper feed size  
A3 ∼ A5  
100 sheets  
B5R  
Paper feed  
capacity  
11" × 17"  
8.5" × 14"  
8.5" × 13"  
8.5" × 11"  
8.5" × 11"R  
8.5" × 5.5"  
10  
10  
16  
12  
16  
10  
10  
16  
12  
16  
10  
10  
14  
12  
16  
Detection  
Size detection not available, paper empty  
detection available  
56 ∼ 128g/m2  
Recycled paper, OHP film, labels  
Single except for recycled paper  
Inch  
system  
Weight  
Special paper  
Paper feed  
C. First copy time  
(1) Basic speed  
(3) Option paper feed unit  
1-step paper feed  
2-step paper feed  
unit  
unit  
First copy time  
7.2sec (A4, 8.5" × 11"/1st cassette/with OC)  
Model  
AR-DE5  
AR-DE6  
D. Document  
Max. document size  
Paper feed size  
A3, B4, A4, A4R, B5, B5R, A5  
11" × 17", 8.5" × 14", 8.5" × 13", 8.5" × 11",  
8.5" × 11"R, 8.5" × 5.5"  
A3, 11" × 17"  
Left side center  
None  
Document reference position  
Detection (Platen)  
Capacity  
(56 ∼ 80g/m2)  
Paper weight  
About 250 sheets × About 250 sheets ×  
1 step  
2 steps  
Detection size  
A3, B4, A4, A4R, B5, B5R  
11" × 17", 8.5" × 14",  
8.5" × 13", 8.5" × 11",  
8.5" × 11"R, 8.5" × 5.5"  
56 ∼ 80 g/m2  
Moisture preserving  
heater  
Standard provision  
Detection  
Paper empty detection, size detection (by  
key input)  
(1) SPF/R-SPF  
Paper size setting  
User setting (by key input)  
Standard/Option  
Option  
SPF, AR-SP2  
RSPF; Not available  
30 sheets (56 ∼ 90g/m2 equivalent)  
External dimensions  
(W × D × H)  
Weight  
570 × 570 × 103mm 570 × 570 × 208mm  
Document load capacity  
About 8.5kg  
About 14kg  
Document size  
(Max. ∼ Min.)  
A3 ∼ A5  
Special paper  
Power  
Recycled paper  
11" × 17" ~ 8.5" × 5.5"  
Supplied from the machine (5V/24V)  
100% (document replacement rate)  
Document replacement  
speed  
16 sheets/min (A4 normal copy)  
F. Job speed  
S-S (1st step)  
Document set/Paper feed Face up, Center reference, Paper  
direction  
feed from the top  
Condition: With SPF  
G. Multi copy  
Document weight  
Document size detection  
Document mixture  
56 ∼ 90g/m2, 15 ∼ 23.9 lbs  
On the document feed tray  
Copy mode: Not Available  
Max. number of multi copy  
99 sheets  
2 – 1  
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AR-161  
H. Warmup time  
N. Paper exit/finishing  
Paper exit  
Face down 250 sheets  
Warmup time  
Approx. 35 sec  
section capacity  
(Condition: Standard condition)  
Job separator  
Job separator, option (AR-TR2)  
Pre-heat  
Available  
Upper: FAX/Printer, Lower: Copier  
Upper: 100sheets, Lower 150sheets  
Jam recovery time Second  
(Condition: Left for 60 sec after door open.  
Standard condition, polygon motor not  
stopped)  
Full detection  
Finishing  
Available (Job separator upper step)  
Electronic sort board: Option (AR-EB3)  
A4 standard document 60 sheets  
Second  
Electronic sort  
capacity  
(Condition: Polygon motor stopped)  
Offset function  
Staple function  
AR-161: Available  
None  
I. Copy magnification ratio  
Fixed magnification ratio AB system: 50, 70, 81, 86, 100, 115,  
122, 141, 200%  
(1) Electronic sort board (Option)  
Inch system: 50, 64, 77, 95, 100, 121,  
129, 141, 200%  
Electronic sort  
Sorting  
60 sheets of A4 standard  
documents  
Zooming  
50 ∼ 200%  
Grouping 60 sheets of A4 standard  
documents  
Independent  
zooming/vertical  
Available (50 ∼ 200%)  
Rotation copy  
If there is paper of same size as the  
document, the image is rotated to copy even  
though the paper is set in the different  
direction from the document direction.  
Independent zooming  
(horizontal)  
Available (50 ∼ 200%)  
2 in 1, 4 in 1  
Edge erase  
Center erase  
Margin shift  
Copies of 2 pages or 4 pages are integrated  
into one surface. Divided by solid lines,  
(Selectable by the user program.)  
J. Print density  
Density mode  
Auto/Manual/Photo  
No. of manual adjustment 5 steps (Manual/Photo)  
Images surrounding the document are erased  
when copying. (Adjustable in 0 ∼ 20mm by the  
user program.)  
Toner save mode  
K. Print area  
Max. print area  
Set by the user program  
The image at the center is erased when  
copying. (Adjustable in 0 ∼ 20mm by the user  
program.)  
Max.  
A3  
416 × 293  
416 × 293  
360 × 253  
206 × 293  
293 × 206  
178 × 253  
253 × 178  
428 × 275  
428 × 275  
352 × 212  
212 × 326  
212 × 275  
275 × 212  
212 × 136  
Binding margin is made at the left edge of the  
set documents.  
B4  
AB system  
A4  
A4R  
O. Additional functions  
APS*  
F
(APS not available by flowing in during  
use of SPF)  
B5  
AMS*  
F
(AMS not available by flowing in during  
use of SPF)  
B5R  
Inch system  
Max.  
Duplex  
✕
✕
v
F
11" × 17"  
8.5" × 14"  
8.5" × 13"  
8.5" × 11"  
8.5" × 11"R  
8.5" × 5.5"  
Document count  
Sorter  
When the electronic sort board installed.  
Independent  
zooming  
Vertical/Horizontal: 50 ∼ 200%  
1 set 2 copy  
F
Enlargement inhibited, inhibited during  
the use of SPF  
Binding margin  
Edge erase  
v
v
F
Shift width 9mm  
Width 5mm (Adjustable 0 ∼ 20mm)  
Whole surface only  
L. Void width  
Black-white  
reversion  
Void area  
Lead edge 1 ∼ 4mm, rear edge 4mm or less,  
both side 4mm or less  
2 in 1, 4 in 1  
v
v
✕
F
Image loss  
Max. 4mm in total of lead edge and rear  
edge, max. 4mm in total of right and left  
edges (Normal copy)  
Rotation copy  
Memory copy  
Pre-heat function  
(AR-161 for USA/Canada: Available)  
Conditions set by the user program  
Conditions set by the user program  
M. Auto duplex  
Auto power shut  
off function  
F
Standard/Option  
Not installable  
Auto tray  
switching  
F
Message display  
User program  
Total counter  
v
F
F
(FAX/Printer extension)  
*: By the document size set key  
v: When an option is installed  
2 – 2  
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AR-161  
P. machine composition  
V. Reliability  
Model  
Target users  
Stand-alone copier  
Compound machine  
Monthly average  
2,000 ∼ 3,000 copies  
Monthly average  
4,000 ∼ 5,000 copies  
AR-160  
Standard model  
AR-161  
Standard model (with shifter)  
(USA/Canada: with memory copy)  
W. Noise  
(1) Option  
Noise  
BA standard  
Machine  
Model  
AR-DE5  
AR-DE6  
AR-SP2  
AR-EB3  
AR-PB8  
AR-FX2  
AR-PA1  
Power supply  
250 sheets paper feed unit  
500 sheets paper feed unit  
SPF  
Supplied by the copier.  
Supplied by the copier.  
Supplied by the copier  
Supplied by the copier.  
Supplied by the copier.  
Supplied by the copier.  
Supplied by the copier.  
X. Digital performance  
Resolution  
Reading  
400 dpi  
600 dpi  
Writing  
Reading  
Writing  
Electronic sorting kit  
Printer expansion kit  
Facsimile extension kit  
Gradation  
256 gradations  
Binary  
LCD panel kit  
(20 digits × 2 lines)  
Job separator tray  
PS2 expantion kit  
AR-TR2  
AR-PS1  
AR-MM5  
Extension memory for FAX  
(2MB)  
Extension memory for FAX  
(4MB)  
AR-MM6  
AR-MM7  
Extension memory for FAX  
(8MB)  
Q. Other specifications  
Photoconductor type  
OPC (Organic Photo Conductor)  
Photoconductor drum dia. 30mm  
Copy lamp  
Xenon lamp  
Developing system  
Dry 2-component magnetic brush  
development  
Charging system  
Transfer system  
Saw teeth charging  
Non-contact (Corona) electrostatic  
transfer  
Separation system  
Fusing system  
Natural separation  
Heat roller + Separation pawl  
Contact blade  
Cleaning system  
R. Package form  
Body  
Body/Accessaries  
S. External view  
External dimensions  
(W × D × H)  
590 × 531 × 467 mm  
Occupying area (W × D)  
590 × 531mm  
(When the manual tray is installed.)  
Weight  
About 34.1kg  
T. Power source  
Voltage  
AC120V, 220V, 240V ± 15%  
Frequency  
50/60Hz common  
U. Power consumption  
Max. power consumption  
About 1.3KWh  
* EnergyStar standard (The second level conformity)  
Pre-heat  
About 60Wh  
About 4.8Wh  
Auto power shut off  
2 – 3  
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AR-161  
[3] CONSUMABLE PARTS  
1. Supply system table  
A. USA, CANADA  
Product name of  
other company  
NO  
1
Name  
Content  
Life  
Package  
4
Remark  
Developer cartridge (Black) Toner/developer cartridge  
(Toner 610g, Developer 395g)  
× 1 15K AR-200TD  
(*1 AR-200TD-J)  
Life setting by A4 6%  
document  
Vinyl bag  
× 1  
2
3
Drum cartridge  
Toner kit (Black)  
Drum cartridge  
Vinyl bag  
× 1 30K AR-200DR  
× 1  
× 10 150K AR-200MT  
4
1
(*1 AR-200DR-J)  
Toner bottle (Toner 610g)  
Charging hose  
Toner cap  
Life setting by A4 6%  
document  
(*1 AR-200MT-J)  
× 1  
× 10  
× 10  
4
5
Waste toner box  
Waste toner box  
Toner bottle (Developer 395g)  
Developer cap  
DV blade  
AR-200TB  
1
1
Developer kit (Black)  
× 10 150K AR-200MD  
(*1 AR-200MD-J)  
× 10  
× 10  
× 10  
6
7
Protective cover  
Drum kit  
MG cover  
AR-200MG  
1
Drum  
Drum fixing plate  
× 1 30K AR-200MR  
(*1 AR-200MR-J)  
AR-200CB  
10  
8
Blade kit  
Blade  
× 10  
Each × 10  
1
Mocket (F/R)  
* 1 Production in China for USA  
Note: Maintenance parts other than mentioned above must be ordered through the parts department using the proper part number.  
B. Asia, Southeast Asia  
Product name of  
other company  
NO  
1
Name  
Content  
Life  
Package  
4
Remark  
Developer cartridge (Black) Toner/developer cartridge  
(Toner 610g, Developer 395g)  
× 1 15K AR-200TD  
Life setting by A4 6%  
document  
Vinyl bag  
× 1  
2
3
Drum cartridge  
Toner kit (Black)  
Drum cartridge  
Vinyl bag  
× 1 30K AR-200DR  
4
1
× 1  
Toner bottle (Toner 610g)  
Charging hose  
Toner cap  
× 10 150K AR-200CT  
× 1  
× 10  
Life setting by A4 6%  
document  
4
5
Waste toner box  
Waste toner box  
× 10  
AR-200TB  
1
1
Developer kit (Black)  
Toner bottle  
(Developer 395g)  
× 10 150K AR-200CD  
Developer cap  
DV blade  
× 10  
× 10  
6
7
Protective cover  
Drum kit  
MG cover  
× 10  
AR-200MG  
1
Drum  
Drum fixing plate  
× 1 30K AR-200CR  
10  
8
Blade kit  
Blade  
× 10  
Each × 10  
AR-200CB  
1
Mocket (F/R)  
Note: Maintenance parts other than mentioned above must be ordered through the parts department using the proper part number.  
3 – 1  
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AR-161  
C. Europe / Australia / New Zealand / Middle East / Africa / CIS  
Product name of  
other company  
NO  
1
Name  
Content  
Life  
Package  
4
Remark  
Developer cartridge (Black) Toner/developer cartridge  
(Toner 610g, Developer 395g)  
× 1  
15K AR-200DC  
Life setting by A4 6%  
document  
Vinyl bag  
× 1  
× 1  
× 1  
2
3
Drum cartridge  
Toner kit (Black)  
Drum cartridge  
Vinyl bag  
30K AR-200DM  
4
1
Toner bottle (Toner 610g)  
Charging hose  
Toner cap  
× 10 150K AR-200LT  
Life setting by A4 6%  
document  
× 1  
× 10  
4
5
Waste toner box  
Waste toner box  
Toner bottle (Developer 395g)  
Developer cap  
DV blade  
× 10  
AR-200TB  
1
1
Developer kit (Black)  
× 10 150K AR-200LD  
× 10  
× 10  
6
7
Protective cover  
Drum kit  
MG cover  
× 10  
× 1  
AR-200MG  
1
Drum  
Drum fixing plate  
30K AR-200LR  
10  
8
Blade kit  
Blade  
× 10  
AR-200CB  
1
Mocket (F/R)  
Each × 10  
D. Hong Kong / China  
Product name of  
other company  
NO  
1
Name  
Content  
Life  
Package  
4
Remark  
Developer cartridge (Black) Toner/developer cartridge  
× 1  
15K AR-200TD-C  
Life setting by A4 6%  
document  
(Toner 610g, Developer 395g)  
Vinyl bag  
× 1  
× 1  
× 1  
2
3
Drum cartridge  
Toner kit (Black)  
Drum cartridge  
Vinyl bag  
30K AR-200DR-C  
4
1
Toner bottle (Toner 610g)  
Charging hose  
× 10 150K AR-200CT-C  
Life setting by A4 6%  
document  
× 1  
Toner cap  
× 10  
4
5
Waste toner box  
Waste toner box  
Toner bottle (Developer 395g)  
Developer cap  
× 10  
AR-200TB-C  
1
1
Developer kit (Black)  
× 10 150K AR-200CD-C  
× 10  
DV blade  
× 10  
6
7
Protective cover  
Drum kit  
MG cover  
× 10  
× 1  
AR-200MG-C  
Drum  
Drum fixing plate  
30K AR-200CR-C  
10  
1
8
Blade kit  
Blade  
× 10  
AR-200CB-C  
Mocket (F/R)  
Each × 10  
Note: Maintenance parts other than mentioned above must be ordered through the parts department using the proper part number.  
3 – 2  
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AR-161  
2. Environment conditions  
3. Production number identification  
A. Transport condition  
(1) Transport conditions  
<TD cartridge>  
The label on the drum cartridge shows the date of production.  
B
Destination Serial number  
(∗) (00001-99999)  
Indicates production in China.  
Production  
month  
January  
1
The end digit of production year  
September  
October  
9
0
∗: Destination  
November  
December  
X
Y
Division  
Japan option  
Ex option  
No.  
1
2
Japan, same pack  
Ex, same pack  
6
7
Temperature  
(2) Storage conditions (packed conditions)  
<Drum cartridge>  
The label on the drum cartridge shows the date of production.  
Ver. A  
1
Serial number (for each Production  
month) (00001-99999) month  
January  
1
Factory  
Temperature  
The end digit of production year  
September  
October  
November  
December  
9
0
X
Y
Division  
Ex production  
Option  
No.  
1
B. Use conditions  
2
Same pack  
3
Use envi-  
ronment  
conditions  
Temperature  
C. Life (packed conditions)  
Photoconductor drum (36 months from the production month)  
Developer, toner (24 months from the production month)  
3 – 3  
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AR-161  
4) Remove the DV blade.  
4. Consumable parts recycling procedure  
Note: Be sure to remove adhesive completely.  
Remove adhesive together with the base PET.  
A. TD cartridge  
1) Check the external view.  
Note: Be careful especially of breakage of the pins and the ATC  
sensor connector shown below.  
5) Tilt the developing unit, rotate the DV gear clockwise, and  
remove developer.  
2) Remove the waste toner box unit.  
6) Clean and remove developer on the MG roller and toner on the  
developing doctor completely with a vacuum cleaner or an air  
blower.  
7) Shake the developer bottle about 10 times and supply developer  
to the developing unit.  
Turn the stirring roller to distribute developer evenly.  
8) Install the toner box.  
9) Shake the toner bottle about 20 times and install the toner supp-  
ly hose to the toner bottle.  
10) Remove the toner cap. While visually inspecting from the toner  
supply port, stop the TH shaft at the vertical position. (The TH  
mylar is on the lower side.) (Turn the gear on the back of the  
toner box counterclockwise to set the TH mylar on the lower  
side.)  
3) Remove the developing unit.  
3 – 4  
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AR-161  
11) Face the toner supply port of the toner box upward with the  
toner bottle put straight, and insert the supply hose into the toner  
supply port.  
17) Shake the developing unit 5 times left and right horizontally.  
18) Check the distribution state of developer on the MG roller.  
Rotate the MG roller and visually check for no improper distribu-  
tion of developer which may be caused by foreign materials.  
19) Mark the number of times of recycling on the back of the toner  
box with white paint.  
Max. times of recycling: 5 times  
12) Lift the toner bottle and supply toner.  
13) Remove the supply hose from the toner box with care not to spill  
toner, and attach the toner cap.  
B. Drum unit  
1) Check the external view.  
Note: If the toner cap is not attached properly, toner splash may  
occur.  
•
•
Check for damage or cracks on the boss and the boss hole.  
14) Install the waste toner box.  
Check to insure that the waste toner pipe shutter slides  
smoothly.  
15) Check the operations of the DV lever and the toner box shutter.  
16) Wipe and clean the developer unit with alcohol, and attach the  
DV blade to it.  
•
Check to insure that the start ring and the CRU washer rotate  
smoothly.  
(Note) • Dry alcohol completely before attaching the DV blade,  
• When attaching the DV blade, be careful not to scratch it  
and eliminate slack.  
• After attaching, be careful not to scratch and damage the  
DV blade.  
3 – 5  
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AR-161  
2) Remove the drum cover.  
6) Remove the cleaning blade.  
Note: Dispose the cleaning blade which was removed.  
7) Clean the cleaning section and the waste toner pipe to remove  
waste toner completely with a vacuum cleaner.  
3) Remove the drum fixing plate and the photoconductor drum.  
(Note) Dispose the drum fixing plate which was removed.  
8) Remove the felt and duplex tape completely.  
Note: Be careful not to scratch or bend the sub blade.  
9) Attach the cleaning blade.  
10) Attach the felt.  
4) Check the cleaning blade and the red felt for no damage.  
•
If there is any damage, execute all procedures from item 5)  
and later.  
•
If there is no damage, execute the procedure of item 12).  
5) Remove the main charger.  
(Cleaning the screen grid and the sawteeth.)  
3 – 6  
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AR-161  
11) Attach the main charger.  
12) Attach the drum fixing plate and the photoconductor drum.  
Apply grease to the inside of the photoconductor drum. (Dia. 2)  
13) Attach the detection gear.  
Note: • The detection gear is not installed to the drum cartridge  
packed with the main body. Add a new one.  
14) Attach the drum cover.  
Note: After attaching the drum cover, do not make a copy.  
15) Mark the number of times of recycling on the side of the cover  
with white paint.  
Max. times of recycling: 5 times  
3 – 7  
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AR-161  
[4] EXTERNAL VIEWS AND INTERNAL STRUCTURES  
1. Appearance  
1
4
7
Original cover  
Power switch  
Front cover  
2
5
8
Original table (OC table)  
Operation panel  
Paper tray  
3
6
9
Handles  
Paper output tray  
Side cover  
10 Side cover handle  
11 Bypass tray guides  
12 Bypass tray  
13 Bypass tray extension  
2. Internal  
1
4
7
Drum cartridge handle  
TD cartridge strap  
2
5
8
Drum cartridge  
TD cartridge  
Paper guide  
3
6
TD cartridge handle  
Roller rotating knob  
Fusing unit release levers  
4 – 1  
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AR-161  
3. Operation Section  
1
4
7
Interrupt key and indicator  
Copy ratio display key  
AUDIT CLEAR key  
2
5
8
Copy quantity display  
Zoom keys  
3
6
9
ZOOM indicator  
PAPER SIZE ENTER key  
Alarm indicators  
PAPER SIZE indicators  
10 POWER SAVE indicator  
11 SPF indicator  
12 Output tray full indicator  
13 B/W REVERSE key and indicator  
16 ORIGINAL DATA indicator  
14 XY-ZOOM key and indicator  
17 2 IN 1 / 4 IN 1 key and indicators  
15 SORT/GROUP key and indicators  
18 AUTO/MANUAL/PHOTO key and  
indicators  
19 Light and dark keys and indicators  
22 CLEAR key  
20 Numeric keys  
21 Zero key  
23 START key and indicator  
24 CLEAR ALL key  
25 PRESET RATIO selector keys and  
indicators  
26 ORIGINAL SIZE ENTER key and  
indicators  
27 AUTO PAPER SELECT indicator  
28 TRAY SELECT key  
29 AUTO IMAGE key and indicator  
30 Paper feed location/misfeed location  
indicators  
31 DUAL PAGE COPY key and indicator  
32 ERASE key and indicators  
33 MARGIN SHIFT key and indicator  
* 1  
* 2  
ON: Indicates that the machine is in the energy saving (pre-heat)  
mode.  
Maintenance lamp  
When the set count number (set by the simulation) is reached,  
the lamp lights up. The machine does not stop.  
Blink: Indicates that the machine is in the process of resetting from  
the energy saving mode or just after supplying the power.  
(During warmup)  
TD cartridge replacement required indicator  
When toner density is lower than a specified level, the TONER  
DEVELOPER CARTRIDGE REPLACEMENT indicator lights up  
to warn the user.  
OFF: Indicates that resetting from the energy saving mode is com-  
pleted and that the fusing temperature is in ready state.  
If toner is not added after approximately 10 sheets are copied,  
the indicator starts blinking and machine starts to supply toner.  
(Toner Developer cartridge replacement indicator keeps lighting  
up)  
If toner density is not back to specific level after two minutes, the  
READ indicator goes out and Toner Developer indicator starts  
blinking, and the copier stops.  
The combinations of the above display lamps are as follows:  
(F = ON, D = OFF)  
Immediately after  
Lamp  
Ready  
Copying  
power ON  
Pre-heat lamp  
Ready lamp  
Other lamps  
Blink  
D
D
F
F
D
D
F
F
Photoconductor cartridge replacement lamp  
When the copy count reaches 29,000 after installing  
Photoconductor cartridge, the lamp lights up.  
When 1,000 copy is made after that, the lamp blinks instead of  
lighting. The machine does not stop.  
Press and hold the clear key for 5 sec in the user simulation  
mode to display the remaining life of the photoconductor  
cartridge in 3 digits x 2 lines on the copy quantity display.  
a
Copy is  
started during  
from energy resetting from  
saving mode energy saving  
mode  
Energy  
Energy  
saving mode  
(Pre-heating)  
Resetting  
saving mode  
(Auto power  
shut off)  
Lamp  
Pre-heat lamp  
Ready lamp  
Other lamps  
F
F
F
F
D
D
Blink  
F
Blink  
D
Paper required indicator  
F
F
Misfeed indicator  
4 – 2  
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4. Motor, solenoid, clutch  
1
2
3
4
5
6
7
8
9
1
3
1
2
1
1
1
0
No.  
1
Name  
Code  
VFM  
Function, operation  
Exhaust fan motor  
Shifter motor  
Cools the inside of the machine.  
Shifts the paper exit tray. (AR-161)  
Toner supply  
2
3
Toner motor  
TM  
MRM  
CFM  
4
Mirror motor  
Drives the optical mirror base (scanner unit).  
Cools the inside of the machine.  
Drives the machine.  
5
Cooling fan motor  
Main motor  
6
MM  
7
Paper feed solenoid  
Resist roller solenoid  
CPFS1  
RRS  
Solenoid for paper feed from cassette  
Resist roller rotation control solenoid  
Manual paper feed solenoid  
8
9
Manual paper feed solenoid  
MPFS  
MPTC  
MPFC  
CPFC1  
RRC  
10 Manual paper transport clutch  
11 Manual paper feed clutch  
12 Paper feed clutch  
Drives the manual paper transport roller.  
Drives the manual paper feed roller.  
Drives the cassette paper feed roller.  
Drives the resist roller  
13 PS clutch  
4 – 3  
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AR-161  
5. Sensor, switch  
1
2
3
5
4
6
7
8
9
1
1
0
1
1
2
1
5
1
3
1
4
No.  
Name  
Code  
MHPS  
CSD1  
TCS  
Function, operation  
1
2
Mirror home position sensor  
Cassette detection switch  
Toner density sensor  
Paper exit sensor (paper exit side)  
Right door switch  
Detects the mirror (scanner unit) home position.  
Cassette detection  
3
Toner quantity detection  
4
POD1  
DSWR  
Detects paper exit.  
5
Side door open/close detection  
6
Paper full sensor  
Paper exit tray section full detection <For JOB separator>  
Paper feed tray lift up detection <For JOB separator>  
Paper transport detection  
7
Lift sensor  
8
Paper exit sensor (DUP side)  
Thermistor  
POD2  
9
Fusing section temperature detection  
Fusing section abnormally high temperature detection  
Paper transport detection  
10  
11  
12  
13  
14  
15  
Thermostat  
Paper transport sensor  
Manual sensor  
PPD  
MPED  
PED1  
Manual transport detection  
Cassette paper sensor  
Drum reset switch  
Power switch  
Cassette paper empty sensor  
DRST  
New drum detection switch  
MAIN SW  
Turns ON/OFF the main power source.  
4 – 4  
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AR-161  
6. PWB unit  
1
2
3
4
5
6
8
7
No.  
Name  
Copy lamp invertor PWB  
Function, operation  
1
2
3
4
5
6
7
8
Copy lamp control  
Power PWB  
AC power input/DC power control  
High voltage control  
High voltage PWB  
CCD sensor PWB  
Main PWB (MCU)  
Image scanning  
Machine control/Image process  
Paepr exit, finishing control  
Operation panel input/Display  
Paper exit interface PWB  
Electronic sort function  
Operation main PWB  
Operation panel input/Display, operation panel section control  
4 – 5  
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AR-161  
7. Cross sectional view  
1
2
3
4
5
6
1
8
7
8
9
1
9
1
1
0
1
1
2
1
7
1
6
1
5
1
4
1
3
No.  
1
Name  
Function/Operation  
Copy lamp  
Image radiation lamp  
2
Copy lamp unit  
LSU unit  
Operates in synchronization with No. 2/3 mirror unit to radiate documents sequentially.  
Converts image signals into laser beams to write on the drum.  
Reads images with the lens and the CCD.  
Supplies negative charges evenly on the drum.  
Used to discharge paper.  
3
4
Lens unit  
5
MC holder unit  
Paper exit roller  
Transport roller  
Upper heat roller  
Lower heat roller  
Drum unit  
6
7
Used to transport paper.  
8
Fuses toner on paper (with the teflon roller).  
Fuses toner on paper (with the silicon rubber roller).  
Forms images.  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
Transfer charger unit  
Resist roller  
Transfer images (on the drum) onto paper.  
Takes synchronization between the paper lead edge and the image lead edge.  
Manual paper feed tray  
Manual paper feed tray  
Manual paper feed roller  
Manual transport roller  
Picks up paper in manual paper feed.  
Transports paper from the manual paper feed port.  
Picks up paper from the cassette.  
Paper feed roller (semi-circular roller)  
MG roller  
Puts toner on the OPC drum.  
No. 2/3 mirror unit  
Reflects the images from the copy lamp unit to the lens unit.  
Transports waste toner to the waste toner box.  
Waste toner transport roller  
4 – 6  
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AR-161  
3. Installation of developing cartridge  
1) Open the manual paper feed tray.  
[5] UNPACKING AND  
INSTALLATION  
1. Installation of machine  
A. Installing conditions  
Since the machine performance is largely affected by the installing  
place conditions, take enough considerations on the following items  
1) Environment  
• Avoid installation at a place with direct sunlight. If not, the plastic  
parts may be deformed.  
• Avoid installation near a heater, a humidifier, or an air conditioner  
where humidity and temperature are extremely high or low. If not,  
paper may be dampened and dew is formed inside the machine,  
causing paper jam or dirty copies.  
2) Lift the knob and slide the side cover gently.  
• Avoid installation at a dusty place. If dust enters the machine, dirty  
copy or a trouble may be caused.  
• Avoid installation at a place with vibrations. If not, a machine  
trouble may be caused.  
• Avoid installation at a poorly ventilated place.  
• Avoid installation at a place that is filled with ammonium gas. If the  
copier is installed near a diazo-copier, dirty copies may be  
resulted.  
2) Space around the copier  
3) Open the front cover.  
• Allow a space of more than between the copier rear side and the  
wall.  
• Hold the both edge gently and open the front cover.  
3) Power source  
• Use an exclusive-use power outlet of 15A and 100V or more. If the  
power plug of this machine is inserted into a power outlet com-  
monly used with other illumination units, flickers of the lamp may  
be resulted. Use a power outlet which is not used commonly with  
any illumination units.  
• Avoid complex wiring.  
4) Grounding wire connection.  
• To avoid danger, be sure to connect a grounding wire. If no groun  
ing wire is connected and a leakage occurs, a fire or an electric  
shock may be resulted.  
4) Remove the screw from the upper section of the insertion port of  
the developer cartridge.  
2. Removal of protective material and  
fixing screw  
1) Remove all tapes and protective material.  
• Remove all tapes, then open the document cover and remove  
the protective material of sheet shape  
2) Remove the fixing screw.  
• Use a coin to remove the fixing screw.  
• The fixing screw is required when transporting the machine.  
Keep it in the tray. (Refer to the later description.)  
5) Shake a new developer cartridge a few times as shown.  
• Shake it horizontally as shown with the arrow.  
5 – 1  
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6) Remove the pawls (3 positions) of the protective cover at therear  
side.  
4. Removal and storage of fixing screw  
1) Lift the knob and gently pull out the tray.  
7) Remove the protective cover.  
2) Hold the paper pressure plate and turn the fixing screw in the  
arrow direction.  
• Pull the cover in the arrow direction to remove.  
8) Insert the developer cartridge.  
3) Store the fixing pin and the fixing screw in the tray.  
• Gently insert the developer cartridge along the guide until it  
locks.  
• Store the fixing screw which was removed in the above proce-  
dure 2 and the fixing screw which was removed in procedure 2  
of 2.  
• Removal of protective material and fixing screw in the storage  
place in the tray.  
Pressure  
plate  
lock  
9) Fix the developer cartridge with the fixing screw which is packed  
together with the machine.  
Screw  
10) Close the front cover A, then close the side cover B.  
• When closing the front cover, gently press the both sides.  
• When closing the side cover, hold the knob.  
• When closing the covers, be sure to close the front cover first,  
then close the side cover. If closed in a wrong sequence, the  
covers may be broken.  
B
A
5 – 2  
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10) Use the ORIGINAL SIZE ENTER key to select the paper size  
which is set.  
5. Changing the copy paper size in the tray  
1) Gently lift and pull out the paper tray until it stops.  
• Each time the ORIGINAL SIZE ENTER key is pressed, a  
paper size will be indicated with a blinking paper size in-  
dicator.  
2) Push the pressure plate down until it locks in place.  
3) Squeeze the lock lever of the front guide and slide the front guide  
to match the width of the paper.  
Left guide  
Front guide  
4) Move the left guide to the appropriate slot as marked on the tray.  
11) Press the START key and then the PAPER SIZE ENTER key.  
• When using 11" ×17" copy paper, store the left guide in the slot  
at the left front of the paper tray.  
• To change the paper size setting of another tray, repeat steps  
9 to 10 after pressing the START key.  
5) Load copy paper into the tray.  
6) Place the paper size plate in the front of the paper tray.  
• The paper size indication which shows through the slot on the  
front of the copier should match the selected paper size.  
7) Push the paper tray firmly back into the copier.  
8) To set the selected paper size, press and hold down the PAPER  
SIZE ENTER key. The selected paper feed location indicator and  
the corresponding paper size (which has been set) indicator will  
blink. All other indicators will go out.  
• For paper size setting, ensure that the COPY mode has been  
selected. However, if printer or facsimile output is being per-  
formed, paper size setting cannot be made even in the COPY  
mode.  
9) Use the TRAY SELECT key to select the paper tray of which the  
paper size has been changed.  
• Each time the TRAY SELECT key is pressed, a paper tray is  
indicated with a blinking paper feed location indicator. If an  
optional paper feed unit is not installed, this operation is not  
needed.  
5 – 3  
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G. Fusing: Fusing section  
• Heat and a pressure are applied to the toner image on the copy  
paper to fuse the image on the paper.  
[6] OPERATIONAL DESCRIPTIONS  
1. Outline of operation  
The outline of operation is described referring to the basic configura-  
tion.  
2. Scanner section  
A. Scan process  
(Basic configuration)  
The scanner has sensors that are arranged in a line. These sensors  
scan a certain area of a document at a time and deliver outputs  
sequentially. When the line is finished, the next line is scanned, and  
this procedure is repeated. The figure below shows the case where  
an image which is scanned is shown with solid lines.  
Scanner section  
CCD  
Operation  
section  
The direction of this line is called main scanning direction, and the  
scanning direction sub scanning direction. In the figure above, one  
line is divided into 5 sections. Actually, however, one line is divided  
into thousands of sections. For scanning, the light receiving element  
called CCD is used.  
MCU (Main control/image process section)  
Sub scanning direction  
Sensor scanning area  
LSU (Laser unit)  
Laser diode, Polygon mirror lens  
Laser beam  
Paper exit  
Main  
Fusing section  
Process section  
scanning  
direction  
Printer section  
Paper transport section  
Manual paper  
feed section  
Cassette paper  
feed section  
Outline of copy operation  
1
2
A. Setting conditions: Operation panel  
• Set copy conditions such as the copy quantity and the copy den-  
sity with the operation section, and press the START key. The  
information on copy conditions is sent to the MCU.  
3
4
5
B. Image scanning: Scanner section  
• When the START key is pressed, the scanner section starts scan-  
ning of images.The light from the copy lamp is reflected by the  
document and passed through the lens to the CCD.  
5
4
3
2
1
C. Photo signal/Electric signal conversion:  
Scanner section  
To MCU PWB  
• The image is converted into electrical signals by the CCD circuit  
and passed to the MCU.  
The basic resolution indicates the scanner capacity. The basic resolu-  
tion is expressed in dpi (dot/inch) which shows the number of light  
emitting elements per inch on the document.  
D. Image process: MCU  
• The document image signal sent from the CCD circuit is processed  
under the revised conditions and sent to the LSU (laser unit) as  
print data.  
The basic resolution of this machine is 400dpi.  
In the sub scanning direction, at the same time, the motor that drives  
the optical system is controlled to scan the image at the basic resolu-  
tion.  
E. Electric signal/Photo signal (laser beam)  
conversion: LSU  
• The LSU emits laser beams according to the print data. (Electrical  
signals are converted into photo signals.)  
• The laser beams are radiated through the polygon mirror and  
various lenses to the OPC drum.  
F. Printing: Process section  
• Electrostatic latent images are formed on the OPC drum according  
to the laser beams, and the latent images are developed to be  
visible images (toner images).  
• Meanwhile the paper is fed to the image transfer section in  
synchronization with the image lead edge.  
• The toner image is transferred on the paper.  
6 – 1  
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B. Basic structure of scanner section  
1
2
3
4
5
6
7
8
Copy lamp (Xenon lamp)  
Reflector (Converging plate)  
No. 1 mirror  
Generate photo energy to scan documents.  
Collects light emitted from the copy lamp and radiate the document.  
Refracts the reflection light from the document to No. 2 mirror.  
Refracts the reflection light from No. 1 mirror.  
No. 2 mirror  
No. 3 mirror  
Refracts the reflection light from No. 2 mirror.  
Lens  
Converges reflected light from the document to form images on the CCD element.  
Includes No. 2/3 mirror. Driven in synchronization with the copy lamp unit.  
No. 2/3 mirror unit  
Copy lamp unit  
Includes the copy lamp, the reflector, and No. 1 mirror. Driven in synchronization with No. 2/3  
mirror unit by the mirror motor.  
9
CCD PWB  
Reflected light (image) formed on the CCD is converted into electrical signals (analog signals)  
then into digital signals and sent to the MCU.  
10 Mirror motor  
Drives the copy lamp unit and No. 2/3 mirror unit according to the scanning speed.  
Detects the home position of No. 2/3 mirror unit.  
11 MHPS (Mirror home position sensor)  
12 Reference white plate  
Reference white sheet for scanning documents. The reference line of magnification ratio  
adjustment during SIM is also drawn.  
13 OC glass  
Glass table to put a document on it.  
The light from the light source (Xenon lamp) is reflected by a document and passed through three mirrors and reduction lenses to the CCD element  
(image sensor) where images are formed. This system is known as the reduction image sensor system. Photo energy on the CCD element is  
converted into electrical signals (analog signals). (Photo-electric conversion). The output signals (analog signals) are converted into digital signals  
(A/D conversion) and passed to the MCU (main control/image process section). The resolution at that time is 400dpi. The mirror unit in the scanner  
section is driven by the mirror motor. The MHPS is provided to detect the home position of the copy lamp unit.  
3. Process section  
A. Basic structure  
1
2
Main charger unit Charges the OPC drum.  
Cleaning blade  
Collects waste toner on the OPC  
drum.  
3
4
OPC drum  
Images are formed by laser beams  
electrically, and toner is attached to  
the image.  
Transfer unit  
Toner on the OPC drum is transferred  
to the print paper by the potential  
difference.  
5
6
Resist roller  
MG roller  
Makes synchronization between the  
paper and the print image.  
Magnetic brush is formed by  
developer to put toner on the OPC  
drum.  
7
(Laser beam)  
Forms images on the OPC drum.  
6 – 2  
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Operation cycle  
Heat roller  
Paper exit roller  
Paper exit  
Fusing  
Separation charger  
High voltage power  
Separation  
Cleaning blade  
Cleaning  
Waste toner box  
High voltage power  
Main charger  
Transfer  
Transfer charger  
High voltage power  
Charging  
Transfer  
Synchronization  
with drum  
Resist roller  
Exposure  
Developing  
Laser beam  
Laser scanning unit  
Developer  
Toner  
High voltage  
power  
Manual paper  
feed  
Developing unit  
Toner hopper  
Cassette paper  
feed  
B. Outline of print process  
The printer section of this machine employs the laser print system  
where print images are formed by the laser beams on the OPC drum.  
C. Actual print process  
(1) Charging  
A high voltage is applied to the main charger, and negative charges  
are discharged to the OPC drum. A screen grid is provided between  
the main charger and the OPC drum, and negative charges are  
uniformly charged on the OPC drum surface.  
A high voltage (corona) is applied from the main charger to the OPC  
drum to charge the OPC drum.  
Laser beams are radiated to the charged OPC drum to form electrical  
images on the OPC drum. (Exposure)  
Positive charges are attracted by the negative electrode on the OPC  
drum surface and excited in the aluminum layer in the OPC drum.  
(At that time, the print image on the OPC drum cannot be seen: latent  
electrostatic image)  
By the potential difference between the unexposed area and the  
latent electrostatic images, toner ia attracted only to the im-  
ages.(Developing)  
(At that time, the print image formed by toner on the OPC drum can  
be seen. Visible images)  
DC5.5KV  
The toner image on the OPC drum is transferred on the print paper  
by the transfer corona (voltage).  
(-525V/-400V)  
After that, the print paper with the toner image on it is subject to heat  
and pressure in the fusing section to fuse the image on the paper.  
This machine employs the following organic photoconductor (OPC)  
drum.  
An OPC drum is used for the photoconductor.  
(Structure of the OPC drum layers)  
OPC layer  
(20microns thick)  
Pigment layer (0.2  
to 0.3 microns thick)  
Aluminium drum  
6 – 3  
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(2) Exposure  
Non-image area  
A Laser beam is generated from the semiconductor laser and control-  
led by the print pattern signal. The laser writes onto the OPC drum  
surface through the polygon mirrors and lens. The resistance of the  
OPC layer decreases for an area exposed by the laser beam (cor-  
responding to the print pattern signal). The beam neutralizes the  
negative charge. An electrostatic latent image is formed on the drum  
surface.  
-600  
-400  
Developing bias  
Toner attract  
potential  
Image area  
Semiconductor laser  
Residual potential (-50 to -100V)  
0
Charge  
Charge  
Exposure  
Developing  
Time  
Transfer  
Discharge  
Toner is attracted over the shadowed area because of the developing  
bias.  
(4) Transfer  
The visible image on the drum surface is transferred onto the print  
paper by applying a positive charge from the transfer corona to the  
backside of the print paper.  
Exposure  
(semiconductor laser)  
OPC layer  
Pigment  
layer  
Aluminum  
layer  
Drum surface charge  
sfter the exposure  
OPC layer  
Pigment  
layer  
Aluminum  
layer  
Non-image area Image area  
(3) Developing (DC bias)  
A bias potential is applied to the MG roller in the two component  
magnetic brush developing method, and the toner is charged nega-  
tive through friction with the carrier. Non-image area of the drum  
surface charged with negative potential repel the toner, whereas the  
laser exposed portions where no negative charges exist, attract the  
toner. As a result, a visible image appears on the drum surface.  
(5) Separation  
Since the print paper is charged positively by the transfer corona, it is  
discharged by the separation corona. The separation corona is con-  
nected to ground.  
(6) Cleaning  
: Carrier (Magnetized particle)  
Toner remaining on the drum is removed and collected by the clean-  
ing blade. It is transported to the waste toner collecting section in the  
cleaning unit by the waste toner transport roller.  
: Toner (Charge negative by friction)  
(N) (S) : Pemanent magnet  
(provided in three locations)  
N
S
N
MG roller  
DC  
-8V  
-400v  
6 – 4  
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<4> Stop  
(7) Optical discharge (Semiconductor laser)  
The reverse sequence takes place.  
Before the drum rotation is stopped, the semiconductor laser is  
radiated onto the drum to reduce the electrical resistance in the OPC  
layer and eliminate residual charge, providing a uniform state to the  
drum surface for the next page to be printed.  
c. Retaining developing bias at an abnormal occurrence  
<1> Function  
The developing bias will be lost if the power supply was removed  
during print process. In this event, the drum potential slightly abates  
and the carrier makes deposits on the drum because of strong static  
power. To prevent this, the machine incorporates a function to retain  
the developing bias for a certain period and decrease the voltage  
gradually against possible power loss.  
When the electrical resistance is reduced, positive charges on the  
aluminum layer are moved and neutralized with negative charges on  
the OPC layer.  
Semiconductor laser  
<2> Basic function  
Normally, the developing bias voltage is retained for a certain time  
before the drum comes to a complete stop if the machine should stop  
before completing the normal print cycle. The developing bias can be  
added before resuming the operation after an abnormal interruption.  
Therefore, carrier will not make a deposit on the drum surface.  
a. Charge by the Scorotron charger  
<1> Function  
4. Laser unit  
The image data sent from the MCU (image process circuit) is sent to  
the LSU (laser unit), where it is converted into laser beams.  
The Scorotron charger functions to maintain the surface potential of  
the drum even at all times which. It is used to control the surface  
potential regardless of the charge characteristics of the photoconduc-  
tor.  
A. Basic structure  
The LSU unit is the writing section of the digital optical system.  
The semiconductor laser is used as the light source, and images are  
formed on the OPC drum by the polygon mirror and fθ lens, etc.  
The laser beams are passed through the collimator lens, the cylindri-  
cal lens, the polygon mirror, the fθ lens, and the mirror to form images  
on the OPC drum in the main scanning direction. The laser emitting  
PWB is provided with the APC (auto power control) in order to  
eliminate fluctuations in the laser power. The BD PWB works for  
measurement of the laser writing start point.  
<2> Basic function  
A screen grid is placed between the saw tooth and the photoconduc-  
tor. A stable voltage is added to the screen grid to maintain the  
corona current on the photoconductor. As the photoconductor is  
charged by the saw tooth from the main corona unit, the surface  
potential increases. This increases the current flowing through the  
screen grid. When the photoconductor potential nears the grid poten-  
tial, the current turns to flow to the grid so that the photoconductor  
potential can be maintained at a stable level.  
b. Process controlling  
<1> Function  
The print pattern signal is converted into an invisible image by the  
semiconductor laser using negative to positive (reversible) developing  
method. Therefore, if the developing bias is added before the drum is  
charged, toner is attracted onto the drum. If the developing bias is not  
added when the drum is charged, the carrier is attracted to the drum  
because of the strong electrostatic force of the drum.  
To avoid this, the process is controlled by adjusting the drum poten-  
tial and the grid potential of the Scorotron charger.  
<2> Basic function  
Voltage added to the screen grid can be selected, high and low.  
To make it easily understood, the figure below shows voltage transi-  
tion at the developer unit.  
START  
STOP  
0
Print potentioal  
1
2
3
Semiconductor laser Generates laser beams  
Collimator lens  
Polygon  
Converges laser beams in parallel  
Reflects laser beams at a constant  
Toner attract  
potential  
Developing bias  
2)  
mirror,polygon motor rpm  
4
5
BD (Mirror, lens,  
PWB)  
Detects start timing of laser  
scanning  
3)  
1) Low  
fθ lens  
Converges laser beams at a spot  
on the drum.  
Makes the laser scanning speeds  
at both ends of the drum same as  
each other. (Refer to the figure  
below.)  
Drum potential  
4) High  
Time  
<3> Start  
1) Because the grid potential is at a low level, the drum potential is at  
about –400V. (Carrier may not be attracted though the carrier is  
pulled towards the drum by the electrostatic force of –400V.)  
6
Laser emitting PWB  
Emits laser beams according to the  
image data.  
2) Developing bias (–400V) is applied when the photoconductor  
potential is switched from LOW to HIGH.  
3) Once developing bias (–400V) is applied and the photo conductor  
potential rises to HIGH, toner will not be attracted to the drum.  
6 – 5  
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Makes the laser scanning speeds at both ends of the drum same as  
each other.  
B. Laser beam path  
a
≠
b
b
≠ c  
d = e = f  
a
c
d
e
f
5. Paper feed section  
A. Basic structure  
1
2
3
4
5
6
7
8
9
No. 1 cassette paper feed roller (Semi-circular roller)  
Main motor  
Picks up paper from No. 1 cassette.  
Drives the process section and the paper transport section.  
Rotates and controls No. 1 cassette paper feed roller.  
Drives No. 1 cassette paper feed roller.  
No. 1 cassette paper feed solenoid  
No. 1 cassette paper feed roller clutch  
Manual paper feed roller  
Picks up paper from the manual paper feed tray.  
Manual paper transport roller  
Transport paper which was picked up from the manual paper feed tray.  
Drives the manual paper feed roller.  
Manual paper feed roller clutch  
Manual paper transport roller clutch  
Manual paper feed roller solenoid  
Drives the manual paper transport roller.  
Rotates and controls the manual paper feed roller.  
Rotates and controls the manual paper transport roller.  
Takes synchronization between the paper lead edge and the image lead edge.  
Drives the resist roller.  
10 Manual paper transport roller solenoid  
11 Resist roller  
12 Resist roller clutch  
13 Resist roller solenoid  
Rotates and controls the resist roller.  
(1) Cassette paper feed operation  
B. Brief descriptions of operations  
Select the cassette and press the START button, and the paper feed  
roller solenoid will be turned on and the paper feed clutch will be  
released.  
The drive power of the main motor is transmitted through the paper  
feed roller clutch to the paper feed roller, rotating the paper feed roller  
and feeding paper.  
This machine allows two ways of paper feed system: cassette paper  
feed and manual paper feed.  
The cassette of universal type is employed to hold 250 sheets. The  
front loading system allows to attach or detach the cassette from the  
front of the machine.  
Paper size can be selected by the user.  
Paper size detection is set by the software. (User setting is allowed.)  
By installing the optional 1-step paper feed unit or the multi-step  
paper feed unit, the capacity of paper can be increased.  
6 – 6  
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(2) Manual paper feed tray operation  
B. Heat roller  
Select the manual paper feed tray and press the START button, and  
the manual paper feed roller will be turned on to bring the paper feed  
roller in contact with paper and lift the shutter simultaneously.  
The drive power of the main motor is transmitted through the manual  
paper feed roller clutch to the manual paper feed roller, rotating the  
manual paper feed roller and feeding paper.  
A pressure roller is used for the heat roller and a silicone rubber roller  
is used for the lower heat roller for better toner fusing performance  
and paper separation.  
C. Separator pawl  
Four separator pawls are used on the upper heat roller. The  
separator pawls are teflon coated to reduce friction with the roller and  
prevent a smear on the paper caused by the separator pawl.  
(3) Resist roller  
In order to make synchronization between the paper lead edge fed  
from the paper feed port and the image lead edge, the roller is kept  
stationary for a certain time after the paper reaches at the roller to  
warp the paper a little.  
When the paper is warped to a certain level, the resist roller solenoid  
is turned on to release the resist roller clutch.  
The drive power of the main motor is transmitted through the resist  
roller clutch to the resist roller, rotating the resist roller and feeding  
paper.  
D. Thermal control  
1) The heater lamp, thermistor, main PWB, DC power supply PWB,  
and triac within the power supply unit are used to control the  
temperature in the fuser unit.To prevent against abnormally high  
temperature in the fuser unit, a thermostat is used for safety pur-  
poses.  
Heated by the  
heater lamp.  
(950W )  
6. Fusing section  
A. Basic composition  
Safety device  
(thermal breaker, thermal  
fuse)  
The surface temperature  
of the upper heat roller  
is sensed by the thermistor.  
Level of the thermistor is  
controlled bythe main PWB.  
Triac (in the  
power supply unit)  
With the signal from the  
main PWB, the triac is  
controlled on and off.  
(power supply PWB )  
2) The surface temperature of the upper heat roller is set to 180˚C ~  
195˚C. The surface temperature during the power save mode is  
set to 100˚C.  
(Top view)  
3) The self-check function comes active when one of the following  
malfunctions occurs, and an "H" is displayed on the copy quantity  
display.  
Fusing temperature error value  
H4 (Low temperature error)  
• During machine operation  
The case where the fusing temperature (thermistor output  
value) does not reach 155˚C within 55 sec from lighting of the  
heater lamp. (If the toner motor rotates for 10 sec or more  
continuously when starting the machine, the case where the  
fusing temperature does not reach 155˚C within 60 sec.)  
1
2
3
4
Before-fusing  
paper guide  
Guides the paper transported from  
the process section to the fusing unit.  
• During printing  
When the fusing temperature (thermistor output value) falls  
below 145˚C.  
Upper heat roller  
Applies heat and pressure to the  
paper to fuse.  
H3 (High temperature error)  
Thermistor  
Detects the surface temperature of  
the upper heat roller.  
Fusing temperature (thermistor output value) of about 220 to  
240˚C (varies depending on the resistance.)  
Thermostat  
Stops power supply to the heat roller  
in case of an abnormally high  
temperature of the heat roller.  
E. Fusing resistor  
(1) Fusing resistor  
Since the upper heat roller is conductive when copy paper is highly  
moistured and the distance between the transfer unit and the fusing  
unit is short, the transfer current leaks through the copy paper, the  
upper heat roller and the discharging brush.  
To prevent against this, a resistor of 150MOhm is provided between  
the frame and the discharge brush to minimize leak current and  
improve transfer efficiency.  
5
6
Separation pawl  
POD1  
Separates the print paper from the  
upper heat roller.  
Detects that the paper has been  
transported from the fusing section.  
7
8
Heater lamp  
Heats the heat roller.  
Lower heat roller  
Applies a pressure to the paper  
together with the upper heat roller.  
6 – 7  
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[7] ADJUSTMENTS  
1. Adjustment item list  
Section  
Adjustment item  
Adjustment procedure/SIM No.  
A
Process section  
(1) Developing doctor gap adjustment  
(2) MG roller main pole position adjustment  
(3) Developing bias voltage output adjustment  
(4) Main charger voltage output adjustment  
(5) Transfer charger current adjustment  
(1) Image position adjustment  
Developing doctor gap adjustment  
MG roller main pole position adjustment  
SIM 8-1  
SIM 8-2/SIM 8-3  
SIM 8-6  
B
Mechanism section  
SIM 50-1/SIM 50-10  
(2) Main scanning direction (FR direction)  
distortion balance adjustment  
No. 2/3 mirror base unit installing position  
adjustment  
Copy lamp unit installing position adjustment  
F rail height adjustment  
(3) Main scanning direction (FR direction)  
distortion adjustment  
(4) Sub scanning direction (scanning direction)  
distortion adjustment  
Winding pulley position adjustment  
SIM 48-1  
(5) Main scanning direction (FR direction)  
magnification ratio adjustment  
(6) Sub scanning direction (scanning direction)  
magnification ratio adjustment  
a
b
c
d
a
b
OC mode in copying (SIM 48-2)  
SPF mode in copying (SIM 48-5)  
OC mode in FAX (SIM 48-6)  
SPF mode in FAX (SIM 48-7)  
OC mode (SIM 50-13)  
SPF mode (SIM 50-16)  
SIM 41-2  
(7) Off center adjustment  
(8) Document size detection sensor  
(1) Copy mode  
C
Image density adjustment  
SIM 46-1  
2. Copier adjustment  
A. Process section  
3) Push the developing doctor in the arrow direction, and tighten the  
developing doctor fixing screw. (Perform the same procedure for  
the front and the rear frames.)  
(1) Developing doctor gap adjustment  
1) Loosen the developing doctor fixing screw A.  
2) Insert a thickness gauge of 1.5mm to the three positions at 20mm  
and 130mm from the both ends of the developing doctor as  
shown.  
4) Check the clearance of the developing doctor. If it is within the  
specified range, then fix the doctor fixing screw with screw lock.  
* When inserting a thickness gauge, be careful not to scratch the  
developing doctor and the MG roller.  
<Adjustment specification>  
Developing doctor gap  
Both ends (20mm from the both ends): 1.5±0.1mm  
C (Center)(150mm from the both ends): 1.5±0.1mm  
(2) MG roller main pole position adjustment  
1) Remove and separate the waste toner box and put the developing  
unit on a flat surface.  
2) Tie a string to a needle or a pin.  
3) Hold the string and bring the needle close to the MG roller  
horizontally. (Do not use paper clip, which is too heavy to make a  
correct adjustment.) (Put the developing unit horizontally for this  
adjustment.)  
4) Do not bring the needle into contact with the MG roller, but bring it  
to a position 2 or 3mm apart from the MG roller. Mark the point on  
the MG roller which is on the extension line from the needle tip.  
7 – 1  
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5) Measure the distance from the marking position to the top of the  
doctor plate of the developing unit to insure that it is 18mm.  
If the distance is not within the specified range, loosen the fixing  
screw A of the main pole adjustment plate, and move the adjust-  
ment plate in the arrow direction to adjust.  
<Adjustment specification>  
Mode  
Specification  
SIM  
Developing bias voltage  
DC-400±8V  
SIM 8-1  
VR31  
(4) Grid bias voltage adjustment (SIM 8-2, SIM 8-3)  
Note: • Use a digital multi-meter with an internal resistance of  
10MΩ or more.  
• First adjust the grid LOW output, then adjust the grid HIGH  
voltage.  
1) Set the digital multi-meter range to DC700V.  
2) Put the test rod of the digital multi-meter on the grid bias voltage  
output check pin.  
3) Execute SIM 8-3. (The grid bias voltage is outputted in the grid  
bias LOW output mode for 30 sec.)  
4) Adjust the adjustment volume VR52 so that the output voltage is  
within the specified range shown below.  
5) Execute SIM 8-2. (The grid bias voltage is outputted in the grid  
bias HIGH output mode for 30 sec.)  
6) Adjust the adjustment volume VR51 so that the output voltage is  
within the specified range shown below.  
(3) Developing bias voltage adjustment (SIM 8-1)  
Note: • Use a digital multi-meter with an internal resistance of  
10MΩ or more.  
1) Set the digital multi-meter range to DC700V.  
<Adjustment specification>  
Mode  
Grid bias LOW  
Grid bias HIGH  
Specification  
DC-400±20V  
DC-525±10V  
SIM  
2) Put the test rod of the digital multi-meter on the developing bias  
voltage output check pin.  
SIM 8-3  
SIM 8-2  
VR52  
VR51  
3) Execute SIM 8-1. (The developing bias voltage is outputted for 30  
sec.)  
B. Mechanism section  
4) Adjust the adjustment volume VR31 so that the output voltage is  
within the specified range shown below.  
(1) Image position adjustment (SIM 50-1/SIM 50-10)  
a. Image lead edge position adjustment  
1) Set a scale on the document table as shown below.  
2) Make a copy.  
3) Check the copy. If, necessary, perform the following adjustment  
procedure.  
4) Execute SIM 50-1. Set AE (Laser radiation timing)/Lead edge void  
7 – 2  
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AR-161  
value to 0. Make a copy (100%) again.  
4) Execute SIM 50-1 and set the density mode to AE + TEXT +  
PHOTO (Rear edge void).  
5) Set the laser radiation timing (image loss amount). Measure R in  
the figure below.  
The currently set adjustment value is displayed.  
5) Enter the set value and press the start key.  
The correction value is stored and a copy is made.  
<Adjustment specification>  
Laser radiation timing = R (mm) × 10  
6) Set the lead edge void.  
Measure H in the figure below.  
Lead edge void = H(mm) × 10  
7) Enter the set value and press the start key.  
The correction value is stored and a copy is made.  
(Example)  
Mode  
Specification  
4mm or less  
SIM  
Set value  
Set range  
1-99  
Rear edge void  
SIM 1 step:  
50-1 0.1mm shift  
c. Paper off center adjustment  
1) Execute SIM 50-1 and set the density mode of Manual (TEXT)  
(Left edge void) to 0.  
Lead edge void H  
Image loss R  
5mm  
2) Set a test chart (UKOG-0089SCZZ) on the document table.  
3) Select a paper feed port and make a copy.  
Compare the copy and the test chart. If necessary, perform the  
following adjustment procedure.  
4) Execute SIM 50-10.  
After completion of warmup, shading is performed and the cur-  
rently set off center adjustment value of each paper feed port is  
displayed.  
5) Enter the set value and press the start key.  
The correction value is stored and a copy is made.  
<Adjustment specification>  
10mm  
Mode  
Paper  
off center Center ±2.0mm  
Specification  
Single:  
SIM  
Set value  
Set range  
1 ~ 99  
<Adjustment specification>  
SIM Add 1: 0.1mm  
50-10 shift to R side.  
Reduce 1:  
Mode  
Laser radiation  
timing  
Specification  
1 ~ 4mm  
SIM  
Set value  
Set range  
1 ~ 99  
SIM 1 step:  
45-1 0.1mm shift  
Duplex:  
Center ±2.5mm  
0.1mm shift to  
L side.  
Lead edge void  
adjustment  
d. Left edge void area adjustment  
Note: Before performing this adjustment, be sure to check that the  
paepr off center adjustment (SIM 50-10) is completed.  
b. Rear edge void adjustment  
1) Set a scale as shown in the figure below.  
A4(8.5" x 11")  
1) Set a test chart (UKOG-0089SCZZ) on the document table.  
2) Select a paper feed port and make two copies.  
Compare the second copy and the test chart. If necessary, per-  
form the following adjustment procedure.  
* The first copy does not show the void. Be sure to check the  
second copy.  
3) Execute SIM 50-1 and set the density mode to Manual (TEXT)  
(Left edge void).  
The currently set adjustment value is displayed.  
(When the off center adjustment previously described is per-  
formed, "0" is displayed.)  
4) Enter the set value and press the start key.  
The correction value is stored and a copy is made.  
<Adjustment specification>  
Paper rear edge  
Mode  
Specification  
1 ~ 4mm  
SIM  
Set value  
Set range  
1 ~ 99  
2) Set the document size to A4, and make two copies at 100%.  
Left edge void  
SIM 1 step:  
50-1 0.1mm shift  
3) Check the second copy. If necessary, perform the following ad-  
justment procedure.  
* When the left edge void is set with the paper off center adjusted,  
* The first copy does not show the void. Be sure to check the  
the both edge void is automatically adjusted.  
second copy.  
Void amount (Standard value: 0  
4mm)  
Scale image  
Paper rear edge  
7 – 3  
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AR-161  
3) Manually turn the mirror base drive pulley and bring No. 2/3 mirror  
base unit into contact with the positioning plate.  
(2) Main scanning direction (FR directional distortion  
balance adjustment)  
At that time, if the front frame side and the rear frame side of No.  
2/3 mirror base unit are brought into contact with the positioning  
plate at the same time, the mirror base unit parallelism is proper.  
1) Remove the OC glass and the right cabinet.  
If one of them is in contact with the positioning plate, perform the  
adjustment of 4).  
2) Loosen the copy lamp unit wire fixing screw.  
4) Loosen the set screw of the scanner drive pulley which is not in  
contact with No. 2/3 mirror base unit positioning plate.  
5) Without moving the scanner drive pulley shaft, manually turn the  
scanner drive pulley until the positioning plate is brought into con-  
tact with No. 2/3 mirror base unit, then fix the scanner drive pulley.  
7 – 4  
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AR-161  
6) Put No. 2/3 mirror base unit on the positioning plate again, push  
the projections on the front frame side and the rear frame side of  
the copy lamp unit to the corner frame, and tighten the wire fixing  
screw.  
2) Open the original cover and make a normal (100%) copy.  
3) Measure the width of the black background at the lead edge and  
at the rear edge.  
If the width (La) of the black background at the lead edge is equal  
that (Lb) at the rear edge, there is no need to execute the follow-  
ing procedures of 4) ~ 7).  
4) Loosen the mirror base drive pulley fixing screw on the front frame  
side or on the rear frame side.  
• When La < Lb  
Turn the mirror base drive pulley on the rear frame side in the  
arrow direction B. (Do not move the mirror base drive pulley  
shaft.)  
• When La > Lb  
Turn the mirror base drive pulley on the front frame side in the  
arrow direction A. (Do not move the mirror base drive pulley  
shaft.)  
A
B
(3) Main scanning direction (FR direction) distortion  
adjustment  
This adjustment must be performed in the following cases:  
• When the mirror base drive wire is replaced.  
• When the lamp unit, or No. 2/3 mirror holder is replaced.  
• When a copy as shown is made.  
Lb  
La  
5) Tighten the mirror base drive pulley fixing screw.  
<Adjustment specification>  
La = Lb  
1) Set A3 (11" x 17") white paper on the original table as shown  
below.  
(4) Sub scanning direction (scanning direction)  
distortion adjustment  
When there is no skew copy in the mirror base scanning direction and  
there is no horizontal error (right angle to the scanning direction), the  
adjustment can be made by adjusting the No. 2/3 mirror base unit rail  
height.  
Before performing this adjustment, be sure to perform the horizontal  
image distortion adjustment in the laser scanner section.  
This adjustment must be performed in the following cases:  
• When the mirror base wire is replaced.  
• When the copy lamp unit or No. 2/3 mirror unit is replaced.  
• When the mirror unit rail is replaced or moved.  
• When a following copy is made.  
7 – 5  
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AR-161  
1) Making of a test sheet  
• When La > Lb  
Make test sheet by drawing parallel lines at 10mm from the both  
ends of A3 (11" x 17") white paper as shown below. (These lines  
must be correctly parallel to each other.)  
Shift the mirror base B rail upward by the half of the difference  
of La – Lb.  
• When La < Lb  
Shift the mirror base B rail downward by the half of the  
difference of Lb – La.  
Example: When La = 12mm and Lb = 9mm, shift the mirror  
base B rail upward by 1.5mm.  
10mm  
10mm  
• When Lc > Ld  
Shift the mirror base B rail downward by the half of the  
difference of Lc – Ld.  
• When Lc < Ld  
Shift the mirror base B rail downward by the half of the  
difference of Ld – Lc.  
* When moving the mirror base rail, hold the mirror base rail with  
your hand.  
10mm  
10mm  
<Adjustment specification>  
La = Lb, Lc = Ld  
5) After completion of adjustment, manually turn the mirror base  
drive pulley, scan the mirror base A and mirror base B fully, and  
check that the mirror bases are not in contact with each other.  
2) Make a normal (100%) copy of the test sheet on A3 (11" x 17")  
paper. (Fit the paper edge with the glass holding plate edge.)  
3) Measure the distances (La, Lb, Lc, Ld) at the four corners as  
shown below.  
* If the mirror base rail is moved extremely, the mirror base may be  
in contact with the frame or the original glass. Be careful to avoid  
this.  
La  
Lc  
(5) Main scanning direction (FR direction) magnification  
ratio adjustment (SIM 48-1)  
Note: Before performing this adjustment, be sure to check that the  
CCD unit is properly installed.  
1) Put a scale on the original table as shown below.  
Lb  
Ld  
When La = Lb and Lc = Ld, no need to perform the procedures 4)  
and 5).  
4) Move the mirror base B rail position up and down (in the arrow  
direction) to adjust.  
2) Execute SIM 48-1.  
3) After warmup, shading is performed and the current set value of  
the main scanning direction magnification ratio is displayed on the  
display section in 2 digits.  
4) Select the mode and press the start key again.  
5) Auto correction mode (AE lamp ON)  
The mirror unit moves to the shading position, and the reference  
width of the reference white plate is scanned, and the correction  
value is automatically calculated from that scanned value.  
The correction value is displayed and a copy is made.  
6) Compare the scale image and the actual scale.  
If a fine adjustment is required, switch to the manual correction  
mode with the magnification ratio display key and perform fine  
adjustment.  
7) Manual correction mode (TEXT lamp ON)  
Enter the set value and press the start key.  
The set value is stored and a copy is made.  
7 – 6  
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AR-161  
<Adjustment specification>  
Mode Specification  
Main scanning At normal:  
1) Put a scale on the original table as shown below, and make a  
normal (100%) copy to make a test chart.  
SIM  
Set value  
Set range  
1 ~ 99  
SIM Add 1:  
direction  
magnification  
ratio  
±1.0%  
48-1 0.1% increase  
Reduce 1:  
0.1% decrease  
• Error in the auto correction mode  
Display  
Copy  
quantity  
Content  
Major cause  
The correction  
value calculated is  
• Improper position of  
reference width line of  
the reference white plate  
display "– –" over 5%.  
• Improper installation of  
CCD unit  
Paper jam  
lamp ON  
Reference line  
scanning error  
• Defective CCD  
• No reference white plate  
Note: Since the printed copy is used as a test chart, put the scale  
in parallel with the edge lines.  
2) Set the test chart on the SPF and make a normal (100%) copy.  
(6) Sub scanning direction (scanning direction)  
magnification ratio adjustment (SIM 48-2, SIM 48-5)  
a. OC mode in copying  
3) Compare the scale image and the actual image. If necessary,  
perform the following adjustment procedures.  
4) Execute SIM 48-5.  
Note: • Before performing this adjustment, be sure to check that the  
CCD unit is properly installed.  
5) After warmup, shading is performed and the current set value of  
the sub scanning direction magnification ratio is displayed on the  
display section in 2 digits.  
1) Put a scale on the original table as shown below, and make a  
normal (100%) copy.  
6) Enter the set value and press the start key.  
The set value is stored and a copy is made.  
<Adjustment specification>  
Mode  
Specification  
SIM  
Set value  
Set range  
1 ~ 99  
Sub scanning  
direction  
magnification  
ratio  
Normal  
±1.0%  
SIM Add 1:  
48-5 0.1% increase  
Reduce 1:  
0.1% decrease  
(SPF mode)  
(7) Off center adjustment (SIM 50-13, SIM 50-16)  
a. OC mode  
Note: • Before performing this adjustment, be sure to check that the  
paper off center is properly adjusted. (SIM 50-10)  
2) Compare the scale image and the actual image. If necessary,  
perform the following adjustment procedures.  
1) Make a test chart as shown below and set it so that its center line  
is fit with the original guide center mark.  
3) Execute SIM 48-2.  
* To make a test chart, draw a line on A3 or 11" x 17" paper at  
4) After warmup, shading is performed and the current set value of  
the sub scanning direction magnification ratio is displayed on the  
display section in 2 digits.  
the center in the paper transport direction.  
5) Enter the set value and press the start key.  
The set value is stored and a copy is made.  
<Adjustment specification>  
Mode  
Specification  
SIM  
Set value  
Set range  
1 ~ 99  
Sub scanning  
direction  
magnification  
ratio  
Normal  
±1.0%  
SIM Add 1:  
48-2 0.1% increase  
Reduce 1:  
0.1% decrease  
(OC mode)  
b. SPF mode in copying  
2) Make a normal copy from the manual paper feed tray, and com-  
pare the copy and the test chart.  
Note: • Before performing this adjustment, be sure to check that the  
CCD unit is properly installed.  
If necessary, perform the following adjustment procedures.  
• Before performing this adjustment, the OC mode adjust-  
ment in copying must be completed.  
3) Execute SIM 50-13.  
4) After warmup, shading is performed and the current set value of  
the off center adjustment is displayed on the display section in 2  
digits.  
5) Enter the set value and press the start key.  
The set value is stored and a copy is made.  
7 – 7  
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AR-161  
<Adjustment specification>  
C. Image density adjustment  
(1) Copy mode (SIM 46-1)  
1) Set a test chart (UKOG-0162FCZZ) on the OC table as shown  
below.  
Mode  
Specification  
Single:  
Center ± 2.0mm 50-18 0.1mm shift to  
SIM  
Set value  
Set range  
1 ~ 99  
Original  
off center  
mode  
SIM Add 1:  
R side  
Reduce 1:  
0.1mm shift to  
L side  
Duplex:  
(OC mode)  
Center ±2.5mm  
b. SPF mode  
Note: • Before performing this adjustment, be sure to check that the  
paper off center is properly adjusted.  
1) Make a test chart for the center position adjustment and set it on  
the SPF.  
<Adjustment specification>  
Draw a line on a paper in the scanning direction.  
2) Make a normal copy from the manual paper feed tray, and com-  
pare the copy and the original test chart.  
2) Put several sheets of A3 or 11" x 17" white paper on the test  
chart.  
If necessary, perform the following adjustment procedures.  
3) Execute SIM 50-16.  
3) Execute SIM 46-1.  
4) After warmup, shading is performed and the current set value of  
the off center adjustment at each paper feed port is displayed on  
the display section in 2 digits.  
4) After warmup, shading is performed and the current set value of  
the density level is displayed on the display section in 2 digits.  
For mode selection, use the density select key.  
5) Enter the set value and press the start key.  
The set value is stored and a copy is made.  
<Adjustment specification>  
5) Change the set value with the 10-key to adjust the copy image  
density.  
6) Make a copy and check that the specification below is satisfied.  
Mode  
Specification  
Single:  
Center ± 3.0mm 50-16 0.1mm shift to  
Duplex:  
Center ±3.5mm  
SIM  
Set value  
Set range  
1 ~ 99  
<Adjustment specification>  
Original  
off center  
mode  
(SPF  
mode)  
SIM Add 1:  
Density Display Exposure  
Sharp Gray  
Chart output  
Set  
range  
Set value  
mode  
lamp  
level  
R side  
Reduce 1:  
0.1mm shift to  
L side  
Auto  
Auto  
—
"3" is slightly  
copied.  
The greater the  
set value is, the  
greater the  
1 ~ 99  
Manual Manual  
3
3
3
"3" is slightly  
copied.  
density is.  
The smaller the  
set value is, the  
smaller the  
Photo  
Photo  
"3" is slightly  
copied.  
(8) Original sensor adjustment (SIM 43-3)  
1) Execute SIM 41-2.  
Toner  
save  
Manual/  
Photo  
"3" is slightly  
copied.  
density is.  
2) Set A3 (11" x 17") paper on the OC table.  
3) Press the start key again.  
4) The sensor level of the original sensor is automatically checked  
and the value with an original - 40 is made as the threshold value  
for scanning. (Automatic setting)  
5) Execute SIM 43-3.  
6) The light reception level of the original sensor is displayed.  
The first digit of the copy quantity display shows "A": Light recep-  
tion level display  
The first digit of the copy quantity display shows "b": Original  
judgement level display  
(The mode selection is made with the magnification ratio display  
key.)  
7) By changing the paper set on the original table, the original size  
LED sensed by the sensor is lighted.  
7 – 8  
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AR-161  
Main Sub  
code code  
[8] SIMULATION  
Contents  
22  
2
3
Maintenance preset value display  
JAM memory display  
1. Entering the simulation mode  
4
Total JAM counter display  
Total counter display  
Perform the following procedure to enter the simulation mode.  
5
Clear key → Interruption key → Shift key → Interruption key → Start  
key → Sub code → Start key  
6
Developing counter display  
7
Developing preset counter value display  
SPF counter display  
8
2. Cancelling the simulation mode  
9
Paper feed counter display  
Drum counter display  
When the all clear key is pressed, the simulation mode is cancelled.  
12  
14  
15  
16  
17  
18  
19  
20  
21  
1
When the interruption key is pressed, the process is interrupted and  
the screen returns to the sub code entering display.  
Flash ROM version display  
Trouble memory display  
Duplex print counter display  
Copy counter display  
3. List of simulations  
Printer counter display  
Main Sub  
Contents  
Electronic sort counter display  
FAX print counter display  
Scanner counter display  
JAM memory, JAM counter clear  
Trouble memory clear  
code code  
1
1
2
Mirror unit operation check  
Optical system sensor operation check  
SPF aging  
24  
2
1
2
2
SPF sensor operation check  
4
SPF counter clear  
3
SPF motor forward rotation operation check  
SPF motor reverse rotation operation check  
SPF paper feed solenoid operation check  
SPF reverse solenoid operation check  
SPF paper exit gate solenoid operation check  
SPF PS release solenoid operation check  
Shifter job separator sensor operation check  
Shifter operation check  
5
Duplex counter clear  
4
6
Paper feed counter clear  
Drum counter clear  
8
7
9
8
Copy counter clear  
10  
11  
2
9
Printer counter clear  
10  
11  
13  
1
Electronic sort counter clear  
FAX print counter clear  
3
5
3
Scanner counter clear  
4
Job separator operation check  
25  
26  
Main motor operation check  
Polygon motor operation check  
Operation switch display  
Auditor setting  
10  
1
Job separator home position check  
Operation panel display check  
10  
1
2
Heater lamp lighting check, cooling fan motor  
operation check  
3
5
Counter mode setting  
3
1
Copy lamp lighting check  
6
Destination setting  
6
7
Paper feed solenoid operation check  
Main cassette semi-circular roller drive  
Aging with JAM with warmup time display  
Aging without JAM with warmup time display  
Warmup saving  
22  
30  
1
Language setting  
10  
1
CE mark conformity control setting  
Machine sensor operation check  
OC document sensor adjustment  
Document sensor light reception level display  
Developer counter clear  
Fusing temperature setting  
Copy density level adjustment  
FAX density level adjustment  
30  
41  
2
2
4
3
6
Intermittent aging (with paper)  
Intermittent aging (without paper)  
Warmup time display  
42  
43  
46  
1
7
1
8
1
8
9
1
Developing bias voltage output check  
2
2
Main charger voltage output check (Grid bias high  
mode)  
48  
1
Main scanning (front/rear) direction magnification  
ratio adjustment(Copy/FAX/OC-SPF common)  
3
Main charger voltage output check (Grid bias low  
mode)  
2
5
6
7
OC mode sub scanning direction magnification  
ratio adjustment in copying  
6
1
2
4
5
Transfer charger voltage check  
Duplex motor forward rotation operation check  
Duplex motor reverse rotation operation check  
Duplex motor rotation speed adjustment  
Duplex motor switchback time adjustment  
Toner motor operation check  
SPF mode sub scanning direction magnification  
ratio adjustment in copying  
OC mode sub scanning direction magnification  
ratio adjustment in FAX  
SPF mode sub scanning direction magnification  
ratio adjustment in FAX  
10  
14  
16  
17  
20  
21  
Trouble (except for U2) cancel  
U2 trouble cancel  
50  
1
10  
13  
16  
2
Copy image lead edge position adjustment  
Paper off center adjustment  
PF trouble cancel  
OC mode document off center adjustment  
SPF mode document off center adjustment  
Resist amount adjustment  
1
1
2
1
Maintenance counter clear  
Maintenance cycle setting  
51  
63  
Mini maintenance counter display  
Maintenance counter display  
1
Shading data check  
22  
8 – 1  
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AR-161  
4. Contents of simulations  
Main  
code  
Sub  
code  
Initial  
value  
Contents  
Details of operation  
Set range  
1
1
Mirror unit operation  
check  
Used to execute scanning at the speed corresponding to the set mag-  
nification ratio.  
100%  
50 ~ 200%  
Key operation  
Display  
Changing the magnification ratio: Set magnification ratio:  
Fixed magnification ratio key  
Fixed magnification ratio LED  
2
Optical system sensor  
operation check  
Used to check MHPS (Mirror home position sensor) ON/OFF state with  
the LED on the operation panel.  
Display  
<Lighting when the sensor is ON>  
MHPS: Paper empty LED  
2
1
2
SPF aging  
Used to perform SPF document transport.  
The paper size is not detected. (Excluding postcards, extra large sheet of  
1m or greater.)  
With SPF installed: Single transport operation  
With RSPF installed: Duplex transport operation  
SPF sensor operation  
check  
Used to check sensors in SPF with the LED on the operation panel.  
Display  
<Lighting at sensor ON>  
PW1: JAM LED  
PW2: Paper empty LED  
PW3: Machine position JAM LED  
PW4: SPF JAM LED  
PL1: Manual paper feed tray select LED  
PL2: Second cassette position JAM LED  
P-IN: SPF select LED  
P-OUT: Main cassette select LED  
3
SPF motor forward  
rotation operation check  
Used to rotate the SPF motor forward at the speed corresponding to the  
currently set magnification ratio for 10 sec.  
100%  
50 ~ 200%  
Key operation  
Display  
Magnification ratio change:  
Fixed magnification ratio key  
Set magnification ratio:  
Fixed magnification ratio LED  
4
8
SPF motor reverse  
rotation operation check  
Used to rotate the SPF motor reversely for 10 sec.  
SPF paper feed solenoid  
operation check  
Used to drive the SPF paper feed solenoid (PSOL) at the cycle of  
500msec ON and 500msec OFF 20 times.  
9
SPF reverse solenoid  
operation check  
Used to drive the SPF reverse solenoid (RSOL) at the cycle of 500msec  
ON and 500msec OFF 20 times.  
10  
11  
2
SPF paper exit gate  
solenoid operation check  
Used to drive the SPF paper exit gate solenoid (GSOL) at the cycle of  
500msec ON and 500msec OFF 20 times.  
SPF PS release solenoid  
operation check  
Used to drive the SPF PS release solenoid at the cycle of 500msec ON  
and 500msec OFF 20 times.  
3
Shifter job separator  
sensor operation check  
Used to check the sensors state in the shifter job separator with the LED  
on the operation panel.  
Display  
<Lighting at sensor ON>  
Shifter HP sensor: Machine position JAM LED  
Job separator HP sensor: SPF JAM LED  
Paper exit full sensor: Second cassette position JAM LED  
3
Shifter operation check  
Used to drive the shifter motor at the speed of printing of A4 (8-1/2 ×  
11"). Pressing the start key or the clear all key moves the shifter to the  
home position.  
Key operation  
The shifter is moved to the home position: Start key or clear all key  
8 – 2  
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AR-161  
Main  
code  
Sub  
code  
Initial  
value  
Contents  
Details of operation  
Set range  
3
4
Job separator operation  
check  
Used to drive the job separator one way. Pressing the clear key stops  
the job separator at the home position.  
Key operation  
Stops at the home position: Clear all key  
10  
Job separator home  
position check  
Used to drive the job separator to the home position. Then it is shifted by  
the specified number of steps for check, and the position is made as the  
origin. It is shifted from the origin by the specified number of steps.  
5
1
2
Operation panel display  
check  
Used to light all LED’s on the operation panel for 5 sec.  
Heater lamp lighting  
check, cooling fan motor  
operation check  
Used to turn ON the heater lamp for 500msec and OFF for 500msec 5  
times. At the same time, the cooling fan is rotated at a high speed. After  
checking the heater lamp operation, the cooling fan motor rotate at a low  
speed.  
3
Copy lamp lighting check  
Used to light the copy lamp for 5 sec. At that time, the copy lamp  
brightness can be changed with the density adjustment key. When this  
simulation is canceled, the copy lamp brightness if automatically ad-  
justed.  
Key operation  
Copy lamp brightness: Density adjustment key  
6
1
Paper feed solenoid  
operation check  
When the start key is pressed, the selected paper feed solenoid is driven  
at the cycle of 500msec ON and 500msec OFF 20 times.  
Key operation  
Display  
Solenoid selection:  
Tray select button  
<Lighting at solenoid selection>  
Main cassette paper feed solenoid:  
Main cassette select LED  
Multi manual paper feed solenoid:  
Manual paper feed select LED  
No. 2 cassette paper feed solenoid:  
No. 2 cassette select LED  
No. 3 cassette paper feed solenoid:  
No. 3 cassette select LED  
No. 4 cassette paper feed solenoid:  
No. 4 cassette select LED  
Resist roller solenoid:  
Machine position JAM LED  
No. 2 cassette transport solenoid:  
No. 2 cassette position JAM LED  
No. 3 cassette transport solenoid:  
No. 3 cassette position JAM LED  
No. 4 cassette transport solenoid:  
No. 4 cassette position JAM LED  
Paper out 1 solenoid: Paper empty LED  
Paper out 2 solenoid: SPF JAM LED  
Paper out 3 solenoid: SPF select LED  
10  
1
Main cassette  
semi-circular roller drive  
Used to rotate the semi-circular roller of the main cassette one turn to  
face it downward.  
7
Aging with JAM with  
warmup time display  
Used to start warmup and count and display the warmup time every  
second. After completion of warmup, count up is terminated and the  
ready lamp is lighted. When the clear key is pressed and the copy  
quantity is entered and the start key is pressed, copying is made to make  
the set quantity of copies. At that time, the paper size does not matter.  
1 ~ 9  
Key operation  
Copy quantity setting: Numeric keys  
8 – 3  
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AR-161  
Main  
code  
Sub  
code  
Initial  
value  
Contents  
Details of operation  
Set range  
1 ~ 99  
7
2
Aging without JAM with  
warmup time display  
Used to start warmup and count and display the warmup time every  
second. After completion of warmup, count up is terminated and the  
ready lamp is lighted. When the clear key is pressed and the copy  
quantity is entered and the start key is pressed, copying is made to make  
the set quantity of copies. At that time, the paper size does not matter.  
Key operation  
Copy quantity setting: Numeric keys  
4
6
Warmup saving  
Used to bring the machine to the ready state without warmup.  
Intermittent aging (with  
paper)  
After completion of warmup, counting is stopped and the ready lamp is  
lighted. When the copy quantity is entered and the start key is pressed,  
copying is made to make the set quantity of copies. After 3 sec standby,  
copying is made again to make the set quantity of copies. After that this  
operation is repeated. The paper size does not matter.  
1 ~ 99  
Key operation  
Copy quantity setting: Numeric keys  
7
Intermittent aging (without  
paper)  
After completion of warmup, counting is stopped and the ready lamp is  
lighted. When the copy quantity is entered and the start key is pressed,  
copying is made to make the set quantity of copies. After 3 sec standby,  
copying is made again to make the set quantity of copies. After that this  
operation is repeated. The paper size does not matter.  
1 ~ 99  
Key operation  
Copy quantity setting: Numeric keys  
8
1
Warmup time display  
Used to count and display the warmup time from 0 at every second.  
8
Developing bias voltage  
output check  
Used to output the developing bias for 30 sec. For the adjustment proce-  
dure of the developing bias, refer to the previous descriptions.  
2
3
6
Main charger voltage  
output check (Grid bias  
high mode)  
Used to output the main charger grid bias voltage at the high mode for  
30 sec. For the adjustment procedure of the main charger grid bias  
voltage, refer to the previous descriptions.  
Main charger voltage  
output check (Grid bias  
low mode)  
Used to output the main charger grid bias voltage at the low mode for 30  
sec. For the adjustment procedure of the main charger grid bias voltage,  
refer to the previous descriptions.  
Transfer charger voltage  
check  
Used to output the transfer charger voltage for 30 sec. For the adjust-  
ment procedure of the transfer charger voltage, refer to the previous  
descriptions.  
9
1
2
4
Duplex motor forward  
rotation operation check  
Used to rotate the duplex motor forward for 30 sec.  
Duplex motor reverse  
rotation operation check  
Used to rotate the duplex motor reversely for 30 sec.  
Duplex motor rotation  
speed adjustment  
After completion of warmup, the ready lamp is lighted and the currently  
set duplex motor rotation speed set value is displayed.  
When the set value is entered and the start key is pressed, the set value  
is stored.  
Key operation  
Duplex motor rotation speed set value: Numeric keys  
5
Duplex motor switchback  
time adjustment  
After completion of warmup, the ready lamp is lighted and the currently  
set duplex motor switchback time set value is displayed.  
When the set value is entered and the start key is pressed, the set value  
is stored.  
Key operation  
Duplex motor switchback time set value: Numeric keys  
10  
14  
Toner motor operation  
check  
Used to operate the toner motor for 30 sec.  
Note: If this simulation is executed with the toner hopper installed, toner  
is automatically supplied to the developer. Be careful of overtoner.  
Trouble (except for U2)  
cancel  
Used to cancel troubles except for U2.  
16  
17  
U2 trouble cancel  
PF trouble cancel  
Used to cancel U2 trouble.  
Used to cancel PF trouble.  
8 – 4  
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AR-161  
Main  
code  
Sub  
code  
Initial  
value  
Contents  
Details of operation  
Used to clear the maintenance counter. ∗2  
Used to display the currently set maintenance cycle at the numbers  
shown at right. When the set value is entered and the start key is  
pressed, the set value is stored.  
Set range  
20  
21  
1
1
Maintenance counter clear  
Maintenance cycle setting  
Key operation/Display  
0: 2500 sheets  
1: 5000 sheets  
2: 15000 sheets  
3: 30000 sheets  
4: 150000 sheets  
5: FREE (999999 sheets)  
2
Mini maintenance counter  
display  
Used to display the currently set mini maintenance cycle at the numbers  
shown at right. When the set value is entered and the start key is  
pressed, the set value is stored.  
Key operation/Display  
0: 2500 sheets  
1: 5000 sheets  
2: 10000 sheets  
3: FREE (999999 sheets)  
22  
1
2
3
Maintenance counter  
display  
Used to display the current maintenance counter value. ∗1  
Maintenance preset value  
display  
Used to display the current maintenance preset value (set with SIM  
21-1). ∗1  
Used to display a JAM generated during copying on the JAM position  
display on the operation panel. Max. 30 recent jams are stored.  
JAM memory display  
Key operation  
Display  
JAM history select:  
The history number (1 ~ 30) is displayed  
Magnification ratio key on the display.  
The JAM position LED corresponding to  
the history number is lighted.  
4
5
6
Total JAM counter display  
Total counter display  
Used to display the current total JAM counter value. ∗1  
Used to display the current total counter value. ∗1  
Used to display the current developing unit counter value. ∗1  
Developing counter  
display  
7
Developing preset counter  
value display  
Used to display the current mini maintenance preset value (set with SIM  
21-2). ∗1  
8
9
SPF counter display  
Used to display the current SPF counter value. ∗1  
Used to display the current paper feed counter value for each paper feed  
Paper feed counter display  
port. ∗1  
Key operation  
Paper feed port selection: Tray select key  
12  
14  
15  
Drum counter display  
Used to display the current drum counter value. ∗1  
Used to display the version number of the flash ROM of each PWB.  
Flash ROM version display  
Trouble memory display  
Used to display the actually occurred trouble codes on the display on the  
operation panel. When the start key is pressed during the main code  
display, the sub code is displayed. Max. 20 recent trouble codes are  
stored.  
Key operation  
Display  
Sub code display: Start key Hysteresis 1 → 10: The upper digit of  
display "A" ∼ "J" lights up.  
Hysteresis 11 → 20: The upper digit of  
display "A: ∼ "J" blinks.  
Trouble code history  
select: Magnification ratio  
display key  
• Display without trouble code  
Main code: "----"  
Sub code: "00"  
∗1: Each counter display method  
To display 12345: 123 (0.75 sec) → Blank (0.35sec) → 456 (0.75 sec) → Blank (1.0 sec) → repetition  
∗2: Display after clearing each counter  
000 (0.75 sec) → Blank (0.35sec) → 000 (0.75 sec) → Blank (1.05 sec) → Repetition  
8 – 5  
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AR-161  
Main  
code  
Sub  
code  
Initial  
value  
Contents  
Details of operation  
Set range  
22  
16  
Duplex print counter  
display  
Used to display the current duplex print counter value. ∗1  
17  
18  
19  
Copy counter display  
Printer counter display  
Used to display the current copy counter value. ∗1  
Used to display the current printer counter value. ∗1  
Used to display the current electronic sort counter value. ∗1  
Electronic sort counter  
display  
20  
21  
1
FAX print counter display  
Scanner counter display  
Used to display the current FAX print counter value. ∗1  
Used to display the current scanner counter value.  
Used to clear the JAM memory and the JAM counter. ∗2  
24  
JAM memory, JAM  
counter clear  
2
4
Trouble memory clear  
SPF counter clear  
Used to clear the trouble memory. ∗2  
Used to clear the SPF counter. ∗2  
Used to clear the duplex counter. ∗2  
Used to clear the paper feed counter. ∗2  
Used to clear the drum counter. ∗2  
Used to clear the copy counter. ∗2  
Used to clear the printer counter. ∗2  
Used to clear the electronic sort counter. ∗2  
5
Duplex counter clear  
Paper feed counter clear  
Drum counter clear  
Copy counter clear  
Printer counter clear  
6
7
8
9
10  
Electronic sort counter  
clear  
11  
13  
1
FAX print counter clear  
Scanner counter clear  
Used to clear the FAX print counter. ∗2  
Used to clear the scanner counter.  
25  
26  
Main motor operation  
check  
Used to drive the main motor for 30 sec. At that time, the cooling motor  
rotates at a low speed.  
When the developing unit is installed, the developing bias, the grid, and  
the main charger are driven.  
When the developing unit is not installed, only the main motor is driven.  
10  
1
Polygon motor operation  
check  
Used to drive the polygon motor for 30 sec.  
Operation switch display  
Used to display the installed option on the operation panel. (The LED  
corresponding to the installed option is lighted.)  
Key operation  
Display select:  
Magnification ratio key  
Display  
<Lighting with an option installed>  
When "A" is displayed:  
Shifter: Paper empty LED  
Job separator: JAM LED  
SPF: SPF select LED  
RSPF: SPF JAM LED  
Dehumidifying heater: Main body JAM LED  
Simplex mode: Multi manual paper feed select LED  
When "B" is displayed:  
Cassette (2nd step): No. 2 cassette select LED  
Cassette (3rd step): No. 3 cassette select LED  
Cassette (4th step): No. 4 cassette select LED  
Memory installed: Paper empty LED  
FAX: JAM LED  
Printer: Main body JAM LED  
ERDH: Main cassette select LED  
16CPM: SPF JAM LED  
20CPM: SPF select LED  
Document sensor: Auto paper select LED  
3
Auditor setting  
Used to display the current auditor setting with the numbers at right.  
After entering the set value, press the start key, and the set value is  
stored.  
Key operation/Display  
0: Built-in auditor  
1: Coin vendor  
2: Others  
∗1: Each counter display method  
To display 12345: 123 (0.75 sec) → Blank (0.35sec) → 456 (0.75 sec) → Blank (1.0 sec) → repetition  
∗2: Display after clearing each counter  
000 (0.75 sec) → Blank (0.35sec) → 000 (0.75 sec) → Blank (1.05 sec) → Repetition  
8 – 6  
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AR-161  
Main  
code  
Sub  
code  
Initial  
value  
Contents  
Details of operation  
Set range  
26  
5
Counter mode setting  
Used to set the print counter mode in A3 or 11" × 17".  
Used to display the currently set counter value with the numbers at right.  
After entering the set value, press the start key, and the set value is  
stored.  
Key operation/Display  
0: Total/Developer = 2 counts Maintenance = 2 counts  
1: Total/Developer = 1 count  
2: Total/Developer = 2 counts Maintenance = 1 count  
3: Total/Developer = 1 count Maintenance = 1 count  
Maintenance = 2 counts  
6
Destination setting  
Used to display the current destination setting with the numbers at right.  
After entering the set value, press the start key, and the set value is  
stored.  
Key operation/Display  
0: Japan  
1: USA (Inch series)  
2: Canada (Inch series)  
3: Germany (AB series)  
4: UK (AB series)  
5: Australia (AB series)  
6: France (AB series)  
7: EX inch series  
8: EX AB series  
9: EX inch series (FC conformity)  
10: EX AB series (FC conformity)  
11: Taiwan, China (AB series)  
22  
Language setting  
Used to display the current setting of the language information with the  
number at right. After entering the set value, press the start key, and the  
set value is stored.  
Key operation/Display  
0: Japanese  
1: English  
2: French  
3: German  
4: Italian  
5: Dutch  
6: Swedish  
7: Spanish  
30  
CE mark conformity  
control setting  
Used to display the current setting of CE mark conformity control with the  
number at right. After entering the set value, press the start key, and the  
set value is stored.  
Key operation/Display  
0: CE mark control OFF  
1: CE mark control ON  
30  
1
Machine sensor operation  
check  
Used to check the sensors in the machine transport system with LED on  
the operation panel.  
Display  
<Lighting at sensor ON>  
Paper entry sensor: Machine position JAM LED  
Duplex sensor: SPF JAM LED  
Paper exit sensor: JAM LED  
No. 2 cassette transport sensor: No. 2 cassette position JAM LED  
No. 3 cassette transport sensor: No. 3 cassette position JAM LED  
No. 4 cassette transport sensor: No. 4 cassette position JAM LED  
41  
2
OC document sensor  
adjustment  
Used to read the document sensor input value with paper and perform  
the sensor detection level adjustment. For the adjustment procedure of  
the document sensor input value, refer to the previous descriptions.  
8 – 7  
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AR-161  
Main  
code  
Sub  
code  
Initial  
value  
Contents  
Details of operation  
Set range  
41  
3
Document sensor light  
reception level display  
Used to display the light reception level and the detection level of the  
document sensor. (The sensor level adjusted with SIM 41-2 is dis-  
played.)  
Key operation  
Display  
Light reception/Detection  
level select: Magnification  
ratio display key  
Display at the 3rd digit  
"A": Light reception level display  
"b": Document detection level  
lighting LED  
Sensor select: Magnification  
ratio select key  
Sensor A: A3 document size LED  
Sensor B: A4 document size LED  
Sensor C: A4R document size LED  
Sensor D: B4 document size LED  
42  
43  
1
1
Developer counter clear  
Used to clear the developer counter. ∗2  
Fusing temperature setting  
Used to display the current setting of the fusing temperature with the  
number at right. After selecting the fusing temperature with the mag-  
nification ratio display key, press the start key, and the set value is  
stored.  
Key operation  
Fusing temperature select: Magnification ratio display key  
46  
1
Copy density level  
adjustment  
After completion of warmup, shading is performed and the currently set  
copy density level is displayed. For the adjustment procedure, refer to  
the previous descriptions.  
1 ~ 99  
Key operation  
Display  
Mode select: Mode select key <LED lighting at each mode selection>  
Auto mode: AE LED  
Manual mode: TEXT LED  
Photo mode: PHOTO LED  
Toner save mode: TEXT/PHOTO LED  
2
FAX density level  
adjustment  
After completion of warmup, shading is performed and the currently set  
FAX density level is displayed. For the adjustment procedure, refer to the  
previous descriptions.  
1 ~ 99  
Key operation  
Mode select:  
Mode select key  
Display  
<LED lighting at each mode selection>  
Standard mode: Standard LED  
Small character mode:  
Small character LED  
Fine mode: Fine LED  
Ultra fine mode: Ultra fine LED  
Photo mode: Photo LED  
48  
1
Main scanning (front/rear)  
direction magnification  
ratio adjustment  
After completion of warmup, shading is performed and the currently set  
main scanning (front/rear) direction magnification ratio adjustment is per-  
formed. For the adjustment procedure, refer to the previous descriptions.  
1 ~ 99  
(Copy/FAX/OC-SPF  
common)  
Key operation  
Display  
Adjustment mode select:  
Magnification ratio key  
Auto magnification ratio adjustment:  
AE LED  
Manual main scanning  
direction magnification  
ratio adjustment  
Manual magnification ratio adjustment:  
TEXT LED  
Set value: Numeric keys  
∗1: Each counter display method  
To display 12345: 123 (0.75 sec) → Blank (0.35sec) → 456 (0.75 sec) → Blank (1.0 sec) → repetition  
∗2: Display after clearing each counter  
000 (0.75 sec) → Blank (0.35sec) → 000 (0.75 sec) → Blank (1.05 sec) → Repetition  
8 – 8  
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AR-161  
Main  
code  
Sub  
code  
Initial  
value  
Contents  
Details of operation  
Set range  
48  
2
5
6
OC mode sub scanning  
direction magnification  
ratio adjustment in copying  
After completion of warmup, shading is performed and the currently set  
OC mode sub scanning direction magnification ratio adjustment in copy-  
ing is performed. For the adjustment procedure, refer to the previous  
descriptions.  
1 ~ 99  
1 ~ 99  
1 ~ 99  
Key operation  
OC mode sub scanning direction copy magnification ratio in copying:  
Numeric keys  
SPF mode sub scanning  
direction magnification  
ratio adjustment in copying  
After completion of warmup, shading is performed and the currently set  
OC mode sub scanning direction magnification ration adjustment in  
copying is performed. For the adjustment procedure, refer to the pre-  
vious descriptions.  
Key operation  
SPF mode sub scanning direction magnification ratio in copying:  
Numeric keys  
OC mode sub scanning  
direction magnification  
ratio adjustment in FAX  
After completion of warmup, shading is performed and the currently set  
OC mode sub scanning direction magnification ratio adjustment in FAX  
is performed. For the adjustment procedure, refer to the previous  
descriptions.  
Key operation  
OC mode sub scanning direction magnification ratio in FAX: Numeric  
keys  
7
SPF mode sub scanning  
direction magnification  
ratio adjustment in FAX  
After completion of warmup, shading is performed and the currently set  
SPF mode sub scanning direction magnification ratio in FAX is per-  
formed. For the adjustment procedure, refer to the previous descriptions.  
1 ~ 99  
Key operation  
SPF mode sub scanning direction magnification ratio in FAX:  
Numeric keys  
50  
1
Copy image position  
adjustment  
After completion of warmup, shading is performed and the currently set  
value is displayed. For the adjustment procedure, refer to the previous  
descriptions.  
1 ~ 99  
Key operation  
Display  
Adjustment mode select:  
Exposure mode select key  
Set value: Numeric keys  
Auto: Laser radiation timing adjustment  
Manual: Lead edge void adjustment  
Photo: Left edge void adjustment  
Auto + Manual + Photo:  
Rear edge void adjustment  
10  
Paper off center  
adjustment  
After completion of warmup, shading is performed and the currently set  
off center adjustment of each paper feed port is displayed. For the  
adjustment procedure, refer to the previous descriptions.  
Key operation  
Display  
Main cassette:  
Main cassette select LED  
Paper feed port tray select:  
Paper select key  
Off center adjustment value:  
numeric keys  
Manual paper feed:  
Manual feed select LED  
No. 2 cassette:  
No. 2 cassette select LED  
No. 3 cassette:  
No. 3 cassette select LED  
No. 4 cassette:  
No. 4 cassette select LED  
8 – 9  
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AR-161  
Main  
code  
Sub  
code  
Initial  
value  
Contents  
Details of operation  
Set range  
50  
13  
OC mode document off  
center adjustment  
After completion of warmup, shading is performed and the currently set  
off center adjustment value for the document in OC reading is displayed.  
For the adjustment procedure, refer to the previous descriptions.  
Key operation  
Off center adjustment value: Numeric keys  
16  
SPF mode document off  
center adjustment  
After completion of warmup, shading is performed and the currently set  
off center adjustment value for the document in SPF reading is dis-  
played. For the adjustment procedure, refer to the previous descriptions.  
Key operation  
Off center adjustment value: Numeric keys  
51  
63  
2
1
Resist amount adjustment  
Shading data check  
After completion of warmup, shading is performed and the currently set  
resist amount adjustment value is displayed.  
Key operation  
Resist amount adjustment: Numeric keys  
The copy lamp is shifted to the shading position and it is lighted with the  
reference voltage at AD conversion fixed (Vref– = 0.5V, Vref+ = 4.5V).  
This state is kept for 10 sec, and the level of one pixel at the center is  
displayed for each second.  
Display  
Display section: Shading data  
8 – 10  
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AR-161  
[9] USER PROGRAM  
The factory setting can be changed according to the operating conditions.  
1. User program functions  
Function  
Outline  
Default  
60 sec  
Auto clear  
When a certain time is passed after completion of the machine operation, the mode is  
returned to the initial state automatically.  
The time to return to the initial state can be set in the range of 30 ~ 120 sec by the unit of 30  
sec. This function can be canceled.  
Pre-heat  
When the machine is left unused with the power ON, the power consumption level is  
automatically lowered to about 60Wh (*1). The time to operate this function can be set in  
the range of 30 sec ~ 120 sec by the unit of 30 sec. This function can be canceled.  
When this function operates, the pre-heat lamp on the operation panel lights up.  
To cancel the pre-heat state, press any key on the operation panel.  
90 sec  
(When the START key is pressed, pre-heat is canceled and copying is started,)  
This function is canceled with the document is set or the tray is pulled out.  
Auto power shut off passing time  
When the machine is left unused with the power ON, the power consumption is  
automatically lowered to about 4.8Wh (*1). The time to operate this function can be set in  
the range of 30 min to 240 min. When this function operates, all the lamps except for the  
pre-heat lamp turn off.  
30 min  
Cancel  
To cancel the auto power shut off state, press the START key.  
Stream feeding mode (with  
SPF/R-SPF installed)  
After making copy with SPF/R-SPF, the document feed display lamp blinks, set the  
document, and the document is automatically fed.  
Auto power shut off setting  
The auto power shut off function can be canceled.  
Setting  
Setting  
2 in 1/4 in 1 solid line frame setting  
(with electronic sort board,  
SPF/R-SPF installed)  
Images on two or more pages are copied on one sheet of paper (2 in 1/4 in 1). When this  
function is used, copying can be made with the solid lines at the boundaries of images.  
Rotation copy  
When the paper auto selection function is operating, if there is no paper of the suitable size  
Cancel  
(With electronic sort board installed) or the suitable direction, paper of the same size but of different direction is automatically  
selected and the document images are rotated by 90 degrees to copy.  
The magnification ratio auto select function operates and rotates document images by 90  
degrees to make proper copy when the document images and the paper direction differ from  
each other.  
Paper auto selection  
The paper of the same size as the document size selected by the document size set key  
(A3, B4, A4, A4R, B5, B5R 11" × 17", 8.5" × 14", 8.5" × 13", 8.5" × 11", 8.5" × 11"R, 8.5" ×  
5.5" only) is automatically selected. This function is canceled.  
Setting  
Setting  
Tray auto selection (with 1-step  
paper feed unit, 2-step paper feed  
unit installed)  
The paper of the same size as the document size selected by the document size set key  
(A3, B4, A4, A4R, B5, B5R 11" × 17", 8.5" × 14", 8.5" × 13", 8.5" × 11", 8.5" × 11"R, 8.5" ×  
5.5" only) is automatically selected. This function is canceled.  
Department counter  
Refer to "3. Department counter setting."  
Edge erase (with electronic sort  
board installed)  
Shades around images and shades at the binding margin can be erased by this function.  
The erase range can be set in the range of 0 ~ 20mm by the unit of 5mm.  
10mm  
2 in 1 layout (with electronic sort  
board, SPF/R-SPF installed)  
The layout pattern for copying images of two pages on one page can be selected.  
Pattern A  
Pattern A  
Pattern B  
4 in 1 layout (with electronic sort  
board, SPF/R-SPF installed)  
The layout pattern for copying images of four pages on one page can be selected.  
Pattern A  
Pattern A  
Pattern B  
Pattern C  
Pattern D  
*1: The power consumption in pre-heat, auto power shut off depends on the operating conditions.  
9 – 1  
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AR-161  
*3. For the layout pattern, refer to page 9-1.  
2. Setting change procedure  
Example: Changing the time for operating the auto clear function  
(from 60 sec to 120 sec)  
• The number of the selected function blinks on the digit of 1 or  
the copy quantity display.  
Cancel: When any key is pressed by mistake, press the clear key  
and press the proper key.  
1) Press and hold the density adjustment key  
setting.  
for 5 sec to start  
3) Press the START key.  
• When  
lamps start blinking at the same time,  
the copy quantity display shows "--" the digit of 10 blinking.  
• The selected function code is changed from blinking to lighting.  
• The currently set code blinks on the digit of 1.  
4) Select the setting code with the numeric key.  
• For setting to 80 sec, select 3 .  
2) Select the function code with the numeric key.  
• The code of the selected function is displayed (blinking) on the  
digits of 10 and 100.  
• Make setting referring to the setting codes of "User program  
setting contents."  
• For auto clear, select 1.  
• Select the suitable code according to the table below.  
Cancel: When any wrong key is pressed, press the clear key and  
resume from procedure 2.  
User program setting contents  
5) Press the START key,  
Function  
Function code  
1
Setting code  
0 (Cancel)  
1 (30 sec)  
∗2 (60 sec)  
3 (90 sec)  
4 (120 sec)  
0 (Cancel)  
1 (30 sec)  
2 (60 sec)  
∗3 (90 sec)  
4 (120 sec)  
∗1 (30 sec)  
2 (60 sec)  
3 (90 sec)  
4 (120 sec)  
5 (240 sec)  
∗0 (Cancel)  
1 (Setting)  
0 (Cancel)  
∗1 (Setting)  
∗0 (Cancel)  
1 (Setting)  
0 (Cancel)  
∗1 (Setting)  
0 (Cancel)  
∗1 (Setting)  
0 (Cancel)  
∗1 (Setting)  
• The selected setting code is changed from blinking to lighting.  
The setting is completed with the above operation.  
Auto clear  
Pre-heat  
Memo: To set another function, press the clear key after this proce-  
dure and resume from procedure 2.  
6) Press the density adjustment key  
to end the setting.  
•
lamps go off. The copy quantity display  
returns to the normal display.  
2
3
3. Department counter setting  
Note: The department counter is effective only in copying. Counting  
is not made in FAX and printer output.  
Auto power shut off passing  
When the department counter is set, the copy count for each depart-  
ment (max. 20 dept.) can be made and displayed when necessary.  
time (*2)  
With the department counter set, copying cannot be made unless the  
registered number (password number of 3 digits) is entered.  
1) Press and hold the density adjustment key  
start setting.  
for about 5 sec to  
Stream feeding mode  
4
5
6
7
8
9
•
lamps start blinking at the same time, and  
the copy quantity display displays "--" and the digit of 10 blinks.  
Auto power shut off function  
2) Select the function code with the numeric key.  
• Refer to the function code for setting.  
setting (*2)  
2 in 1/4 in 1 solid frame setting  
Setting contents of department counters  
Function  
Function code  
10  
Rotation copy  
Setting content  
Department counter  
setting or cancel. Factory  
setting: Cancel  
Paper auto selection  
Tray auto selection  
Department  
counter  
setting/cancel  
11  
Department number  
recording.  
Max. 20 department can  
be recorded.  
Department counter (*1)  
10 ~ 15  
16  
Department  
number recording  
12  
13  
14  
Recorded department  
number is changed.  
Edge erase  
0 (0mm)  
1 (5mm)  
Department  
number delete  
Recorded number is  
deleted.  
∗2 (10mm)  
3 (15mm)  
Copy quantity  
display (Total)  
The copy quantity in each  
department is displayed.  
The count is made up to  
49,999 sheets. From that,  
counting is started from 0.  
4 (20mm)  
2 in 1 layout (*3)  
17  
18  
∗1 (Pattern A)  
2 (Pattern B)  
∗1 (Pattern A)  
2 (Pattern B)  
3 (Pattern B)  
4 (Pattern B)  
4 in 1 layout (*3)  
Copy quantity  
delete (Total  
delete)  
15  
The counted copy quantity  
is canceled. The count of  
each department or that of  
all the departments can be  
deleted.  
∗ Setting at the factory shipping  
• The entered number blinks on the digits of 100 and 10 on the  
copy quantity display.  
*1. For the setting procedure, refer to "3. Department counter."  
*2. With the auto power shut off canceled (function code "5", set  
code "0", auto power shut off time setting code "3"), the mode  
enters the auto power shut off setting mode automatically.  
Cancel: When a wrong key is pressed, press the clear key and enter  
the correct key.  
9 – 2  
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AR-161  
3) Press the START key.  
D. Department number delete (Function code 13)  
• The selected function code is changed from blinking to lighting.  
• The currently set code blinks on the digit of 1.  
Cancel: When the "E" (error code) is lighted on the digit of 1, press  
the clear key and return to procedure 2.  
Delete the department number.  
Enter the department code (13) and select all departments clear or  
specified department clear.  
When there is no registered department number, the error code "13E"  
is displayed.  
4) Perform setting of the department counter.  
Perform setting referring to "F.Copy quantity delete" in "A.  
Department counter setting/cancel."  
(1) All departments clear  
1) Press "1" key.  
5) Press the density adjustment key  
dure.  
to end the setting proce-  
2) Press the START key.  
•
lamps go off.  
(2) Specified department clear  
1) Press "0" key.  
• The copy quantity display returns to the normal display.  
2) Select the department number to be deleted with % key.  
3) Press the START key.  
A. Department counter setting/cancel (Function  
code: 0)  
Used to set or cancel the department counter. When this setting is  
made, the copy quantity display lights up with "--."  
E. Copy quantity display (sum total) (Function  
code: 14)  
The copy quantity of each department is displayed.  
Under this state, the department number in 3 digits must be entered  
to operate the machine.  
Enter the function code "14" and select the department number of  
which the total copy quantity is to be displayed.  
After entering the function code "0," use the numeric key to set or  
cancel the department counter.  
If there is no registered department number, the error code "14E" is  
displayed.  
1) To set the department counter, select "1." To cancel, select "0."  
Then press the START key.  
1) Select the department number with % key.  
2) Press and hold "0" key, and the copy quantity will be displayed.  
• The copy quantity is displayed in two steps.  
(Example) Copy quantity: 12, 345  
Memo: After this setting, use the "Department number recording" to  
record the department number of each department.  
(Max. 20 departments can be recorded.)  
2) Press the clear key.  
B. Department number recording (Function code:  
11)  
• To display the copy quantity of another department, repeat the  
same procedure 1) and 2).  
Used to record the department number.  
When the function code "1" is entered, the copy quantity display  
blinks with "--."  
3) Press the clear key to terminate the procedure.  
F. Copy quantity clear (total clear) (Function code:  
When the recorded department number reaches 20, the error code of  
"11E" is displayed.  
15)  
The copy quantity of each department is cleared.  
1) Use the numeric key to enter the number of 3 digits (except for  
000) and press the START key.  
After entering the function code "15", select all department clear or  
specified department clear.  
• When the recorded number or "000" is entered, the entered  
number blinks. In this case, enter another number.  
If there is no registered department, the error code "15E" is dis-  
played.  
• To register another department number, repeat the same pro-  
cedure 1) above.  
(1) All department total clear  
1) Press "1" key.  
2) After completion of recording, press the clear key.  
• The registered department number and each department name  
must be recorded. (Since the department name cannot be  
registered, they must be recorded for total calculation.)  
2) Press the START key.  
(2) Specified department clear  
1) Press "0" key.  
C. Department number change (Function code: 12)  
Used to change the department number.  
2) Select the department number with % key.  
3) Press the START key.  
Enter the function code "12" and select the department number to be  
registered.  
If there is no registered department number, the error code of "12E"  
is displayed.  
1) Select the department number with % key, and press the START  
key.  
• The copy quantity display shows "- - - - ."  
2) Use the numeric key to enter a new department number (3 digits  
except for 000), and press the START key.  
• When the recorded number or "000" is entered, the entered  
number blinks. In this case, enter another number.  
• To register another department number, repeat the same pro-  
cedures 1) and 2) above.  
3) After completion of changing, press the clear key.  
9 – 3  
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AR-161  
[10] TROUBLE CODE LIST  
Classification  
Function  
Copier  
Main code  
H2  
Sub code  
00  
Trouble name  
Thermistor open error  
Remark  
Thermistor is open  
Electrical  
system error  
Fusing temperature abnormality  
(Abnormally high temperature detection)  
Abnormally high fusing temperature  
H3  
H4  
00  
00  
Fusing temperature abnormality  
(Abnormally low temperature detection)  
Abnormally low fusing temperature  
CC  
U2  
Media sensor error  
Document detection error  
EEPROM abnormality  
04  
11  
EEPROM communication error  
Counter SAM error  
EEPROM counter area SAM  
abnormality  
Adjustment value SAM error  
EEPROM adjustment value memory  
area SAM abnormality  
12  
F5  
F6  
02  
00  
10  
Copy lamp error  
Copy lamp disconnection  
FAX  
FAX board communication trouble  
FAX board trouble  
FAX board communication trouble  
(Protocol)  
80  
81  
82  
84  
88  
FAX board communication trouble  
(Parity)  
FAX board communication trouble  
(Overrun)  
FAX board communication trouble  
(Framing)  
FAX board communication trouble  
(Timeout)  
Printer  
F9  
00  
10  
Printer board communication trouble  
Printer board trouble  
Printer board communication trouble  
(Protocol)  
80  
81  
82  
84  
88  
00  
Printer board communication trouble  
(Parity)  
Printer board communication trouble  
(Overrun)  
Printer board communication trouble  
(Framing)  
Printer board communication trouble  
(Timeout)  
Electronic sort  
E1  
Electronic sort board communication  
trouble  
10  
11  
12  
13  
14  
15  
Electronic sort board trouble  
ASIC error  
ASIC abnormality  
Image compression error  
Flash ROM error  
RAM error  
JBIG IC abnormality  
Program ROM abnormality  
Work RAM abnormality  
Print buffer abnormality  
Page memory error  
SIMM error  
Compression storing memory  
abnormality  
16  
17  
80  
Image rotating RAM error  
Rotating RAM abnormality  
Electronic sort board communication  
trouble (Protocol)  
Electronic sort board communication  
trouble (Parity)  
81  
82  
84  
88  
Electronic sort board communication  
trouble (Overrun)  
Electronic sort board communication  
trouble (Framing)  
Electronic sort board communication  
trouble (Timeout)  
10 – 1  
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AR-161  
Classification  
Function  
Main code  
U9  
Sub code  
00  
Trouble name  
Remark  
Electrical  
Operation  
Operation board communication trouble  
system error  
Operation board communication trouble  
(Protocol)  
80  
81  
82  
84  
88  
Operation board communication trouble  
(Parity)  
Operation board communication trouble  
(Overrun)  
Operation board communication trouble  
(Framing)  
Operation board communication trouble  
(Timeout)  
Zero cross  
CCD  
L8  
E7  
01  
04  
05  
Zero cross trouble  
Optical  
system error  
CCD white level trouble  
CCD black level trouble  
Shading trouble  
CCD white level abnormality  
CCD black level abnormality  
White correction is not completed with  
the specified number of operations  
12  
LSU  
E7  
U3  
L1  
L3  
L4  
L6  
F1  
L4  
03  
29  
00  
00  
01  
10  
06  
10  
LSU trouble  
LSU abnormality  
Mechanical  
system error  
Mirror motor  
Mirror home position error  
Mirror feed trouble  
Mirror return trouble  
Main motor lock  
Main motor  
LSU  
Polygon motor trouble  
Shifter motor trouble  
Job separator motor trouble  
Operation connection abnormality  
Shifter  
Job separator  
Operation  
Job separator function  
Others  
Panel individual display caused by  
abnormal panel connection  
U95  
10 – 2  
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AR-161  
[11] MAINTENANCE  
1. Maintenance table  
✕: Check (Clean, adjust, or replace when required.) F: Clean b: Replace v: Adjust ✩: Lubricate  
When calling or  
replacing the kit  
Unit name  
Part name  
Charger unit  
150k  
Transfer section  
F
F
F
F
Transfer paper guide  
Reflector  
Optical section  
Lamp unit  
F
F
Mirror  
F
F
No. 2/3 mirror unit  
Mirror  
F
F
Pulley  
✕
✕
CCD peripheral  
Glass  
Lens  
F
F
Table glass  
F
F
White plate  
F
F
Other  
Drive wire  
✕
✕
Rail  
✕✩  
F
✕✩  
F
Document cover  
Document size sensor  
Dust-proof glass  
Takeup roller  
Paper feed roller  
Spring clutch  
Paper feed roller  
Spring clutch  
PS roller  
F
F
LSU  
F
F
Paper feed section  
Multi paper feed section  
Cassette section  
F
F
F
F
F✩  
F
F✩  
F
F✩  
F
F✩  
F
Paper transport section  
Fusing section  
Transport (paper exit) rollers  
Spring clutch  
Upper heat roller  
Pressure roller  
Pressure roller bearing  
Upper separation pawl  
Lower separation pawl  
Gears  
F
F
F✩  
F
F✩  
b
F
F
✕
F✩  
F
✕
✕
F
Drive section  
✕✩  
✕
✕✩  
F
Belts  
11 – 1  
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AR-161  
B. Charger wire  
[12] DISASSEMBLY AND  
ASSEMBLY  
Installation: The spring tip must be between two reference ribs.  
• The charger wire must be free from twist or bending.  
• Be sure to put the charger wire in the V groove.  
WARNING: Before performing the disassembly procedure, be sure  
to remove the power cord to prevent against an electric  
shock.  
No.  
1
Item  
Page  
12-1  
12-1  
12-2  
12-4  
12-6  
12-6  
12-6  
12-7  
12-8  
12-10  
12-11  
12-12  
High voltage section  
Optical section  
Fusing section  
Paper exit section  
MCU  
2
3
4
5
6
Optical frame unit  
LSU  
7
(
1
)
8
Tray paper feed section/Paper transport section  
Manual multi paper feed section  
(
1
)
(
1
)
9
10 Power section  
11 Developing section  
12 Process section  
(
3
)
1. High voltage section  
(
1
)
No.  
A
Content  
(
1
)
Transfer charger unit  
Charger wire  
(
2
)
B
A. Transfer charger unit  
(
1
)
(
2
)
2. Optical section  
No.  
Content  
(
1
)
A
B
C
D
Table glass  
Copy lamp unit  
Copy lamp  
Lens unit  
A. Table glass  
(
1
)
(
2
)
(
3
)
(
1
)
(
4
)
(
4
)
(
5
)
(
3
)
(
5
)
(
3
)
(
3
)
12 – 1  
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AR-161  
B. Copy lamp unit  
D. Lens unit  
Disassembly: Be sure to put No. 2/3 mirror unit to the positioning  
plate (A).  
Assembly:  
Put the notched surface of wire holder (3) downward,  
tighten temporarily, and install.  
Adjustment: Main scanning direction distortion balance adjustment  
(
4
)
(
4
)
(
2
)
(
A
)
(
3
)
(
A
)
(
1
)
(
2
)
(
3
)
3. Fusing section  
No.  
Contents  
A
B
C
D
E
F
Fusing unit  
Thermostat  
Thermistor  
Heater lamp  
Upper heat roller  
Separation pawl  
Lower heat roller  
(
6
)
(
4
)
(
5
)
G
(
5
)
A. Fusing unit removal  
(
1
)
C. Copy lamp  
(
1
)
(
3
)
(
1
)
(
1
)
(
3
)
(
2
)
(
2
)
12 – 2  
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AR-161  
Assembly: Put the paper guide earth spring (A) under the paper  
guide (B) before fusing.  
B. Thermostat  
(
2
)
(
1
)
(
3
)
(
1
)
(B)  
(A)  
(3)  
(4)  
(3)  
C. Thermistor  
Installation: Check that the thermistor is in contact with the upper  
heat roller.  
Disassembly: There are three pawls on the fusing cover. Remove  
the screws and slide the fusing cover to the right to  
remove.  
(
1
)
The heater lamp is fixed on the fusing cover with a  
screw. Slide the fusing cover to the front and remove  
the screw, then remove the heater lamp.  
(
2
)
(
6
)
(
9
)
(
5
)
(
1
0
)
(
7
)
(
8
)
D. Heater lamp  
Assembly: Insert the spring (A) into the hole (B) in the fusing frame.  
(
A
)
(
8
)
(
(
B
C
)
)
Assembly:  
Put the fusing harness (A) on the heater lamp (B) as  
shown in the figure and fix them together.  
Place the fusing harness inside the rib (C).  
(B)  
(A)  
(2)  
(1)  
(2)  
12 – 3  
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AR-161  
E. Upper heat roller  
G. Lower heat roller  
Assembly: When installing the paper guide (3) before fusing, tighten  
the paper guide fixing plate so that the paper guide fixing  
plate (2) is in contact with the frame bottom section (A)  
under fusing.  
(
1
)
(
2
)
(
2
)
(
A
)
(
4
)
(
3
)
(
1
)
(
1
)
(
3
)
(
3
)
(
2
)
(
4
)
F. Separation pawl  
4. Paper exit section  
(
1
)
No.  
Content  
(
1
)
A
B
C
D
Front cabinet unit/Right cabinet unit  
Paper exit unit  
(
2
)
Transport roller  
(
2
)
Paper exit roller  
(
1
)
A. Front cabinet unit, right cabinet disassembly  
(
2
)
(
1
)
(
5
)
(
2
)
(
2
)
(
4
)
(
6
)
(
6
)
(
1
)
(
3
)
(
1
)
(
5
)
(
5
)
12 – 4  
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AR-161  
B. Paper exit unit  
(
7
)
(
B
)
(
A
)
(
3
)
(
6
)
(
5
)
(
4
)
(
4
)
(
2
)
(
5
)
(
4
)
(
5
)
(
1
)
D. Paper exit roller  
(
1
)
(
3
)
(
9
)
(
1
0
)
(
8
)
(
2
)
(
6
)
(
7
)
(
3
)
(
6
)
(
9
)
(
8
)
(
2
)
C. Transport roller  
(
1
)
(
2
)
(
1
)
Assembly: Insert the spring pin so that the waveform (A) of the  
spring pin faces in the longitudinal direction of the paper  
exit drive gear long hole (B).  
Be sure to insert two ribs (C) into the groove (D).  
12 – 5  
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AR-161  
6. Optical frame unit  
No.  
Content  
A
Optical frame unit  
(
A
)
A. Optical frame unit  
(
B
)
(1)  
(1)  
(
D
)
(2)  
(
4
)
(
4
)
(
C
)
(1)  
(
5
)
(
C
)
(1)  
(1)  
(3)  
(
6
)
(
7
)
(2)  
(
6
)
(
7
)
(
8
)
Installation: Install the optical unit in the sequence shown above.  
5. MCU  
7. LSU  
No.  
Content  
No.  
A
Content  
A
MCU  
LSU unit  
A. MCU disassembly  
Note: When replacing the MCU PWB, be sure to replace the  
EEPROM of the MCU PWB to be replaced.  
A. LSU unit  
(3)  
(4)  
(1)  
(1)  
(1)  
(1)  
(2)  
(2)  
(1)  
12 – 6  
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AR-161  
Assembly: Do not miss the door lock pawl.  
(
5
)
(
6
)
(
3
)
(
4
)
(
5
)
Adjustment: • Image lead edge position adjustment  
• Image left edge position adjustment  
• Paper off-center adjustment  
8. Tray paper feed section/Paper transport  
section  
B. Drive unit  
Assembly: Move down the clutch pawl as shown below, and avoid  
the clutch and install.  
No.  
A
Content  
Interface frame unit  
Drive unit  
(1)  
B
(2)  
C
Solenoid (paper feed solenoid, resist roller solenoid)  
Resist roller clutch , Resist roller  
D
E
Paper feed clutch/Paper feed roller (Semi-circular roller)  
A. Intermittent frame unit  
(2)  
(1)  
(1)  
(2)  
12 – 7  
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AR-161  
C. Solenoid (paper feed solenoid, resist roller  
solenoid)  
E. Paper feed clutch/Paper feed roller  
(Semi-circular roller)  
(3)  
(
1
)
(
2
)
(2)  
(
3
)
(2)  
(1)  
(
4
)
D. Resist roller clutch/Resist roller  
9. Manual multi paper feed section  
(
1
)
No.  
A
Content  
Manual multi paper feed section  
Manual transport clutch  
(
2
)
B
C
Manual paper feed clutch  
D
Manual transport roller/Manual paper feed roller  
Multi feed solenoid  
E
A. Manual multi paper feed  
(
1
)
(
3
)
(
3
)
(
4
)
(
3
)
(
2
)
(
3
)
(
2
)
(
A
)
12 – 8  
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AR-161  
Disassembly: Set up the cam transmission arm (2), and remove it.  
B. Manual transport clutch  
Assembly:  
Install so that the cam transmission arm (2) is under  
the roller arm (A).  
(
4
)
(
3
)
(
5
)
(
3
)
(
2
)
(
A
)
(
4
)
(
8
)
(
1
)
(
1
)
C. Manual paper feed clutch  
Disassembly: Set up the shutter arm (1) then remove it.  
Assembly:  
Install so that the boss section of the fulcrum arm (2)  
comes between ribs.  
(
1
)
(
2
)
(
7
)
(
5
)
(
6
)
12 – 9  
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AR-161  
D. Manual transport roller/Manual paper feed roller  
Installation: Be careful of the installing direction of the manual  
transport roller (4).  
10. Power section  
No.  
Content  
A
Power unit  
A. Power unit  
(
3
)
(
3
)
(
3
)
(
1
)
(
3
)
(
2
)
(
4
)
(
5
)
(
5
)
(
4
)
(
1
)
(
4
)
(
1
)
C
O
L
K
T
O
E. Multi feed solenoid  
Assembly: Install so that the latches (A) and (B) move smoothly.  
(
1
)
(
2
)
(
1
)
(
1
)
(
B
)
(
A
)
(
2
)
(
2
)
12 – 10  
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AR-161  
D. MG roller  
11. Developing section  
No.  
A
Contents  
Waste toner box  
Developing box  
Developing doctor  
MG roller  
B
C
D
A. Waste toner box  
(
2
)
(
1
)
(
2
)
(
1
)
(
1
)
(
5
)
(
1
)
(
4
)
B. Developing box  
(
3
)
(
3
)
(
1
)
(
6
)
(
2
)
Adjustment: MG roller main pole position adjustment  
C. Developing doctor  
(
2
)
(
1
)
(
1
)
Adjustment: Developing doctor gap adjustment  
12 – 11  
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AR-161  
B. MC holder unit  
12. Process section  
No.  
Contents  
(
1
)
A
B
C
Drum unit  
(
2
)
MC holder unit  
Cleaning blade  
(
1
)
A. Drum unit  
Assembly: When installing the drum cover (1), be sure to engage the  
transport screw gear (A) rib and the detection gear (B).  
(
1
)
C. Cleaning blade  
(
1
)
(
2
)
(
1
)
(
B
)
(
A
)
C
C
(
2
)
(
3
)
12 – 12  
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AR-161  
[13] ELECTRICAL SECTION  
1. Outline  
A. Block diagram  
13 – 1  
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AR-161  
2. MCU  
(1) Block diagram (MCU)  
(2) CPU (HD6412351IF)  
a. pin/signal table  
Pin No.  
1
Pin name  
/CS1  
/CS0  
VSS  
VSS  
VCC  
A0  
Signal name  
/CS1  
I/O  
Function  
Area 1 chip select  
Area 0 chip select  
Purpose  
SRAM chip select  
Descriptions  
OUT  
OUT  
L: Select  
L: Select  
2
/CS0  
Flash ROM chip select  
3
POW Ground pin  
POW Ground pin  
POW Power pin  
4
5
6
A0  
A1  
A2  
A3  
OUT  
OUT  
OUT  
OUT  
Address bus 0  
Address bus 1  
Address bus 2  
Address bus 3  
System bus  
System bus  
System bus  
System bus  
7
A1  
8
A2  
9
A3  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
VSS  
A4  
POW Ground pin  
A4  
A5  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
Address bus 4  
Address bus 5  
Address bus 6  
Address bus 7  
Address bus 8  
Address bus 9  
Address bus 10  
Address bus 11  
System bus  
System bus  
System bus  
System bus  
System bus  
System bus  
System bus  
System bus  
A5  
A6  
A6  
A7  
A7  
A8  
A8  
A9  
A9  
A10  
A11  
VSS  
A12  
A13  
A10  
A11  
POW Ground pin  
A12  
A13  
OUT  
OUT  
Address bus 12  
Address bus 13  
System bus  
System bus  
(Pin descriptions) IN: Input pin OUT: Output pin BIDIR: Bi-directional pin ODN: Open drain output pin TR1: 3-state output pin POW: Power pin  
13 – 2  
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AR-161  
Descriptions  
Pin No.  
22  
Pin name  
A14  
Signal name  
A14  
I/O  
Function  
Address bus 14  
Purpose  
System bus  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
23  
A15  
A15  
Address bus 15  
Address bus 16  
Address bus 17  
Address bus 18  
Address bus 19  
System bus  
System bus  
System bus  
System bus  
System bus  
24  
A16  
A16  
25  
A17  
A17  
26  
A18  
A18  
27  
A19  
A19  
28  
VSS  
POW Ground pin  
29  
A20  
A20  
OUT  
IN  
Address bus 20  
System bus  
30  
/IRQ5  
/IRQ6  
/IRQ7  
/SPFCOVER  
/OCCOVER  
MHP  
Interruption request 5  
Interruption request 6  
Interruption request 7  
SPF cover sensor interruption 1: Cover close  
31  
IN  
OC cover sensor interruption  
0: Cover close  
32  
IN  
Mirror home position sensor  
interruption  
1: Home position  
0: Paper presence  
0: Effective  
33  
34  
/IRQ3  
/IRQ2  
/SPFPAPER  
/CPUSYNC  
IN  
IN  
Interruption request 3  
Interruption request 2  
SPF paper pass sensor  
interruption  
Horizontal sync signal  
interruption  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
VSS  
VSS  
/IRQ1  
/IRQ0  
VCC  
D0  
POW Ground pin  
POW Ground pin  
/FW  
IN  
IN  
Interruption request 1  
Interruption request 0  
Zero cross interruption  
Loop interruption  
0: Effective  
0: Effective  
/LOOPINT  
POW Power pin  
BIDIR Data bus 0  
BIDIR Data bus 1  
BIDIR Data bus 2  
BIDIR Data bus 3  
POW Ground pin  
BIDIR Data bus 4  
BIDIR Data bus 5  
BIDIR Data bus 6  
BIDIR Data bus 7  
BIDIR Data bus 8  
BIDIR Data bus 9  
BIDIR Data bus 10  
BIDIR Data bus 11  
POW Ground pin  
BIDIR Data bus 12  
BIDIR Data bus 13  
BIDIR Data bus 14  
BIDIR Data bus 15  
POW Power pin  
D0  
D1  
D2  
D3  
System bus  
System bus  
System bus  
System bus  
D1  
D2  
D3  
VSS  
D4  
D4  
D5  
System bus  
System bus  
System bus  
System bus  
System bus  
System bus  
System bus  
System bus  
D5  
D6  
D6  
D7  
D7  
D8  
D8  
D9  
D9  
D10  
D11  
VSS  
D12  
D13  
D14  
D15  
VCC  
P30  
TXD1  
D10  
D11  
D12  
D13  
D14  
D15  
System bus  
System bus  
System bus  
System bus  
—
OUT  
OUT  
General port 30  
Reservation  
L: Level fixing output  
UART serial output  
TXD1  
SCI channel 1 serial  
transmission  
Service connector  
61  
62  
63  
64  
65  
66  
P32  
RXD1  
P34  
SDA  
RXD1  
ODN General port 32  
EEPROM control  
12CBUS data line  
UART input  
IN  
SCI channel 1 serial reception Service connector  
SCL  
ODN General port 34  
EEPROM control  
Service connector  
12CBUS clock line  
0: Service mode  
P35  
/FROMUP  
IN  
POW Ground pin  
IN DMAC channel 0 external  
request  
General port 35  
VSS  
/DREQ0  
/DREQ0  
Mirror and SPF motor  
acceleration/reduction control  
0: Request effective  
67  
68  
69  
70  
VSS  
VSS  
POW Ground pin  
POW Ground pin  
/CS5  
—
OUT  
IN  
Area 5 chip select  
Reservation  
L: Select  
/DREQ1  
/DREQ1  
DMAC channel 1 external  
request  
Lifter and separator motor  
acceleration/reduction control  
0: Request effective  
71  
72  
P63  
P27  
POFFR  
OUT  
IN  
General port 63  
General port 27  
Power off relay control  
H: AC switch OFF  
0: Page effective  
/ESPAGE  
ERDH option page signal  
detection  
73  
P26  
/PCLPAGE  
IN  
General port 26  
PCl operation page signal  
detection  
0: Page effective  
(Pin descriptions) IN: Input pin OUT: Output pin BIDIR: Bi-directional pin ODN: Open drain output pin TR1: 3-state output pin POW: Power pin  
13 – 3  
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AR-161  
Pin No.  
Pin name  
P25  
Signal name  
/FAXPAGE  
I/O  
IN  
Function  
General port 25  
Purpose  
Descriptions  
0: Page effective  
74  
FAX option page signal  
detection  
75  
76  
P24  
P23  
/READY  
/PWOFF  
OUT  
OUT  
General port 24  
General port 23  
Machine ready signal  
Power off signal  
L: Machine ready state  
L: Power interruption  
detecting state  
77  
78  
P22  
P21  
/SCANSP  
/SCANST  
OUT  
OUT  
General port 22  
General port 21  
Scan stop signal  
Scan start signal  
L: Scanning operation  
interruption  
L: Scanning operation  
effective  
79  
80  
81  
82  
P20  
/WDTOVR  
/RES  
/PRSTART  
OUT  
OUT  
IN  
General port 20  
Print start signal  
System reset  
System reset  
Reservation  
L: Printing effective  
L: System restart  
0: Power on reset  
1: Level fixing input  
—
—
—
Watch dog timer overflow  
System reset  
NMI  
IN  
Non-maskable interruption  
request  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
94  
95  
96  
97  
98  
99  
100  
101  
102  
/STBY  
VCC  
XTAL  
EXTAL  
VSS  
â
—
IN  
Stand-by  
Reservation  
1: Level fixing input  
POW Power pin  
—
—
IN  
Oscillation pin  
Oscillation pin  
Oscillator (19.6608MHz)  
Oscillator (19.6608MHz)  
OUT  
POW Ground pin  
OUT System clock  
POW Power pin  
CPUCLK  
System clock  
19.6608MHz clock output  
VCC  
/AS  
/AS  
/RD  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
IN  
Address strobe  
System bus  
L: Address effective  
L: Lead effective  
L: Highlight effective  
L: Row write effective  
L: Rotating  
/RD  
Lead strobe  
System bus  
/HWR  
/LWR  
PF2  
/HWR  
/LWR  
Highlight enable  
Row write enable  
General port F2  
General port F1  
General port F0  
General port 50  
General port 51  
System bus  
System bus  
/TMEN  
PMD  
Toner motor drive control  
Polygon motor drive control  
Main motor drive control  
Main motor ready signal  
Polygon motor ready signal  
PF1  
H: Rotating  
PF0  
MMD  
H: Rotating  
P50  
/MMRDY  
/PMRDY  
0: Rotation stable state  
0: Rotation stable state  
P51  
IN  
VSS  
VSS  
P52  
POW Ground pin  
POW Ground pin  
/PRLINE  
/SCLINE  
OUT  
OUT  
General port 52  
General port 53  
Print line signal  
Scan line signal  
L: Printing effective  
P53  
L: Scanning operation  
effective  
103  
104  
105  
AVCC  
VREF  
AN0  
POW Analog power pin  
POW Analog reference pin  
RTH  
IN  
Analog input 0  
Fusing thermistor  
temperature detection  
106  
107  
108  
109  
110  
111  
112  
113  
114  
115  
116  
117  
118  
119  
120  
121  
AN1  
AN2  
—
—
IN  
IN  
Analog input 1  
Analog input 2  
Analog input 3  
Analog input 4  
Analog input 5  
Analog output 0  
Analog output 1  
Reservation  
Reservation  
AN3  
TONER  
—
IN  
Toner sensor  
5V: Toner empty  
AN4  
IN  
Reservation  
AN5  
—
IN  
Reservation  
DA0  
DA0  
DA1  
OUT  
OUT  
CCD reference + side  
CCD reference – side  
DA1  
AVSS  
VSS  
POW Analog ground pin  
POW Ground pin  
TCLKD  
TIOCA2  
TCLKC  
TIOCA1  
TCLKB  
TCLKA  
/DACK1  
LFTCLK  
TMCLK  
SFTCLK  
PMCLK  
SPFCLK  
MIRCLK  
—
IN  
OUT  
IN  
Timer clock external input  
Separator motor step count  
Toner motor clock  
Separator motor clock input  
960Hz clock output  
Timer clock external output  
Timer clock external input  
Timer clock external output  
Timer clock external input  
Timer clock external input  
Shifter motor step count  
Polygon motor clock  
SPF motor step count  
Mirror motor step count  
Reservation  
Shifter motor clock input  
2078.74Hz clock output  
SPF motor clock input  
Mirror motor clock input  
L: Acknowledge effective  
OUT  
IN  
IN  
OUT  
DMAC channel 1  
acknowledge  
122  
123  
/DACK0  
MD0  
—
—
OUT  
IN  
DMAC channel 0  
acknowledge  
Reservation  
L: Acknowledge effective  
Operation mode 4  
Operation mode setting pin 0 Operation mode setting  
(MODE 4)  
(Pin descriptions) IN: Input pin OUT: Output pin BIDIR: Bi-directional pin ODN: Open drain output pin TR1: 3-state output pin POW: Power pin  
13 – 4  
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AR-161  
Pin No.  
124  
Pin name  
MD1  
Signal name  
—
I/O  
IN  
Function  
Purpose  
Descriptions  
Operation mode 4  
Operation mode setting pin 1 Operation mode setting  
(MODE 4)  
125  
MD2  
—
IN  
Operation mode setting pin 2 Operation mode setting  
(MODE 4)  
Operation mode 4  
0: Busy state  
126  
127  
128  
PG0  
/CS3  
/CS2  
RY/BY  
/CS3  
IN  
General port G0  
Area 3 chip select  
Area 2 chip select  
Flash ROM busy signal  
OUT  
OUT  
I/O extension ASIC chip select L: Select effective  
Image ASIC chip select L: Select effective  
/CS2  
(Pin descriptions) IN: Input pin OUT: Output pin BIDIR: Bi-directional pin ODN: Open drain output pin TR1: 3-state output pin POW: Power pin  
(3) Image ASIC (HG73C039FD)  
a. Outline  
Fig. 4 shows the block diagram of the ASIC.  
The ASIC is composed of the following three blocks; the image process section, the print control section, and the I/F section.  
The image process section processes the image data from the CCD PWB according to the operation mode, such as shading, AE process,  
resolution conversion. and zooming.  
The print control section outputs the image-processed data during copying to the LSU (Laser unit) in synchronization with writing timing of the LSU.  
The I/F section controls communication of interface (IEEE1284) with the host PC and controls DRAM of send/receive data buffer with the host PC.  
(Only for models with the printer function)  
The ASIC is controlled by the CPU which writes the operation mode and the set values necessary for each operation mode to the ASIC control  
register.  
b. pin/signal table  
PIN  
No.  
PIN  
No.  
Signal name IN/OUT  
Description  
Signal name IN/OUT  
Description  
1
2
/SCANSP  
/PRSTART  
TMON  
IN  
IN  
Scanner process interrupt signal  
Print start trigger signal  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
/CPUSYNC  
/INTR  
OUT Horizontal synchronization signal  
OUT Interruption request signal  
3
IN  
Toner motor ON/OFF  
/CPUCS  
/RESET  
5V  
IN  
CPU chip select signal  
Reset signal  
4
TMCLK  
IN  
Toner motor reference clock  
IN  
5
3.3V  
Power  
IN  
Power  
Power  
Power  
Power  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
6
CPUAD7  
CPUAD6  
GND  
GND  
CPU address bus  
CPU address bus  
7
IN  
3.3V  
8
Power  
IN  
GND  
9
CPUAD5  
CPUAD4  
CPUAD3  
CPUAD2  
CPUAD1  
MDATA15  
MDATA14  
MDATA13  
MDATA12  
MDATA11  
10  
11  
12  
13  
IN  
Data bus of DRAM (page memory)  
IN  
IN  
IN  
13 – 5  
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AR-161  
PIN  
No.  
PIN  
No.  
Signal name IN/OUT  
Description  
Signal name IN/OUT  
Description  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
MDATA10  
MDATA9  
MDATA8  
MDATA7  
3.3V  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
Power  
83  
84  
/HSYNC  
/PCLPRD  
/PCLREQ  
/PCLACK  
/PCLCS  
3.3V  
OUT  
IN  
Data bus of DRAM (page memory)  
(Not used)  
85  
OUT  
IN  
86  
87  
IN  
MDATA6  
MDATA5  
GND  
IN/OUT  
IN/OUT  
Power  
88  
Power  
Power  
Power  
Power  
IN  
Data bus of DRAM (page memory)  
Data bus of DRAM (page memory)  
89  
GND  
90  
5V  
MDATA4  
MDATA3  
MDATA2  
MDATA1  
MDATA0  
/RAS0  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
91  
GND  
92  
/FAXPRD  
/FAXREQ  
/FAXACK  
3.3V  
(Not used)  
(Not used)  
93  
OUT  
IN  
94  
95  
Power  
IN  
OUT RAS signal 0 of DRAM (page  
memory)  
96  
/FAXCS  
/ESPRD  
GND  
97  
IN  
41  
42  
/RAS1  
/RAS2  
OUT RAS signal 1 of DRAM (page  
memory)  
98  
Power  
OUT  
IN  
99  
/ESREQ  
/ESACK  
/ESCS  
PARAD0  
PARAD1  
PARAD2  
PARAD3  
PARAD4  
PARAD5  
5V  
OUT RAS signal 2 of DRAM (page  
memory)  
100  
101  
102  
103  
104  
105  
106  
107  
108  
109  
110  
111  
112  
113  
114  
115  
116  
117  
118  
119  
120  
121  
122  
123  
124  
125  
126  
127  
128  
129  
130  
131  
132  
133  
134  
135  
136  
137  
IN  
43  
44  
45  
46  
/RAS64  
3.3V  
OUT (Not used)  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
Power  
IN/OUT  
IN/OUT  
Power  
OUT  
IN  
Power  
(Not used)  
/RAS16  
MAD0  
OUT (Not used)  
OUT Address bus of DRAM (page  
memory)  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
GND  
MAD1  
MAD2  
MAD3  
MAD4  
MAD5  
MAD6  
MAD7  
MAD8  
MAD9  
3.3V  
Power  
OUT  
OUT  
OUT  
PARAD6  
PARAD7  
GND  
(Not used)  
(Not used)  
OUT  
Address bus of DRAM (page  
memory)  
OUT  
OUT  
OUT  
OUT  
OUT  
Power  
/REV  
INIT  
/SLCTIN  
/AUTOFD  
/STB  
IN  
IN  
IN  
/ACK  
OUT  
OUT  
OUT  
OUT  
Power  
MAD10  
MAD11  
GND  
OUT Address bus of DRAM (page  
BUSY  
memory)  
OUT  
PE  
Power  
/FAULT  
5V  
/CAS0  
/CAS1  
/OE  
OUT CAS signal of DRAM (page  
memory)  
OUT  
SLCT  
OUT (Not used)  
OUT Read enable signal of DRAM  
/TESTPIN0  
GND  
IN  
Power  
IN  
High: Normal Low: Test  
(page memory)  
64  
/WE  
OUT Write enable signal of DRAM (page  
PFCLK  
/TESTPIN1  
/SYNCEN  
SD10  
Write clock  
memory)  
IN  
High: Normal Low: Test  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
81  
82  
OUTD0  
OUTD1  
OUTD2  
OUTD3  
3.3V  
OUT  
OUT Jitter adjustment IC trigger signal  
IN/OUT  
OUT  
(Not used)  
OUT  
OUT  
SD11  
IN/OUT  
Data line to SRAM before are  
separation  
SD12  
IN/OUT  
Power  
SD13  
IN/OUT  
IN/OUT  
Power  
OUTD4  
OUTD5  
GND  
OUT  
(Not used)  
OUT  
SD14  
5V  
Power  
OUT  
OUT  
OUT  
OUT  
SD15  
IN/OUT  
IN/OUT  
Power  
Data line to SRAM before are  
separation  
OUTD6  
OUTD7  
OUTD8  
OUTD9  
OUTD11  
OUTD10  
OUTD12  
OUTD13  
OUTD14  
OUTD15  
SD16  
GND  
SD17  
IN/OUT Data line to SRAM before are  
separation  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
(Not used)  
138  
139  
140  
SOE1  
SWE1  
SCS1  
OUT Read enable line to SRAM before  
area separation  
OUT Write enable line to SRAM before  
area separation  
OUT Chip select line to SRAM before  
area separation  
13 – 6  
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AR-161  
PIN  
No.  
PIN  
No.  
Signal name IN/OUT  
Description  
Signal name IN/OUT  
Description  
141  
142  
143  
SOE0  
SWE0  
SCS0  
OUT Read enable line to SRAM before  
area separation  
196  
197  
198  
199  
200  
201  
202  
203  
204  
205  
206  
207  
208  
209  
210  
211  
212  
213  
214  
215  
216  
—
3.3V  
—
OUT NC  
Power  
OUT  
OUT  
Power  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
Power  
OUT  
OUT  
Power  
OUT Write enable line to SRAM before  
area separation  
NC  
—
OUT Chip select line to SRAM before  
area separation  
GND  
—
144  
145  
146  
147  
148  
149  
150  
151  
152  
153  
154  
155  
156  
157  
158  
159  
160  
161  
162  
163  
164  
165  
166  
167  
168  
169  
SD00  
SD01  
5V  
IN/OUT Data line to SRAM before are  
—
separation  
IN/OUT  
Power  
—
—
SD02  
SD03  
GND  
IN/OUT Data line to SRAM before are  
NC  
—
separation  
IN/OUT  
Power  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
OUT  
—
—
SD04  
SD05  
SD06  
SD07  
SAD0  
SAD1  
SAD2  
SAD3  
SAD4  
SAD5  
SAD6  
SAD7  
GND  
—
Data line to SRAM before are  
separation  
—
3.3V  
—
NC  
—
OUT  
GND  
/PCLPCS  
/FAXPCS  
/ESPCS  
OUT  
OUT PCL option print data control  
OUT FAX option print data control  
Address line to SRAM before area  
separation  
OUT  
OUT  
OUT Electronic sort option print data  
control  
OUT  
OUT  
217  
—
OUT NC  
OUT  
OUT  
218 CV_START  
219 CV_COUNT  
Power  
OUT  
OUT  
SAD8  
SAD9  
SAD10  
SAD11  
SAD12  
SAD13  
/f1  
Copy vendor control  
Copy vendor control  
220  
221  
222  
223  
224  
225  
226  
227  
228  
229  
230  
231  
232  
233  
234  
235  
236  
237  
238  
239  
240  
241  
242  
243  
244  
245  
246  
247  
248  
249  
250  
251  
252  
253  
254  
CV_SIZE3  
CV_SIZE2  
CV_SIZE1  
5V  
OUT  
OUT  
OUT  
Address line to SRAM before area  
separation  
OUT  
OUT  
OUT  
Power  
OUT  
OUT  
CV_SIZE0  
CV_DPX  
GND  
OUT  
OUT  
OUT CCD drive signal transfer clock  
(First phase)  
Power  
CV_CA  
—
OUT Copy vendor control  
OUT NC  
170  
/f2  
OUT CCD drive signal transfer clock  
(Second phase)  
TM  
OUT Toner motor drive output (+)  
OUT Toner motor drive output (–)  
IN/OUT  
171  
172  
173  
174  
/SH  
5V  
OUT CCD drive signal shift pulse  
Power  
TM_  
CPUD15  
CPUD14  
CPUD13  
CPUD12  
CPUD11  
5V  
RS  
SP  
OUT CCD drive signal reset pulse  
IN/OUT  
OUT CCD drive signal sampling hold  
pulse  
CPU data bus  
IN/OUT  
IN/OUT  
IN/OUT  
Power  
IN/OUT  
IN/OUT  
Power  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
IN/OUT  
Power  
IN  
175  
176  
177  
178  
179  
180  
181  
182  
183  
184  
185  
186  
GND  
CP  
Power  
OUT A/D conversion IC latch clock  
BCLK  
IDIN0  
IDIN1  
IDIN2  
IDIN3  
IDIN4  
IDIN5  
IDIN6  
5V  
OUT CCD shield output latch signal  
CPUD10  
CPUD9  
GND  
IN  
IN  
CPU data bus  
IN  
Image scan data (after 8bit A/D  
conversion)  
CPUD8  
CPUD7  
CPUD6  
CPUD5  
CPUD4  
CPUD3  
CPUD2  
CPUD1  
CPUD0  
3.3V  
IN  
IN  
IN  
IN  
CPU data bus  
Power  
IDIN7  
IN  
Image scan data (after 8bit A/D  
conversion)  
187  
188  
189  
/SDCLK  
GND  
OUT Effective image area signal  
Power  
SFCLK  
IN  
IN  
IN  
CCD drive clock (48MHz)  
High: Normal Low: Test  
Horizontal synchronization signal  
(HSYNC) from LSU  
/CPUWR  
/CPURD  
GND  
CPU write signal  
CPU read signal  
190 TEST port 0  
IN  
191  
/SYNC  
Power  
IN  
CPUCLK  
GND  
CPU system clock  
192  
193  
194  
195  
/LD  
/LEND  
/VIDEOCS  
—
OUT Laser drive signal  
OUT Laser APC signal  
OUT Video data control  
OUT NC  
Power  
IN  
255 TEST PORT1  
256 /SCANST  
High: Normal Low: Test  
IN  
Scanner process start signal  
13 – 7  
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AR-161  
(4) I/O ASIC  
a. pin/signal table  
Pin No.  
1
Pin name  
Signal name  
I/O  
POW  
POW  
IN  
Purpose  
Descriptions  
GND  
GND  
2
3
SCK  
0: Level fixing input  
4
AMC  
IN  
0: Level fixing input  
0: Level fixing input  
5
SMC  
IN  
6
UART0SIN/SIN  
UART0SOUT/SOT  
UART0CTSB  
UART0RTSB  
GND  
OPECMD  
OPESTS  
IN  
Operation panel command interface  
Operation panel command interface  
Operation panel command interface  
Operation panel command interface  
7
OUT  
IN  
8
/OPESRDY  
/OPECRDY  
9
OUT  
POW  
IN  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
UART1SIN  
UART1SOUT  
UART1CTSB  
UART1RTSB  
UART2SIN  
VCC  
OPECMD  
OPESTS  
Electronic sort option command interface  
Electronic sort option command interface  
Electronic sort option command interface  
Electronic sort option command interface  
FAX option command interface  
OUT  
IN  
/OPESRDY  
/OPECRDY  
OPECMD  
OUT  
IN  
POW  
OUT  
IN  
UART2SOUT  
UART2CTSB  
UART2RTSB  
GND  
OPESTS  
/OPESRDY  
/OPECRDY  
FAX option command interface  
FAX option command interface  
FAX option command interface  
OUT  
POW  
POW  
POW  
IN  
VCC  
GND  
UART3SIN  
UART3SOUT  
UART3CTSB  
UART3RTSB  
VCC  
OPECMD  
OPESTS  
PQL option command interface  
PQL option command interface  
PQL option command interface  
PQL option command interface  
OUT  
IN  
/OPESRDY  
/OPECRDY  
OUT  
POW  
OUT  
OUT  
OUT  
IN  
DSLED1  
LED1  
LED2  
LED3  
DSIN1  
3; Beam document size sensor control  
3; Beam document size sensor control  
3; Beam document size sensor control  
1: Beam document size sensor detection  
DSLED2  
DSLED3  
DSIN0  
GND  
POW  
IN  
DSIN1  
DSIN2A  
DSIN2B  
DS3IN  
2: Beam document size sensor A detection  
2: Beam document size sensor B detection  
3: Beam document size sensor detection  
Mirror motor phase A drive  
DSIN2  
IN  
DSIN3  
IN  
PMC0POUT0  
VCC  
MIRMODA  
OUT  
POW  
OUT  
OUT  
POW  
POW  
POW  
OUT  
OUT  
OUT  
OUT  
POW  
OUT  
OUT  
OUT  
OUT  
POW  
OUT  
OUT  
OUT  
OUT  
IN  
H: Drive  
PMC0POUT1  
PMC0POUT2  
VCC  
MIRMODB  
/MIRMODA  
Mirror motor phase B drive  
Mirror motor phase /A drive  
H: Drive  
H: Drive  
GND  
GND  
PMC0POUT3  
PMC2POUT0  
PMC2POUT1  
PMC2POUT2  
VCC  
/MIRMODB  
SFTDA  
Mirror motor phase /B drive  
Shifter motor phase A drive  
Shifter motor phase B drive  
Shifter motor phase /A drive  
H: Drive  
H: Drive  
H: Drive  
H: Drive  
SFTDB  
/SFTDA  
PMC2POUT3  
PMC3POUT0  
PMC3POUT1  
PMC3POUT2  
GND  
/SFTDB  
LFTDA  
LFTDB  
/LFTDA  
Shifter motor phase /B drive  
Separator motor phase A drive  
Separator motor phase B drive  
Separator motor phase /A drive  
H: Drive  
H: Drive  
H: Drive  
H: Drive  
PMC3POUT3  
PMC4POUT0  
PMC4POUT1  
PMC4POUT2  
TESTB  
/LFTDB  
DPXDA  
DPXDB  
/DPXDA  
Separator motor phase /B drive  
Duplex motor phase A drive  
Duplex motor phase B drive  
Duplex motor phase /A drive  
H: Drive  
H: Drive  
H: Drive  
H: Drive  
1: Level fixing input  
1: Level fixing input  
TESTB  
IN  
GND  
POW  
(Pin descriptions) IN: Input pin OUT: Output pin BIDIR: Bi-directional pin ODN: Open drain output pin TR1: 3-state output pin POW: Power pin  
13 – 8  
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AR-161  
Descriptions  
Pin No.  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
94  
95  
96  
97  
98  
Pin name  
GND  
Signal name  
I/O  
POW  
POW  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
POW  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
POW  
OUT  
IN  
Purpose  
VCC  
PMC4POUT3  
PWM0POUT  
PWM1POUT  
P0OUT8  
P0OUT9  
P0OUT10  
P0OUT11  
GND  
/DPXDB  
PFANMD  
TFANMD  
SOPHIA  
/LOOPINT  
—
Duplex motor phase /B drive  
Power fan motor drive  
Fusing fan motor drive  
(Not used)  
H: Drive  
H: Drive  
H: Drive  
Loop interruption control  
(Not used)  
L: Interruption  
—
(Not used)  
P0OUT12  
P0OUT13  
P0OUT14  
P0OUT15  
P1OUT12  
P1OUT13  
P1OUT14  
VCC  
MIRMO0  
MIRMO1  
PDOWN  
—
Mirror motor phase current control 0  
Mirror motor phase current control 1  
SPF motor phase current control  
(Not used)  
H: Power down  
H: Power down  
H: Power down  
SPFPSOL  
SPFGSOL  
SPFRSOL  
SPF pickup solenoid drive  
SPF gate solenoid  
H: Drive  
H: Drive  
H: Drive  
SPF release solenoid drive  
P1OUT15  
P0IN0  
SPFCLH  
PIN  
SPF clutch solenoid  
H: Drive  
Paper in sensor detection  
1: Paper presence  
GND  
POW  
POW  
IN  
VCC  
P0IN1  
POUT  
PDPX  
LFTHP  
Paper out sensor detection  
1: Paper presence  
0: Paper presence  
1: Home position  
P0IN2  
IN  
Duplex control sensor detection  
Separator home position sensor detection  
P0IN3  
IN  
GND  
POW  
IN  
P0IN4  
/SFTHP  
PFULL  
MHP  
Shifter home position sensor detection  
Tray paper full sensor detection  
0: Home position  
1: Paper full  
P0IN5  
IN  
P0IN6  
IN  
Mirror home position sensor detection  
1: Home position  
VCC  
POW  
POW  
IN  
GND  
PFCLK  
GND  
PFCLK  
Dot count control  
POW  
POW  
IN  
GND  
LDB  
/VIDEO  
S/H  
Dot count control  
Dot count control  
0: Effective  
0: Effective  
LENDB  
VCC  
IN  
POW  
IN  
P0IN7  
/CV_COPY  
/HTEMP  
Coin vendor copy enable detection  
Fusing thermistor abnormally high temperature  
detection  
0: Copy enabled  
P0IN8  
IN  
0: Abnormally high temperature  
99  
P0IN9  
VCC  
/THOPEN  
IN  
POW  
POW  
IN  
Fusing thermistor disconnection detection  
0: Wire disconnection  
100  
101  
102  
103  
104  
105  
106  
107  
108  
109  
110  
111  
112  
113  
114  
115  
GND  
P0IN10  
P0IN11  
GND  
CASETTE  
Copier cassette switch detection  
1: Cassette installed  
0: Paper empty  
/CPEMPTY  
IN  
Copier cassette paper empty sensor detection  
POW  
IN  
P0IN12  
P0IN13  
P0IN14  
P0IN15  
P1IN0  
P1IN1  
P1IN2  
VCC  
HPEMPTY  
/DEV  
Manual feed tray paper empty sensor detection  
Developing unit installation detection  
Drum initial switch detection  
1: Paper empty  
IN  
0: Unit installed  
DRUM  
IN  
1: Drum initial  
/CSW  
IN  
Side cover switch detection  
0: Cover close  
/PMEMO  
/CSPEED  
/DPXSW  
IN  
Memory print operation setup jumper detection  
Copy speed setup jumper detection  
Duplex print operation setup jumper detection  
1: Operation enabled  
"1: 20ppm, 0: 16ppm"  
1: Operation enabled  
IN  
IN  
POW  
IN  
P1IN3  
P1IN4  
P1IN5  
/SFTSW  
/LFTSW  
/INCHSW  
Shifter operation setup jumper detection  
Separator operation setup jumper detection  
1: Operation enabled  
1: Operation enabled  
1: Operation enabled  
IN  
IN  
Inch series document size sensor setup jumper  
detection  
116  
117  
P1IN6  
P1IN7  
/JPNABSW  
/EXJABSW  
IN  
IN  
Japan AB series document size sensor setup  
jumper detection  
1: Operation enabled  
1: Operation enabled  
EX AB series document size sensor setup jumper  
detection  
(Pin descriptions) IN: Input pin OUT: Output pin BIDIR: Bi-directional pin ODN: Open drain output pin TR1: 3-state output pin POW: Power pin  
13 – 9  
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AR-161  
Pin No.  
Pin name  
P1IN8  
Signal name  
/ESREADY  
/FAXREADY  
I/O  
IN  
Purpose  
Descriptions  
0: Option installed  
118  
119  
120  
121  
122  
123  
124  
125  
126  
127  
128  
129  
130  
131  
132  
133  
134  
135  
136  
137  
138  
139  
140  
141  
142  
143  
144  
145  
146  
147  
148  
149  
150  
151  
152  
153  
154  
155  
156  
157  
158  
159  
160  
161  
162  
163  
164  
165  
166  
167  
168  
169  
170  
171  
172  
173  
174  
175  
176  
177  
178  
179  
Electronic sort board option installation detection  
FAX board option installation detection  
P1IN9  
IN  
0: Option installed  
VCC  
POW  
POW  
POW  
IN  
GND  
GND  
TEST  
(Not used)  
0: Level fixing input  
0: Level fixing input  
0: Level fixing input  
0: Option installed  
TEST  
IN  
(Not used)  
TEST  
IN  
(Not used)  
P1IN10  
P1IN11  
P1IN12  
P1IN13  
VCC  
/PCLREADY  
IN  
FAX board option installation detection  
SPF unit float sensor detection  
(Not used)  
/SPFOPEN  
IN  
—
—
IN  
IN  
(Not used)  
POW  
IN  
P1IN14  
P1IN15  
P1OUT0  
P1OUT1  
GND  
—
(Not used)  
—
IN  
(Not used)  
HPSOL  
CPSOL  
OUT  
OUT  
POW  
OUT  
OUT  
OUT  
POW  
POW  
OUT  
OUT  
OUT  
OUT  
POW  
OUT  
OUT  
OUT  
OUT  
POW  
OUT  
OUT  
IN  
Manual feed tray pickup solenoid drive  
Copier cassette pickup solenoid drive  
H: Drive  
H: Drive  
P1OUT2  
P1OUT3  
P1OUT4  
GND  
PSRSOL  
PS roller solenoid drive  
(Not used)  
H: Drive  
—
—
(Not used)  
VCC  
P1OUT5  
P1OUT6  
P1OUT7  
P1OUT8  
GND  
—
(Not used)  
PSOL1  
FSOL1  
PSOL2  
Option cassette 1 pick up solenoid drive  
Option cassette 1 feed solenoid drive  
Option cassette 2 pickup solenoid drive  
H: Drive  
H: Drive  
H: Drive  
P1OUT9  
P1OUT10  
P1OUT11  
SELOUT0  
VCC  
FSOL2  
PSOL3  
FSOL3  
SELA  
Option cassette 2 feed solenoid drive  
Option cassette 3 pickup solenoid drive  
Option cassette 3 feed solenoid drive  
Option sensor select control  
H: Drive  
H: Drive  
H: Drive  
SELOUT1  
SELOUT2  
YIN0  
SELB  
SELC  
YSPF  
Y1  
Option sensor select control  
Option sensor select control  
SPF option related sensor  
YIN1  
IN  
Option cassette 1 related sensor detection  
GND  
POW  
IN  
YIN2  
Y2  
Y3  
HL  
CL  
Option cassette 2 related sensor detection  
Option cassette 3 related sensor detection  
Halogen lamp control  
YIN3  
IN  
P0OUT0  
P0OUT1  
VCC  
OUT  
OUT  
POW  
POW  
OUT  
OUT  
OUT  
POW  
OUT  
OUT  
OUT  
OUT  
POW  
OUT  
OUT  
OUT  
OUT  
OUT  
IN  
H: Lamp ON  
H: Lamp ON  
Copy lamp control  
GND  
P0OUT2  
P0OUT3  
P0OUT4  
GND  
PR  
MC  
TC  
Power relay control  
H: Relay ON  
Main charger voltage control  
Transfer charger voltage control  
H; Voltage ON  
H; Voltage ON  
P0OUT5  
P0OUT6  
P0OUT7  
PMC0TCLK  
VCC  
/GRIDL  
/BIAS  
Grid bias voltage control  
Developing bias voltage control  
APC circuit control  
"H: HIGH, L: LOW "  
L: Voltage ON  
APCSTT  
MIRCLK  
H: APC circuit ON  
Mirror motor clock output  
Mirror motor step count  
PMC0DREQB  
PMC1TCLK  
PMC1DREQB  
PMC2TCLK  
PMC2DREQB  
TEST  
—
SPFCLK  
—
(Not used)  
SPF motor step count  
(Not used)  
SPF motor clock output  
Shifter motor clock output  
SFTCLK  
—
Shifter motor step count  
(Not used)  
(Not used)  
0: Level fixing input  
1: Level fixing input  
0: Level fixing input  
TESTB  
TEST  
IN  
(Not used)  
IN  
(Not used)  
GND  
POW  
(Pin descriptions) IN: Input pin OUT: Output pin BIDIR: Bi-directional pin ODN: Open drain output pin TR1: 3-state output pin POW: Power pin  
13 – 10  
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AR-161  
Descriptions  
Pin No.  
180  
Pin name  
GND  
Signal name  
I/O  
Purpose  
POW  
POW  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
181  
VCC  
182  
PMC3TCLK  
PMC3DREQB  
PMC4TCLK  
PMC4DREQB  
DREQ0B  
LFTCLK  
—
Separator motor step count  
Separator motor clock output  
183  
(Not used)  
184  
—
(Not used)  
185  
—
(Not used)  
186  
/DREQ0  
/DREQ1  
"Mirror, SPF motor acceleration/reduction control"  
L: Request  
L: Request  
187  
DREQ1B  
"Shifter, separator motor acceleration/reduction  
control"  
188  
189  
190  
191  
192  
193  
194  
195  
196  
197  
198  
199  
200  
201  
202  
203  
204  
205  
206  
207  
208  
209  
210  
211  
212  
213  
214  
215  
216  
217  
218  
219  
220  
221  
222  
223  
224  
225  
226  
227  
228  
229  
230  
231  
232  
233  
234  
235  
236  
237  
238  
239  
240  
A16  
VCC  
A16  
IN  
POW  
IN  
System bus  
CS1B  
CSOUT10B  
CSOUT11B  
CS3B  
RDB  
/CS1  
/CS10  
/CS11  
/CS3  
System bus  
System bus  
System bus  
System bus  
System bus  
System bus  
System bus  
0: Select  
L: Select  
L: Select  
0: Select  
0: Read  
OUT  
OUT  
IN  
/RD  
IN  
HWRB  
LWRB  
GND  
A1  
/HWR  
/LWR  
IN  
0: Highlight  
0: Row write  
IN  
POW  
IN  
A1  
A2  
System bus  
System bus  
A2  
IN  
GND  
VCC  
POW  
POW  
IN  
A3  
A3  
A4  
A5  
System bus  
System bus  
System bus  
A4  
IN  
A5  
IN  
VCC  
POW  
IN  
A6  
A6  
A7  
System bus  
System bus  
A7  
IN  
GND  
RSTB  
GND  
CLK  
POW  
IN  
/RESET  
System reset  
System clock  
0: Reset  
POW  
IN  
CPUCLK  
GND  
D0  
POW  
D0  
D1  
D2  
BIDIR System bus  
BIDIR System bus  
BIDIR System bus  
POW  
D1  
D2  
GND  
D3  
D3  
D4  
D5  
BIDIR System bus  
BIDIR System bus  
BIDIR System bus  
POW  
D4  
D5  
VCC  
GND  
D6  
POW  
D6  
D7  
BIDIR System bus  
BIDIR System bus  
POW  
D7  
VCC  
D8  
D8  
D9  
BIDIR System bus  
BIDIR System bus  
BIDIR System bus  
BIDIR System bus  
BIDIR System bus  
BIDIR System bus  
BIDIR System bus  
POW  
D9  
D10  
D10  
D11  
D12  
D13  
D14  
D11  
D12  
D13  
D14  
GND  
D15  
D15  
BIDIR System bus  
PMC1POUT0  
PMC1POUT1  
PMC1POUT2  
PMC1POUT3  
DSCLK  
DSLED0  
VCC  
SPFDA  
SPFDB  
/SPFDA  
/SPFDB  
DSCLK  
LED0  
OUT  
OUT  
OUT  
OUT  
ODN  
OUT  
POW  
SPF motor phase A drive  
H: Drive  
H: Drive  
H: Drive  
H: Drive  
SPF motor phase B drive  
SPF motor phase /A drive  
SPF motor phase /B drive  
Document size sensor control  
2: Beam document size sensor control  
(Pin descriptions) IN: Input pin OUT: Output pin BIDIR: Bi-directional pin ODN: Open drain output pin TR1: 3-state output pin POW: Power pin  
13 – 11  
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AR-161  
(5) Reset circuit  
This circuit detects ON/OFF of power to control start/stop of each circuit. The 5V voltage of the main PWB is detected by the reset IC to generate  
the reset signal.  
When the power voltage reaches the specified level, the circuit operations are started. Before the power voltage falls below the specified level, the  
circuit operations are stopped to prevent against malfunctions.  
(6) Main motor drive circuit  
The main motor is driven by the MMD signal from ASIC. While the main motor is rotating, the MMD signal is driven to HIGH and passed through  
IC35 to the control circuit in the main motor to rotate the main motor. The /MMRDY signal is kept HIGH until the main motor speed reaches the  
specified rpm, and passed to the CPU.  
(7) Mirror motor circuit  
The mirror motor is a stepping motor, and it uses the IC29 and the constant current chopper control IC (SLA7027). For control, the CPU outputs the  
drive signal to the IC29 to drive the mirror motor with 1-2 phase excitement.  
13 – 12  
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AR-161  
(8) Toner supply motor drive circuit  
The IC31 is the motor control IC, which generates the pseudo AC waveform with the pulse signals (TM, TM-) outputted from ASIC, driving the toner  
supply motor.  
3. CCD PWB  
The CCD PWB is provided with the CCD (Charge-Coupled Device), the differential amplifier which amplifies image signals, and the AD convertor  
which converts the amplified image signals into digital signals.  
The DC power and the pulse supply pins necessary for operating the CCD image sensor are the power source (CD pin), GND (SS pin), shift pulse  
(SH pin), transfer pulse (φ 1 pin), (φ 2 pin), reset pulse (/RS pin), clamp pulse (/CP pin), and sampling (/SP pin).  
Photo data are stored in the light receiving element at the center of the CCD by the SH signal. Even number pixel data are sent to one of the two  
shift registers which are positioned at both ends of the light receiving element, and odd number pixel data are sent to the other shift register. The  
time interval between inputting two SH signals is called the photo accumulation time.  
The signals are transfered to the register, then to the shift register sequentially by transfer pulses φ 1 and φ 2 and to the floating capacitor section  
where electric signals are voltage-converted. Electric charges from the even number pixel shift register and the odd number pixel shift register are  
flowed to the floating capacitor section alternatively.  
The /RS signal is the reset signal of the CCD output signal. The CCD output is expressed as electric charges equivalently accumulated in the  
capacitor. Therefore, to take the CCD output data one pixel by one pixel, one output data must be cleared after it is outputted. The /RS signal is  
used for that operation.  
The /SP pulse signal is the peak hold signal of the signal voltage.  
The output signal from the CCD is amplified by about 4.7 times greater in the differential amplifier circuit in the CCD PWB.  
Differential amplification is made for the signal output (OS) and the compensation output (DOS).  
The amplified CCD signal output is sent to the clamp circuit. In the clamp circuit, the black level is clamped to 2V at the BCLK signal timing by the  
analog switch. The clamped voltage is maintained for one line by the coupling capacitor. The clamped analog signal is impedance-converted and  
inputted to the AD convertor.  
The analog signal inputted to the AD convertor is converted into 8bit digital data and passed to the PCU PWB.  
The machine employs the TCD1501C as the image sensor. The TCD1501C is the reduction type high sensitivity CCD linear sensor of one-output  
system. 5000 pixels of 7um x 7um are arranged in line to allow scanning of A3 document at 400dpi (16 lines/mm).  
13 – 13  
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AR-161  
[14] CIRCUIT DIAGRAM  
14 – 1  
14 – 2  
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AR-161  
MCU 1  
14 – 3  
14 – 4  
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AR-161  
MCU 2  
14 – 5  
14 – 6  
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AR-161  
MCU 3  
14 – 7  
14 – 8  
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AR-161  
MCU 4  
14 – 9  
14 – 10  
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AR-161  
MCU 5  
14 – 11  
14 – 12  
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AR-161  
MCU 6  
14 – 13  
14 – 14  
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AR-161  
MCU 7  
14 – 15  
14 – 16  
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AR-161  
MCU 8  
14 – 17  
14 – 18  
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AR-161  
MCU 9  
14 – 19  
14 – 20  
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AR-161  
OPERATION PWB1  
14 – 21  
14 – 22  
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AR-161  
OPERATION PWB2  
14 – 23  
14 – 24  
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AR-161  
OPERATION PWB3  
14 – 25  
14 – 26  
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AR-161  
ELECTRONIC SORT KEY PWB  
14 – 27  
14 – 28  
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AR-161  
[15] ACTUAL WIRING DIAGRAM  
ACTUAL WIRING DIAGRAM 1/3  
15 – 1  
15 – 2  
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ACTUAL WIRING DIAGRAM 2/3  
15 – 3  
15 – 4  
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AR-161  
ACTUAL WIRING DIAGRAM 3/3  
15 – 5  
15 – 6  
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AR-161  
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AR-161  
q
COPYRIGHT © 1998 BY SHARP CORPORATION  
All rights reserved.  
Printed in Japan.  
No part of this publication may be reproduced,  
stored in a retrieval system, or transmitted,  
in any form or by any means,  
electronic, mechanical, photocopying, recording, or otherwise,  
without prior written permission of the publisher.  
SHARP CORPORATION  
Printing & Reprographic Systems Group  
Quality & Reliability Control Center  
Yamatokoriyama, Nara 639-1186, Japan  
1998 December Printed in Japan N  
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