Online Data Validator User’s Manual
™
™
SL5000r and T5000r
RFID Smart Label and Thermal Printers
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r
r
SL5000 and T5000
RFID Smart Label and Thermal Printers
Online Data Validator User’s Manual
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Software License Agreement
CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BEFORE USING THIS PRINTER.
USING THIS PRINTER INDICATES YOUR ACCEPTANCE OF THESE TERMS AND CONDITIONS. IF YOU
DO NOT AGREE TO THESE TERMS AND CONDITIONS, PROMPTLY RETURN THE PRINTER AND ALL
ACCOMPANYING HARDWARE AND WRITTEN MATERIALS TO THE PLACE YOU OBTAINED THEM, AND
YOUR MONEY WILL BE REFUNDED.
Definitions.
“Software” shall mean the digitally encoded, machine-readable data and program. The term “Software
Product” includes the Software resident in the printer and its documentation. The Software Product is licensed
(not sold) to you, and Printronix, Inc. either owns or licenses from other vendors who own, all copyright, trade
secret, patent and other proprietary rights in the Software Product.
License.
1. Authorized Use. You agree to accept a non-exclusive license to use the Software resident in the printer
solely for your own customary business or personal purposes.
2.
Restrictions.
a. To protect the proprietary rights of Printronix, Inc., you agree to maintain the Software Product and
other proprietary information concerning the typefaces in strict confidence.
b. You agree not to duplicate or copy the Software Product.
c. You shall not sublicense, sell, lease, or otherwise transfer all or any portion of the Software Product
separate from the printer, without the prior written consent of Printronix, Inc.
d. You may not modify or prepare derivative works of the Software Product.
e. You may not transmit the Software Product over a network, by telephone, or electronically using any
means; or reverse engineer, decompile or disassemble the Software.
f.
You agree to keep confidential and use your best efforts to prevent and protect the contents of the
Software Product from unauthorized disclosure or use.
3. Transfer. You may transfer the Software Product with the printer, but only if the recipient agrees to accept
the terms and conditions of this Agreement. Your license is automatically terminated if you transfer the
Software Product and printer.
Limited Software Product Warranty
Printronix, Inc. warrants that for ninety (90) days after delivery, the Software will perform in accordance with
specifications published by Printronix, Inc. Printronix, Inc. does not warrant that the Software is free from all
bugs, errors and omissions.
Remedy
Your exclusive remedy and the sole liability of Printronix, Inc. in connection with the Software is replacement
of defective software with a copy of the same version and revision level.
Disclaimer of Warranties and Limitation of Remedies
1. THE PARTIES AGREE THAT ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY ARE
EXCLUDED.
Printronix, Inc. does not warrant that the functions contained in the Software will meet your requirements
or that the operation of the Software will be uninterrupted or error free.
Printronix, Inc. reserves the right to make changes and/or improvements in the Software without notice at
any time.
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2. IN NO EVENT WILL PRINTRONIX, INC. BE LIABLE FOR LOST PROFITS, LOST DATA, BUSINESS
INTERRUPTIONS, OR ANY OTHER DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL
DAMAGES ARISING OUT OF THE USE OF OR INABILITY TO USE THIS PRODUCT, EVEN IF
PRINTRONIX, INC. HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, OR ANY
DAMAGES CAUSED BY THE ABUSE OR MANIPULATION OF THE SOFTWARE. SOME STATES DO
NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR
INCIDENTAL DAMAGES, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
3. Printronix, Inc. will not be liable for any loss or damage caused by delay in furnishing a Software Product
or any other performance under this Agreement.
4. Our entire liability and your exclusive remedies for our liability of any kind (including liability for
negligence except liability for personal injury caused solely by our negligence) for the Software Product
covered by this Agreement and all other performance or nonperformance by us under or related to this
Agreement are limited to the remedies specified by this Agreement.
5. California law governs this Agreement.
Termination of License Agreement
This License shall continue until terminated. This license may be terminated by agreement between you and
Printronix, Inc. or by Printronix, Inc. if you fail to comply with the terms of this License and such failure is not
corrected within thirty (30) days after notice. When this License is terminated, you shall return to the place you
obtained them, the printer and all copies of the Software and documentation.
U.S. Government Restricted Rights
Use, duplication or disclosure by the Government is subject to restrictions as set forth in the Rights in
Technical Data and Computer Software clause at FAR 242.227-7013, subdivision (b) (3) (ii) or subparagraph
(c) (1) (ii), as appropriate. Further use, duplication or disclosure is subject to restrictions applicable to
restricted rights software as set forth in FAR 52.227-19 (c) (2).
Acknowledgement of Terms and Conditions
YOU ACKNOWLEDGE THAT YOU HAVE READ THIS AGREEMENT, UNDERSTAND IT, AND AGREE TO
BE BOUND BY ITS TERMS AND CONDITIONS. NEITHER PARTY SHALL BE BOUND BY ANY
STATEMENT OR REPRESENTATION NOT CONTAINED IN THIS AGREEMENT. NO CHANGE IN THIS
AGREEMENT IS EFFECTIVE UNLESS WRITTEN AND SIGNED BY PROPERLY AUTHORIZED
REPRESENTATIVES OF EACH PARTY. BY USING THIS PRINTER, YOU AGREE TO ACCEPT THE
TERMS AND CONDITIONS OF THIS AGREEMENT.
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Communication Notices
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
•
•
•
•
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Unauthorized changes or modifications could void the user’s authority to operate the equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)
this device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Any change or modification to this product voids the user’s authority to operate it per FCC Part 15 Subpart A
Section 15.21 regulations.
This product contains an intentional radiator with the following parameters:
Operating Frequency: 902 to 928 MHz
Typical RF Power: 25 to 100 milliwatts (SL5x04 MP) or 25 to 205 milliwatts (SL5x04 C1)
Maximum RF Power: 1 Watt under abnormal conditions
Printronix SL5000r and T5000r
Tested To Comply
With FCC Standards
FOR HOME OR OFFICE USE
Canada
This Class B digital apparatus complies with Canadian ICES-003 and RSS 210.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this
device must accept any interference, including interference that may cause undesired operation of the device.
This device has been designed to operate with the antennas listed below, and having a maximum gain of
–18 dBi. Antennas not included in this list or having a gain greater than –18 dBi dB are strictly prohibited for
use with this device. The required antenna impedance is 50 ohms.
To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that
the equivalent isotropically radiated power (e.i.r.p.) is not more than that permitted for successful
communication.
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CE Notice (European Union)
Marking by the CE symbol indicates compliance of this Printronix system to the EMC Directive and the Low
Voltage Directive of the European Union. Such marking is indicative that this Printronix system meets the
following technical standards:
•
EN 300 220-1 (2000), Electromagnetic Compatibility and Radio Spectrum Matters; Short Range Devices;
Radio equipment to be used in the 25 MHz to 1000 MHz frequency range with power levels ranging up to
500 mW.
•
•
•
EN 55022 — “Limits and Methods of Measurement of Radio Interference Characteristics of Information
Technology Equipment.”
EN 50082-1: 1992 — “Electromagnetic compatibility—Generic immunity standard Part 1: Residential,
commercial, and light industry.”
EN 60950 — “Safety of Information Technology Equipment.”
This printer is a Class B product for use in a typical Class B domestic environment.
CE Symbol
Taiwan
Lithium Battery Warning
The controller board contains a lithium battery sealed inside the real-time clock chip. Do not disassemble the
chip to replace the battery. Do not dispose of the chip by incineration. Failure to comply may cause the battery
to explode. Contact your local waste agency for the correct disposal procedure.
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Printronix makes no representations or warranties of any kind regarding this material, including, but not limited
to, implied warranties of merchantability and fitness for a particular purpose. Printronix shall not be held
responsible for errors contained herein or any omissions from this material or for any damages, whether
direct, indirect, incidental or consequential, in connection with the furnishing, distribution, performance or use
of this material. The information in this manual is subject to change without notice.
This document contains proprietary information protected by copyright. No part of this document may be
reproduced, copied, translated or incorporated in any other material in any form or by any means, whether
manual, graphic, electronic, mechanical or otherwise, without the prior written consent of Printronix.
COPYRIGHT © 2005, 2006 PRINTRONIX, INC. All rights reserved.
Trademark Acknowledgements
Printronix, LinePrinter Plus, IGP, and PGL are registered trademarks of Printronix, Inc.
Code V is a trademark of Quality Micro Systems, Inc.
IPDS is a trademark of International Business Machines Corporation.
SL5000r and T5000r are trademarks of Printronix, Inc.
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Table of Contents
9
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Table of Contents
10
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1
Installation
Instructions
Overview
The online data validator (validator) is an external bar code
scanning device attached above the paper exit of the printer. When
activated, it scans the printed output looking for bar codes. When it
finds a bar code, it determines what type of bar code it is and
monitors the bar code quality as it passes through the scan area.
After the entire bar code has passed under the scanning beam, the
validator grades the bar code and sends a report to the printer. How
the printer responds is determined by the validator settings,
explained in “Configuring The Validator” on page 44.
Operational Parameters
The design parameters of the validator are as follows:
•
The validator can track the performance of up to four horizontal
bar codes at one time.
•
The validator requires a minimum distance of 1/2 inch or 20
times the minimum element width (x-dimension), whichever is
greater, between bar codes.
•
The validator recognizes the following linear, picket fence bar
codes: Codabar, Code 39, Code 93, Code 128, Interleaved 2 of
5, and UPC/EAN.
11
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Chapter 1 Overview
•
The validator can also evaluate PDF 417 bar codes. For PDF
417 Limited, the validator works best with security level 5 or
higher, using the current default printer settings for Defects
Percentage, Percent Decode, and Decodeability. For lower
security levels, lower the Defects Percentage to 5% to enable
checking for bar code damage.
•
•
Stacked, 2D, and vertical (ladder) bar codes are not supported.
Bar codes must have a minimum x-dimension of 10 mil
(0.010 inch) to be recognized by the full width of the scanning
beam. The validator can recognize bar x-dimension as narrow
as 6.6 mil (0.0066 inch) for 300 dpi printers, and 10 mil
(0.010 inch) for 203 dpi printers. The validator cannot recognize
x-dimensions smaller than 6.6 mil (0.0066 inch) or larger than
40 mil (0.040 inch).
each printer size of a 300 dpi printer.
Table 1: Minimum X-Dimension and Beam Width for
a 300 dpi Printer
Minimum
X-Dimension
Printer Size
Beam Width
4 inch
6 inch
8 inch
4.5 inches
6.5 inches
8.5 inches
6.6 mil
10 mil
13 mil
12
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Tools And Materials You Will Need
•
•
•
SL5000r/T5000r User’s Manual
Static wrist strap*
2.5 mm hex key*
Parts List
•
•
•
•
•
•
•
•
•
•
3 mm hex key
Validator/Upper bracket
Lower bracket
Grounding wire
Overlays
Bar code calibration card
Ferrite*
Cable assembly*
Wire saddle*
Grommet*
* Only for a field installation
13
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Chapter 1 Safety Notices
Safety Notices
The validator is a Class 2 laser product. The following notices apply
at all times when the printer is powered on and the validator is
active:
WARNING
WARNING
Class 2 laser light. Do not stare into the laser beam or a
reflected image of the laser beam.
Using controls, making adjustments, or performing
procedures other than those specified herein may result in
hazardous radiation exposure.
Note: This is the laser exit window.
Figure 1. Safety Warnings
14
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Prepare The Printer
Installation and Removal
This section describes how to install the validator. To remove the
validator, reverse the steps of this procedure.
Prepare The Printer
1. Set the printer power switch to O (Off).
WARNING
Always unplug the printer power cord from the printer or
power outlet before doing any installation procedure. Failure
to remove power could result in injury to you and damage the
equipment. You will be instructed when to apply power.
2. Unplug the printer power cord from the printer or the AC power
source.
Factory Installation
If your printer has a factory installed validator, the ferrite, cable, wire
saddle, and grommet have already been installed. Go to “Install
Field Installation
If you are doing a field installation, you must install the ferrite, cable,
15
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Chapter 1 Installation and Removal
Install The Ferrite
1. Loosen the two captive screws securing the top of the frame
2. Tilt the frame side cover back from the top and lift it until the
tabs along the lower edge disengage from the slots in the
printer frame.
Captive Screw (2)
Frame Side Cover
Figure 2. Removing the Frame Side Cover
16
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Install The Ferrite
Power/DataCable
Second Wrap
Ferrite
RJ-11 Connector
(to validator)
20.0 ± 0.5
inches
Wide P10 Connector
(to controller board)
Power/DataCable
First Wrap
Figure 3. Wrapping the Power/Data Cable Around the Ferrite
3. Using the RJ-11 connector end of the power/data cable, insert
4. Wrap the power/data cable around the ferrite twice.
5. Adjust the position of the ferrite so that the length from the
ferrite to the RJ-11 connector is 20 ± 0.5 inches.
17
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Install The Ferrite
Wire Saddle
RJ-11 Connector
(to validator)
Ferrite
Frame
Opening
Figure 5. Inserting the Power/Data Cable Through the Hole in the Frame Wall
7. Raise the media cover and remove the solid grommet from the
frame opening.
8. On the electronics side of the printer, push the RJ-11 connector
end of the power/data cable through the frame opening.
9. Route the power/data cable through the wire saddle.
19
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Chapter 1 Installation and Removal
Split
Grommet
RJ-11
Connector
InsertedSplit
Grommet
(media side)
Power/Data Cable
(approximately
17 inches exposed)
Figure 6. Adding the Grommet to the Power/Data Cable
10. On the media side of the printer, slide the split grommet onto
the power/data cable and insert it into the frame opening.
11. Inspect the power/data cable to ensure approximately
17 inches of cable is exposed from the grommet to connect it to
the validator.
NOTE: You will plug the power/data cable into the validator later.
20
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Install The Ferrite
J10
Power/Data Cable
Wire Saddle
Ferrite
Upper
DC Motor
Figure 7. Position the Ferrite
12. On the electronics side of the printer, position the ferrite on top
13. Route the power/data cable through the wire saddle as shown
in Figure 7.
14. Plug the wide P10 connector end of the power/data cable into
the J10 receptacle on the controller board.
21
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Chapter 1 Installation and Removal
Install The Brackets
Lower
Bracket
M4x10mm
Screw (3)
Figure 8. Installing the Lower Bracket
1. Using three of the four M4x10mm screws, install the lower
NOTE: You will use the fourth screw later in this procedure.
22
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Install The Brackets
A
Hash
Marks
A
Validator
(Rear View)
Alignment
Screw
4 in. 6 in. 8 in.
Printer
Lower
Bracket
Validator
(Front View)
Upper
Bracket
Inside
Adjustment
Screw
Outside
Adjustment
Screw
Figure 9. Installing the Validator/Upper Bracket Unit onto the Lower Bracket
2. Face the front of the printer while installing the validator/upper
bracket unit.
3. Loosen the outside adjustment screw and remove the inside
adjustment screw on the bottom of the validator.
4. Slide the validator/upper bracket unit onto the lower bracket and
align the hash marks with the alignment screw accordingly.
mark for each printer model size. The printer model size is
also inscribed on the lower bracket.
5. When the unit is positioned correctly, tighten the outside
adjustment screw on the validator to lock the unit into place.
23
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Chapter 1 Installation and Removal
Attach The Grounding Wire And Power/Data Cable
Power/Data Cable
(Long Connector)
UpperBracket
Screw (3)
Cable
Channel
Bracket Tab
A
Grommet
Grounding
Wire
Validator
(Front View)
A
Bracket Mounting Screw
GroundingWire
Slack
Inside
Adjustment
Screw
Figure 10. Attaching the Grounding Wire and Power/Data Cable
1. Attach one end of the grounding wire to the validator using the
inside adjustment screw as shown in Figure 10.
2. Attach the other end of the grounding wire to the lower bracket
3. Push any excess grounding wire slack through the grommet.
24
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Attach The Grounding Wire And Power/Data Cable
4. Loosen the three upper bracket screws and route the
power/data cable through the cable channel in the upper
bracket, as shown in Figure 10.
5. Plug the RJ-11 connector end of the power/data cable into the
validator.
6. Route the power/data cable behind the bracket tab as shown in
NOTE: If necessary, loosen the bracket mounting screws enough
to slip the power/data cable behind the bracket tab, then
retighten the bracket mounting screws.
7. Pull the cable to minimize the slack behind the lower bracket.
Push any excess slack through the grommet.
8. Tighten the three upper bracket screws.
Restore The Printer To Operation
1. Lower the media cover.
2. Engage the tabs on the bottom of the frame side cover in the
slots in the printer frame.
3. Rotate the cover into position.
5. Plug the AC power cord into the printer and the power source.
6. Set the printer power switch to | (On).
25
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Chapter 1 Enable The Validator
Enable The Validator
NOTE: If you make any changes to the default configuration menu
items, you will be prompted to save the configuration.
See “Auto Save Configuration” in the Quick Setup Guide.
Software can automatically detect an installed validator when the
printer is powered up. If the printer is powered up with Power-Up
Config. set to Factory, the VALIDATOR menu will be available and
Validator Funct. is set to Enable in the QUICK SETUP and
VALIDATOR menus.
If Power-Up Config. is not set to Factory, the VALIDATOR menu
appears, but Validator Funct. is set to Disable. Enable Validator
Funct. by completing the following steps. (This is a one-time setting
once you save the configuration.)
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key. (This key combination can be changed by the user. Use
the customer’s key combination if necessary.)
.
.
3. If necessary, press
until VALIDATOR displays.
.
4. Press ↓ until Validator Funct. displays.
5. Press + or – until the Enable displays.
6. Press ↵ to enable the validator. An asterisk (*) should appear
after Enable. Once enabled, the printer will command the
validator to begin scanning and reporting errors, and the
counters will be incremented.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
26
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Continuous, Tear-Off, and Tear-Off Strip
Adjust The Scanning Beam
NOTE: Make sure the printer is on and the scanning beam is on. If
the beam is off, press the RESET button for less than 2
seconds to turn on the beam.
Continuous, Tear-Off, and Tear-Off Strip
When the validator is first installed, the scanning beam may need to
be aligned with the two notches on the sides of the tear bar, as
properly aligned it will line up with the two notches.
A
Scanning Beam
Notch in Tear Bar
A
Figure 11. Aligning the Scanning Beam: Continuous, Tear-Off, and Tear-Off Strip
Media Handling Modes Only
27
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Chapter 1 Adjust The Scanning Beam
Peel-Off Media Handling Mode
If your printer is configured for Peel-Off Media Handling mode (use
of optional internal rewinder), you may need to align the beam
further behind the notches (0.20 to 0.30 inches [5.08 mm to
7.62 mm] from the front edge of the tear bar) so that the peeled
label remains on the tear bar and the trailing edge of the last bar
code can still pass completely under the scanning beam. See
Aligning the scanning beam to any position other than the notches
on the tear bar should only be done if the last printed bar code
image does not clear the beam when the label is at the peel-off
position after printing. In addition, the distance the beam moves
back from the tear bar edge must correspond to a distance from the
leading edge of the label that does not have bar code printing. For
example, aligning the beam 0.20 inches from the front edge of the
tear bar requires that 0.20 inches of the leading edge of the label
must not have bar code images.
0.30 inches
(7.62 mm)
Figure 12. Aligning the Scanning Beam: Peel-Off Media Handling Mode Only
28
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Cut Media Handling Mode
Cut Media Handling Mode
If your printer has a cutter installed and is configured for Cut Media
Handling Mode, align the beam with the notches at each side of the
opening on the hinged upper lid, as shown in Detail A of Figure 13.
A
Scanning Beam
A
Notch in Tear Bar/
Cutter
Figure 13. Aligning the Scanning Beam: Cutter Installed
29
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Chapter 1 Adjust The Scanning Beam
Top Left Screw
Bottom Left Screw
Bottom Right Screw
Figure 14. Scanning Beam Adjustment Screws
Figure 14 shows the screws used to adjust the parallelism and
position of the scanning beam. The positions of the screws assume
that you are in front of the validator unit and facing the printer. The
following instructions and illustrations show how to adjust the
validator according to how the beam appears.
1. Power the printer on and make sure the scanning beam is on. If
the beam is off, press the RESET button for less than 2
seconds to turn on the scanning beam.
2. Use the Allen key provided to adjust the screws.
NOTE: You may have to loosen all three screws and allow the
rubber spacers to expand (relax) before making any
adjustments.
30
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Cut Media Handling Mode
Correct alignment of the
scanning beam. The beam lines
up with the end notches and is
parallel to the long edge of the
tear bar.
Tighten the top left screw to
move the scanning beam
downward. If the screw is
already tight, loosen both bottom
screws to lower the beam.
Tighten both bottom screws to
move the scanning beam
upward. If they are already tight,
loosen the top left screw to move
the beam upward.
Loosen the bottom right screw to
rotate the scanning beam
clockwise. If it is already loose,
tighten the bottom left screw.
Loosen the bottom left screw to
rotate the scanning beam
counterclockwise. If it is already
loose, tighten the bottom right
screw.
31
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Chapter 1 Adjust The Scanning Beam
Summary Of Scanning Beam Adjustment
To Move Beam
Down
To Move Beam
Up
To Rotate Beam
Clockwise
To Rotate Beam
Counterclockwise
Tighten top left
screw
Tighten both bottom
screws
Loosen bottom
right screw
Loosen bottom left
screw
or
or
or
or
Loosen both
bottom screws
Loosen top left screw Tighten bottom
left screw
Tighten bottom
right screw
NOTE: If the printer does not have a tear bar with notches at the
ends, adjust the scanning beam so that the center of the
beam is approximately 0.06 inches (1.52 mm) from the
lower edge as shown in Figure 15.
0.06 inches
(1.52 mm)
Figure 15. Adjusting the Center of the Scanning Beam
32
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Cut Media Handling Mode
Shifting The Scanning Beam
This option enables you to shift the scanning beam horizontally to
the left or right. The left edge of the beam should be approximately
0.13 inches (3.3 mm) past the left edge of the tear bar. After you set
this value, save it as part of the configuration for future use.
The value range is from –99 to 99. The default is 0. Lower values
will move the beam to the left.
NOTE: You must set Admin User to Enable in the PRINTER
CONTROL menu to access the Beam Shift option.
(Refer to the User’s Manual.)
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until Validator Funct. displays.
5. Make sure Enable is selected.
6. Press ↓ until Beam Shift displays.
7. Press + or – to scroll through the values: –99 to 99. The default
is 0. Lower values will move the beam to the left. Press ↵ to
accept the shift value.
Keep selecting the new value until the beam width is at the
desired position. The left edge of beam should be
approximately 0.13 inches (3.3 mm) from the left edge of the
tear bar.
8. Save the configuration for future use.
33
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Chapter 1 Calibration
Calibration
WARNING
Class 2 laser light. Do not stare into the laser beam or a
reflected image of the laser beam.
WARNING
Using controls, making adjustments, or performing
procedures other than those specified herein may result in
hazardous radiation exposure.
The validator should be calibrated when it is first installed or when
the printer displays Calibration warning. A special calibration bar
code card is included with the validator package.
1. Make sure the printer is on and the scanning beam is on. If the
beam is off, press the RESET button for less than 2 seconds to
turn on the beam.
Table 2. RESET Button Settings
Time RESET Button Is Depressed
Result
Less than 2 seconds
Turns on the scanning beam
More than 4 but less than 6 seconds Validator goes into calibration mode
More than 6 seconds
Resets validator to the last good calibration
settings and turns off the scanning beam
2. Raise the media cover. Open the pivoting deck by rotating the
deck lock lever fully clockwise. The pivoting deck will swing
upward, exposing the bottom of the printhead assembly.
3. If the printer has the cutter option, put the cutter in the open
(down) position.
4. Remove the calibration bar code card from its protective sleeve
and slide it into the open printhead and under the scanning
beam. (Figure 16.)
5. Make sure the bar code is under the scanning beam and the
CALIBRATION light is on.
6. Press and hold the RESET button on the validator until the
CALIBRATION light begins flashing.
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Cut Media Handling Mode
CALIBRATION Light
RESET Button
DeckLock
Lever
Calibration Bar Code Card
Figure 16. Calibrating the Validator
7. The scanning beam should turn off for a few seconds then back
on, and the CALIBRATION light should turn off. This indicates a
successful calibration.
NOTE: If the scanning beam does not turn back on and/or the
calibration light is still on or flashing, the calibration has
the calibration procedure or to reset the validator settings
back to factory default.
8. Once you have a successful calibration, remove the calibration
bar code card.
9. Close the pivoting deck and rotate the deck lock lever fully
counterclockwise.
10. Close the media cover.
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Chapter 1 Calibration
11. Power the printer off, wait a few seconds, then power the
printer on.
If the calibration was successful, the scanning beam is on and
the CALIBRATION light is off.
If the calibration was not successful, the scanning beam
remains on and the CALIBRATION light stays lit without
flashing. Repeat the calibration procedure. If repeated attempts
fail, check the room for excessive ambient light, including direct
sunlight. You may need to move the printer to a darker area of
the room.
NOTE: In some cases the validator can detect and indicate to the
printer that calibration is required. See “Calibration
warning” in Table 6, page 86.
Bar Code Validation Demo Page
The bar code validation demo page allows you to test or
demonstrate the validator operation without a host computer. This
page contains some text and two good bar code symbologies: one
in Code 39, the other in Code 128.
To print and validate the bar code validation demo page:
1. Load the factory default configuration. (Refer to the User’s
Manual.)
2. In the VALIDATOR menu, set Validator Funct. to Enable.
3. In the CALIBRATE CTRL menu, set Gap/Mark Sensing to Gap.
4. Load media.
5. In the CALIBRATE CTRL menu, run Auto Calibrate for proper
gap sensing.
6. The printer must be offline. If the printer is in Menu mode, press
the PAUSE key to take the printer offline.
7. Press the TEST PRINT key to enter the Test Print menu.
Continue to press TEST PRINT until Barcode Demo displays.
8. Press the ↵ key to print and validate the demo page. (If the ↵
key is locked, unlock it by pressing ↓ and ↵ at the same time.)
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Bar Code Validation Demo Page
9. The printer will print one demo page containing two good bar
codes.
NOTE: In the QUICK SETUP or MEDIA CONTROL menu, if Label
Length is set between 0.5 and 1.0 inches, only one good
bar code will print.
If Label Length is less than 0.5 inches and Label Width is
less than 2.0 inches, no demo page will print.
10. To demonstrate a bad bar code reading, block the scanning
beam with an opaque object while the bar code moves under
the beam. When you block the beam, the validator will generate
a reading error and will perform a default error action. The
default setting for the Validator Action in the VALIDATOR menu
is Retry Form.
11. Press PAUSE to take the printer offline.
12. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to put the printer back online.
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Chapter 1 Calibration
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2
Operation
Basic Validator Setup
Unit Positioning
The validator must be positioned so that the scanning beam covers
the entire area containing the bar codes, including the area
required for quiet zones. The validator can be moved along the
lower bracket and aligned with any of the inscribed hash marks,
depending on the size of the labels printed and the positioning of
the bar codes on those labels. In addition, the beam width can be
moved horizontally to the left or right (see “Shifting The Scanning
If a bar code is completely outside of the scanning area, straddles
an edge, or does not pass completely under the scanning beam,
the validator interprets it as a missing bar code and generates error
conditions.
Validator Front Panel
The front panel of the validator has the following controls and
indicators:
•
•
POWER: Indicates the validator is at full power.
CALIBRATION: Flashes when the validator is in calibration
•
•
•
READ: Flashes when the validator is reading a bar code.
1 and 2: Used for maintenance purposes only.
RESET: This button is used in the calibration procedure and
possible troubleshooting situations. Except in these specific
circumstances, the RESET button should not be used.
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Chapter 2 Basic Validator Setup
Table 3. RESET Button Settings
Time RESET Button Is Depressed
Result
Less than 2 seconds
Turns on the scanning beam
More than 4 but less than 6 seconds Validator goes into calibration mode
More than 6 seconds
Resets validator to the last good calibration
settings and turns off the scanning beam
CAUTION
CAUTION
Do not lift the printer by the validator unit or by the lower
bracket.
The validator contains sensitive electronic equipment. Do not
jar or drop the unit.
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VALIDATOR Menu
VALIDATOR Menu
VALIDATOR
Validator Funct.
Enable*
Disable*
1 second*
Disable
Auto Report
Enable
Auto Report Time
1 to 10 seconds
Clear Data
1
Good Barcodes
1
Good Forms
Notes:
1
Overstrike Forms
* = Default
Italicized items appear only when
Admin User is set to Enable (in the
PRINTER CONTROL menu).
1
Average BWD
1
Display item only
1
Last BWD
Telemetry Path
Disabled*
Network Port
Telemetry Data
Short Report*
Auto*
Full Report
Validation Mode
Number of Codes
1 to 99
Validator Action
Retry Form*
Stop & Retry
Grade&Report
Stop
Rescan Form
Overstrike
Rescan&Retry
Enable*
Rescan&Stop
Disable
Quiet Zones
(cont. on next page)
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Chapter 2 Basic Validator Setup
VALIDATOR
(cont. from previous page)
Min. Code Height
0.30 inches*
0.13 to 1.00 inches
0.15 to 1.00 inches
Min. Code Gap
0.30 inches*
Skip Labels
Minimum*
Maximum
F/W Revision
1
Version: xxxx
Overstrike Style
Grid*
Grey
Checkerboard
Error Type Msg
I2of5 Checksum
Disable*
Enable
Num Retry
5*
3
4
Num Rescan
1*
1 to 5
Max Retry Action
Dump Form*
37%*
Keep Form
30% to 90%
0% to 99%
0% to 100%
0.0 to 4.0
Decodeability
Percent Decode
60%*
Notes:
* = Default
Defects
20%*
Italicized items appear
only when Admin User
is set to Enable (in the
PRINTER CONTROL
menu).
Overall Grade
0.5*
Modulation
1
50%*
0% to 100%
0% to 100%
Display item only.
EC Min
15%*
(cont. on next page)
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VALIDATOR Menu
VALIDATOR
(cont. from previous page)
Rmin
50%*
30%*
0% to 100%
0% to 100%
Symbol Contrast
Gain
1 to 255
1 to 255
70*
Offset
SN Threshold
5 to 199
Scan Report
Scan Profile
Profile H Mag
1*
1 to 4
Print Settings
Scanner Settings
2
3
Default 4xx, Default 6yy, or Default 8zz*
feature files
Beam Width
4
1800, 2550, or 3100*
250 to 3100
Beam Shift
0*
–99 to 99
Notes:
* = Default
Italicized items appear only when Admin User is set to Enable (in the PRINTER CONTROL menu).
2
Depends on the printer model: 4, 6, and 8 inch printers respectively. xx, yy, zz = file revision
numbers.
3
Appears only if feature files have been downloaded to the printer. Up to seven files can appear.
4
Depends on the printer model: 4, 6, and 8 inch printers respectively.
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Chapter 2 Configuring The Validator
Configuring The Validator
Setting validator options is done through the printer configuration
menu. The validator comes equipped with a default setting for each
configuration option, and it works without having to change any of
these options. However, in some cases it is necessary to adjust
these options, which are described below.
NOTE: If you make any changes to the default configuration menu
items, you will be prompted to save the configuration.
See “Auto Save Configuration” in the Quick Setup Guide.
Enabling And Disabling The Validator
Software can automatically detect an installed validator when the
printer is powered up. If the printer is powered up with Power-Up
Config. set to Factory, the VALIDATOR menu will be available and
Validator Funct. is set to Enable in the QUICK SETUP and
VALIDATOR menus.
If Power-Up Config. is not set to Factory, the VALIDATOR menu
will be available, but Validator Funct. is set to Disable. Enable
Validator Funct. by completing the following steps. (This is a one-
time setting once you save the configuration.)
IMPORTANT
Do not disable or enable the validator with data in the buffer.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until Validator Funct. displays.
5. Press + or – until Enable displays.
6. Press ↵ to enable the validator. An asterisk (*) should appear
after Enable. Once enabled, the printer will command the
validator to begin scanning and reporting errors, and the
counters will be incremented.
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Validator Reporting
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
NOTE: To disable the validator once it has been enabled, repeat
steps 1 to 8 and select Disable in step 5.
RFID Encoder
If you have an RFID encoder but are not encoding RFID tags, make
sure RFID Reader is set to Disable (in the RFID CONTROL menu),
otherwise the validation process will slow down considerably as the
RFID encoder attempts to scan for non-existent RFID tags.
Validator Reporting
After any completed print job, you can request a report from the
printer which describes the validation statistics since the printer was
turned on, or since the last data reset (for information on resetting
Requesting A Validator Report
This procedure prints a summarized validator report. (This report
also includes RFID data if the printer has an RFID encoder.)
1. Press the PAUSE key to take the printer offline.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. Press TEST PRINT. Printer Tests displays.
4. Press + until RFID/ODV Report displays.
5. Press ↵ to print the report.
6. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
7. Press PAUSE again to put the printer online.
Setting Auto Report
This function allows you to disable or enable an automatic validator
report printout after a batch job. The default is Disable.
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Chapter 2 Configuring The Validator
You can determine the end of a batch job in two ways:
•
•
by using an Execute command, or
by enabling the Auto Report Time (see below).
To enable Auto Report:
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until Auto Report displays.
5. Press + or – to scroll through the choices: Enable or Disable.
The default is Disable.
6. When Enable displays, press ↵ to activate Auto Report.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
Setting Auto Report Time
This function allows you to set, in seconds, the timeout for the Auto
Report. If the printer is idle for the set number of seconds, an Auto
Report will be generated if Auto Report is set to Enable (see
“Setting Auto Report” on page 45.) The default is 1 second.
To set the Auto Report Time:
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until Auto Report Time displays.
5. Press + or – to scroll through the choices: 1 to 10 seconds. The
default is 1 second.
6. When the desired number of seconds displays, press ↵ to set
the Auto Report Time.
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Validator Reporting
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
Resetting Validator Data
The validator reports on all bar codes it detects since the last data
reset. For example, you print a large batch of labels with bar codes
and then print a validator report. Then you print another batch of
labels with bar codes and print another report. The report will
contain information on both batch jobs. However, if you reset the
validator data between batch jobs, the second report will only
contain information on the second batch job.
To reset Validator Data:
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until Clear Data displays.
5. Press ↵ to clear validator data.
6. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
7. Press PAUSE again to put the printer online.
Defining The Data Output Destination (Telemetry
Path)
You may want to send a streaming flow of validation data to an
external device during the print job. The default is Disabled. Follow
the procedure below to select the data output destination.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until Telemetry Path displays.
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Chapter 2 Configuring The Validator
5. Press + or – to cycle through the choices:
•
Disabled. Default setting. The validator does not send any
data to an external device.
•
Network Port. The printer outputs the bar code analysis
and underlying data from the validator to a device
connected to the network port so the validator data can be
seen and analyzed with the optional remote management
software.
6. When your selection displays, press ↵ to activate it. All future
reports are output to your selection.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
Selecting The Type Of Report For the
Data Output Destination (Telemetry Data)
By default, the validator sends the Short Report to the selected data
output destination, but there are two other report options available:
Full Report and Validation Mode.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until Telemetry Data displays.
5. Press + or – to cycle through the choices:
•
Short Report. Default setting. Provides the encoded failure
cause or pass indication and the bar width deviation,
shown as a percentage.
•
•
Full Report. Provides a completed report of all the data
captured by the validator.
Validation Mode. Provides the same data as the Short
Report, but adds the actual bar code data read.
6. When your selection displays, press ↵ to activate it.
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Validator Statistics
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
Validator Statistics
The validator displays a number of statistics directly on the printer
LCD, without having to print a report. To view any of the statistics:
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ to scroll through the following statistics on the printer
display:
•
•
•
Good Barcodes: The number of bar code reports sent
from the validator since the last Clear Data command.
Good Forms: The number of good (non-overstruck) forms
printed since the last Clear Data command.
Overstrike Forms: The number of forms containing a bar
code that fell below the minimum acceptable level since the
last Clear Data command.
•
•
Average BWD: The average of all Bar Width Deviations
reported since the last Clear Data command, shown as a
percentage.
Last BWD: The Bar Width Deviation included in the most
recent report received from the validator, shown as a
percentage.
NOTE: A bar code’s Bar Width Deviation is determined by
comparing the bar width the validator expects to the bar
width that is actually printed. For example, if the bar width is
printed exactly as the validator expects, the BWD is 0%.
However, if the bar width as printed is 25% wider or narrower
than the validator expects it to be, it reports a BWD of 25%.
5. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
6. Press PAUSE again to put the printer online.
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Chapter 2 Configuring The Validator
Defining Validator Options
A number of validator options which define specific parameters for
certain print jobs can be set from the printer configuration menu.
Setting Number Of Bar Codes On A Form
You can define how many bar codes the validator should expect on
a form. This setting is required when bar codes are produced as a
part of a larger bitmapped image. When set to a specific number,
the printer checks after a form has printed and passed the validator
and determines if it has received an analysis report for each bar
code. If the printer does not have as many reports as it expects, it
assumes a gross bar code failure.
When Auto (the default) is selected, the printer only expects as
many bar code analyses as bar codes printed using printer bar
code commands defined by the host software.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until Number of Codes displays.
5. Press + or – to scroll through the choices: Auto, 1 to 99. The
default is Auto.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
Checking Quiet Zones
Quiet zones are the white spaces surrounding the bar code. Each
bar code requires a minimum quiet zone distance in order for the
bar code to be scanned properly.
NOTE: The validator requires a minimum distance of 1/2” or 20
times the minimum element width (x-dimension), whichever
is greater, between bar codes.
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Defining Validator Options
When set to Enable (the default), then the bar code quiet zone is
included as part of the pass/fail criteria.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until Quiet Zones displays.
5. Press + or – to scroll through the choices: Enable or Disable.
The default is Enable.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
NOTE: The validator does not recognize x-dimensions greater
than 40 mil with Quiet Zones enabled.
Checking The Firmware Revision Number
For troubleshooting purposes, you may need to reference the
firmware revision number.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until F/W Revision displays. The firmware revision
number displays.
5. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
6. Press PAUSE again to put the printer online.
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Chapter 2 Configuring The Validator
Setting For Skip Labels
This option is used for skipping blank labels after bad labels have
been marked. It is useful when you want to have extra blank labels
in between bad and good ones. The settings are Minimum (the
default) and Maximum. Minimum allows up to one blank label, and
Maximum allows up to two blank labels.
NOTE: Minimum and Maximum blank labels are only applicable for
forms 2 inches (5.08 cm) high or more. For labels less than
2 inches high, the minimum and maximum blank labels
may vary.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until Skip Labels displays.
5. Press + or – to scroll through the choices: Minimum or
Maximum. The default is Minimum.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
Setting Overstrike Style
This option is used for marking bad labels with different overstrike
styles: Grid (the default), Grey, Checkerboard, or Error Type Msg.
IMPORTANT
If you are using an RFID encoder, set the validator Overstrike
Style different than the RFID Overstrike Style (in the RFID
CONTROL menu). This will help you differentiate between a
validator error and an RFID error.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
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Defining Validator Options
4. Press ↓ until Overstrike Style displays.
5. Press + or – to scroll through the choices: Grid, Grey,
Checkerboard, or Error Type Msg. The default is Grid.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
Setting I2of5 Checksum
This option allows you to include or exclude the checksum option in
the Interleaved 2 of 5 code as part of the grading. For example, if
you enable this option, then any incoming bar code data without
checksum digits will be graded as a failure, and a Checksum
Failure error will display. The default is Disable.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until I2of5 Checksum displays.
5. Press + or – to scroll through the options: Enable or Disable.
The default is Disable.
6. Press ↵ to accept the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
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Chapter 2 Configuring The Validator
Num Retry
This option allows you to set the number of times a form will be
reprinted before the printer stops. After you clear the error
message, the printer will print the same form or the next form,
depending on the setting for Max Retry Action (see “Max Retry
Action” below).
The options are 3, 4, and 5. The default is 5.
NOTE: This setting is utilized only when Validator Action is set to
Retry Form, Stop & Retry, or Rescan&Retry. See “Error
Num Rescan
This option allows you to set the number of times a form will be
rescanned before the printer stops. After you clear the error
message, the printer will print the same label or the next label,
depending on the setting for Max Retry Action (see “Max Retry
Action” below).
The options are 1 to 5. The default is 1.
NOTE: This setting is utilized only when Validator Action is set to
Rescan, Rescan&Retry, or Rescan&Stop. See “Error
Max Retry Action
This option determines what the printer will do with the current form
once the Num Retry or Num Rescan counter has been exhausted
(see “Num Retry” or “Num Rescan” above).
If Max Retry Action is set to Dump Form, after you clear the fault
the form will be dumped and printing will resume with the next form.
If Max Retry Action is set to Keep Form, after you clear the fault
printing will resume with the same form again. It will not attempt to
print the next form until the problem form has printed correctly.
NOTE: This setting is utilized only when Validator Action is set to
Retry Form, Stop & Retry, Rescan Form, Rescan&Retry, or
Rescan&Stop. See “Error Action” on page 79.
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Advanced Validator Options
Advanced Validator Options
The following items are considered advanced items and are only
visible if Admin User is set to Enable (in the PRINTER CONTROL
menu). Refer to the configuration section of your User’s Manual for
more information.
Decodeability
You can determine how strict the validator grades the wide/narrow
bars and spaces which compose the bar code by setting the
Decodeability parameter to a percentage value from 30% to 90%.
The higher the percentage value chosen, the stricter the validator
grades. The default is 37%.
For example, if the Decodeability value is set to 37%, the validator
gives the bar code a failing grade if the decodeability of the bar
code is at or below 37%.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↑ until Decodeability displays.
5. Press + or – to scroll through the percentage values: 30% to
90%. The default is 37%.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
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Chapter 2 Configuring The Validator
Percent Decode
You can set how strict the validator grades each bar code. For
example, the Percent Decode default is 60%. This means that 60%
of the scanned bar code must be readable for the validator to give
the bar code a passing grade. You can set the Percent Decode
parameter to a percentage value from 0% to 99%. The higher the
percentage value chosen, the stricter the validator grades.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↑ until Percent Decode displays.
5. Press + or – to scroll through the percentage values: 0% to
90%. The default is 60%.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
Defects
You can set how strict the validator grades the irregularities such as
voids and spots found within elements and quiet zones for each bar
code. For example, the Defects default is 20%. This means that if
the bar code and quiet zone defects exceed 20%, the validator
gives the bar code a failing grade. You can set the Defects
parameter to a percentage value from 0% to 100%. The lower the
percentage value chosen, the stricter the validator grades.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
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Advanced Validator Options
4. Press ↑ until Defects displays.
5. Press + or – to scroll through the percentage values: 0% to
100%. The default is 20%.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
Overall Grade
This menu item sets the value used by the validator for pass/fail
threshold during the analysis of bar codes. Instead of a letter grade,
numbers are used to allow for more resolution. The numbers can
be translated to letter grades according to the 4.0 grade table
below.
Table 4. Grading Scale for Overall Grade
Letter Grade Grade Numerical Range
A
B
C
D
F
3.5 to 4.0
2.5 to 3.4
1.5 to 2.4
0.5 to 1.4
0.0 to 0.4
Any bar code with a grade below this threshold value will cause the
printer to display the Overall Grade Fail error message (see “Error
Messages” on page 86) and take the appropriate error action.
Higher values create a stricter pass criterion.
The Overall Grade is determined by taking the lowest grade
obtained for any of these bar code quality parameters:
Decodeability, Percent Decode, Defects, Modulation, EC Min,
Rmin, and Symbol Contrast.
You can set the Overall Grade parameter to a value from 0.5 to 4.0.
The default is 0.5.
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Chapter 2 Configuring The Validator
Overall Grade Calculations
The validator follows the specified algorithm defined in the ANSI
X3.182 specification for determining the Overall Grade based on an
average. Although it is not defined, the validator truncates the result
of all analysis parameters averages for a slightly stricter grading.
A side effect of the ANSI specified algorithm is that the Overall
Grade may be lower than any of the averaged analysis parameters.
This occurs because the Overall Grade is based on the lowest
grade on any scan converted to a single digit grade (A to F, 4 to 0)
which is then averaged. This usually occurs when a single analysis
parameter has a value just above or just below the Overall Grade.
Example
The Decodeability value of 51 displays as B, but the Overall Grade
displays as C.
The bar code was scanned five times: three scans had values of
0.49 (grade C) and two scans had values of 0.54 (grade B).
The Decodeability grading calculation is:
(3 x 0.49) + (2 x 0.54) = 2.55
2.55 ÷ 5 = 0.51 (grade B)
The Overall Grade calculation is:
(3 x 2.0) + (2 x 3.0) = 12
12 ÷ 5 = 2.4 (grade C)
Also, with certain combinations of multiple analysis parameters and
possibly the truncation used on the analysis parameter’s average,
the Overall Grade may be higher than an individual analysis
parameter grade.
Example
The Decodeability value of 48 displays as C, but the Overall Grade
displays as B.
The bar code was scanned five times: four scans had values of
0.51 (grade B) and one scan had a value of 0.40 (grade C).
The Decodeability grading calculation is:
(4 x 0.51) + (1 x 0.40) = 2.44
2.44 ÷ 5 = 48.8 (grade C)
The Overall Grade calculation is:
(4 x 3.0) + (1 x 2.0) = 14
14 ÷ 5 = 2.8 (grade B)
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Advanced Validator Options
Modulation
Modulation measures how well the scan laser sees the wide
elements (bars or spaces) relative to the narrow elements. In
general, scanning lasers see bars better than spaces and wide
elements better than the narrow elements. This menu item sets the
value used by the validator for pass/fail threshold during the
analysis of bar codes. Higher values create a stricter criterion for
passing.
You can set the Modulation parameter to a percentage value from
0% to 100%. The default is 50%.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↑ until Modulation displays.
5. Press + or – to scroll through the percentage values: 0% to
100%. The default is 50%.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
EC Min
The higher the value, the stricter the criterion for passing.
This menu item sets the minimum edge contrast, which is the worst
edge transition (bar to space or space to bar) used by the validator
for pass/fail threshold during the analysis of bar codes. Bar codes
with an edge contrast below this threshold will fail.
You can set the EC Min parameter to a percentage value from 0%
to 100%. The default is 15%.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
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Chapter 2 Configuring The Validator
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
.
until VALIDATOR displays.
4. Press ↑ until EC Min displays.
5. Press + or – to scroll through the percentage values: 0% to
100%. The default is 15%.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
Rmin
This menu item sets the minimum reflectance value used by the
validator for pass/fail threshold used during the analysis of bar
codes. A bar code will fail if all the bar reflectance values are above
the percentage of space reflectance set by this threshold. For
example, an Rmin setting of 50% requires that at least one bar
reflectance value fall under the mid point of the reflectance value
read for the highest space reflectance.
You can set the Rmin parameter to a percentage value from 0% to
100%. The default is 50%.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↑ until Rmin displays.
5. Press + or – to scroll through the percentage values: 0% to
100%. The default is 50%.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
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Advanced Validator Options
Symbol Contrast
The higher the value, the stricter the criterion for passing.
Symbol Contrast represents the contrast between the bars and
spaces in the bar code used by the validator for pass/fail threshold
used during the analysis of bar codes. The bar code must have a
certain level of contrast to be recognized by the validator. Bar
codes with a symbol contrast below the threshold will fail.
You can set the Symbol Contrast parameter to a percentage value
from 0% to 100%. The default is 30%.
NOTE: To disable this parameter, set Symbol Contrast to 0%.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↑ until Symbol Contrast displays.
5. Press + or – to scroll through the percentage values: 0% to
100%. The default is 30%.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
Gain
This menu item sets the scanner gain setting. This allows you to
adjust the amplitude (height) of the space/bar transitions as seen
on a Scan Profile to optimize the validator hardware for applications
where standard settings make the bar codes unreadable.
NOTE: This menu does not have a default setting because the
value is hardware dependent. The initial value is read from
the validator’s flash memory.
After the initial value has been determined, you can set the Gain
parameter to a value from 1 to 255.
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Chapter 2 Configuring The Validator
To write a new Gain value to the validator’s flash memory, save a
configuration. See “Saving A Configuration” in the Quick Setup
Guide.
NOTE: This value will not be saved in the configuration. It will only
be written to the validator’s flash memory.
Offset
This menu item sets the scanner offset setting. This allows you to
adjust the vertical position of the scan profile to guarantee that the
validator hardware is reading the bar codes within the optimal
range. You can adjust this to place the bar code profile in the center
of the profile scale above 10% and below 90%.
NOTE: This menu does not have a default setting because the
value is hardware dependent. The initial value is read from
the validator’s flash memory.
After the initial value has been determined, you can set the Offset
parameter to a value from 1 to 255.
To write a new Offset value to the validator’s flash memory, save a
configuration. See “Saving A Configuration” in the Quick Setup
Guide.
NOTE: This value will not be saved in the configuration. It will only
be written to the validator’s flash memory.
SN Threshold
This menu item sets the SN (signal to noise) threshold used by the
validator to discriminate between high peak noise and actual bar
code transitions. Any reflectance transitions that are below the
threshold are ignored and considered noise.
You can set the SN Threshold to a value from 5 to 199.
The default is 70.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↑ until SN Threshold displays.
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Advanced Validator Options
5. Press + or – to scroll through the values: 5 to 199.
The default is 70.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
Scan Report
IMPORTANT
To print a Scan Report, Telemetry Data must be set to
Full Report.
This executable menu item prints a diagnostic printout of bar code
analysis parameters calculated by the validator. It allows you to
determine which parameter may be the cause of bar code
verification failures. The report printed is based on the last Full
Report received from the validator. This allows you to send a bar
code print job to the printer, have the bar code scanned by the
validator, and view a report of the parameters as seen by the
validator.
For forms with multiple bar codes, only information from the last
scanned bar code will be included in the report. To view validator
parameters for all bar codes on a form, use the Online Data
Validator Data Manager software.
NOTE: If the label is not wide enough, not all of the information will
print.
The printed report is generated from validator reports received by
the printer during printing. The report does not include information
about bar codes that are placed in the validator scan beam while
the printer is idle or from print jobs that generate an “Unscannable
code / check media” error message.
The number of Total Scans and Good Scans can help you
determine if the print speed is set too high and causing borderline
failures by not allowing for enough scans to be done by the
validator. The Scan Report is based on the last Full Report received
by the validator. So if the last bar code printed is positioned close to
the last inch of the form, and on-demand printing occurs to force the
last bar code to be fed past the laser beam, the Total Scans and
Good Scans reported will not be the same as those reported by the
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Chapter 2 Configuring The Validator
validator when printing at the set Print Speed (in the QUICK SETUP
and MEDIA CONTROL menus). This is because the on-demand
printing portion is done at a fixed print speed which may be higher
or lower than the set Print Speed. For example, a bar code printed
at 7 ips may yield eight Total Scans, but if printed in an on-demand
printing mode it may yield 18 Total Scans.
Scan Report Information
1. “ERROR:” followed by highest priority failure message (if an
error other than “Unscannable Code” occurred) or “None” if no
error occurred
2. Printout of characters read from the bar code
3. Symbology Type Read (e.g. Code 39, Code 128, etc.)
4. Overall Grade (letter grade and calculated/number value)
5. X dimension (mils)
6. Decodeability (%)
7. Modulation (%)
8. Symbol Contrast (%)
9. EC (Average Edge Contrast) (%)
10. Defects (%)
11. Rmin/Rmax (reflectance min/max)
12. PCS (Print Contrast Signal)
13. Percent Decode (%)
14. Bar Deviation Avg (%)
15. Min. Bar Deviation (%)
16. Max. Bar Deviation (%)
17. Ratio
18. Good Scans
19. Total Scans
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Advanced Validator Options
The following is a sample scan report of a Code 39, 10 mil bar code
containing "*RJS8702*" with a quiet zone violation:
Scan Profile
This is an executable menu that prints the scan reflectance profile
of a bar code placed in the validator scan beam.
NOTE: You will need a minimum installed label width of 2 inches
to support the Scan Profile printout.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↑ until Scan Profile displays.
5. Place a bar code in the scan beam path.
6. Press ↵ to scan the bar code.
7. When prompted on the control panel, remove the scanned bar
code.
8. Press ↵ to print the scan profile.
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Chapter 2 Configuring The Validator
9. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
10. Press PAUSE again to put the printer online.
The length of the scan profile printed is proportional to the Beam
The scan profile will print either a 1.5 inch wide or a 3 inch wide
graph depending on the Label Width setting (in the MEDIA
CONTROL menu). (Label widths less than 4 inches print the
smaller 1.5 inch wide profile.)
Printing is done in continuous mode without taking into account
media gap/marks.
NOTE: Use continuous media or else the scan profile may distort
at the media gap/marks.
The following figure shows a sample scan profile graph. It only
shows the profile of actual bar code data. The dashed lines
represent the 90% and 10% marks. You can use these to help set
the gain and offset (if necessary).
Figure 17. Sample Scan Profile
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Advanced Validator Options
Profile H Mag
This menu item selects the horizontal magnification for printing the
scan profile. This allows you to zoom in on the profile. Magnification
values are multiples of the scan profile length printed for a given
Beam Width setting. For example, if the Beam Width setting of
1800 prints a 4 inch scan profile, a Profile H Mag setting of 2 prints
an 8 inch scan profile.
You can set the Profile H Mag parameter to a value from 1 to 4.
The default is 1.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↑ until Profile H Mag displays.
5. Press or to scroll through the values: 1 to 4. The default is 1.
+
–
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
Figure 18 shows a Profile H Mag setting of 2 for the same scan
Figure 18. Sample Scan Profile: Profile H Mag = 2
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Chapter 2 Configuring The Validator
Print Settings
This is an executable menu item that reads and prints the settings
used by the validator.
The response received from the validator after sending the ~DV
(retrieves version), ~HT (retrieves hardware settings), and ~PT8
(retrieves parameter settings) commands are printed. Use the
printout to view all the active settings the validator is using and to
determine if there is any invalid setting which may be causing
problems.
The following is a sample printout:
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Advanced Validator Options
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Chapter 2 Configuring The Validator
Scanner Settings
This option has two purposes:
•
Allows the validator to upload an optimized setting for a
particular printer size at power up. This will use the full scanner
beam width and improve the performance and efficiency of the
validator.
•
Allows you to customize a special scanner setting for a specific
application. The feature file can then be downloaded to the
printer by using normal printer download procedures and must
be saved as part of the power up configuration. For more
information, contact the Printronix Customer Support Center.
To set this option when a feature file has been downloaded:
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↑ until Scanner Settings displays.
5. Press + or – to scroll through the options: Default or feature
file 1, feature file 2, etc. (up to seven feature files). The default
is Default 4xx, Default 6yy, or Default 8zz (4, 6, and 8 inch
printers respectively; xx, yy, and zz are file revision numbers).
6. Press ↵ to accept the desired value.
7. Save this configuration and set it as the Power-Up
configuration in the CONFIG CTRL menu.
8. Cycle power for the new setting to take effect.
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Advanced Validator Options
Beam Width
This menu item allows you to adjust the width of the scan beam to
focus on specific areas where bar codes are expected. This will
reduce the amount of data the validator must process. Use this to
read bar codes near text or graphics that may interfere with the
validator if the text or graphics are scanned.
Reducing the beam width and focusing it to specific areas also
reduces light reflection interference to the validator from the media,
ribbon, tear bar, or other shiny surfaces.
You can set the Beam Width parameter to a value of 250 to 3100.
The default is 1800, 2550, or 3100 (4, 6, or 8 inch printers).
The higher the value, the wider the beam width.
NOTE: The Beam Width menu item will change the width of the
scan beam but it is assumed that users will use the Beam
Shift menu item to move the beam to the correct horizontal
focus point.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↑ until Beam Width displays.
5. Press + or – to scroll through the values: 250 to 3100.
The default is 1800, 2550, or 3100 (4, 6, or 8 inch printer).
6. Press ↵ to accept the desired value.
7. Save this configuration and set it as the Power-Up
configuration in the CONFIG CTRL menu.
8. Cycle power for the new setting to take effect.
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Chapter 2 Configuring The Validator
Beam Shift
This option enables you to shift the scanning beam horizontally to
the left or right. The left edge of the beam should be approximately
0.13 inches (3.3 mm) from the left edge of the tear bar. After you
set this value, save it as part of the configuration for future use.
The value range is from –99 to 99. The default is 0. Lower values
will move the beam to the left.
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↑ until Beam Shift displays.
5. Press + or – to scroll through the values: –99 to 99. The default
is 0. Lower values will move the beam to the left. Press ↵ to
accept the shift value.
Keep selecting the new value until the beam width is at the
desired position. The left edge of beam should be
approximately 0.13 inches (3.3 mm) from the left edge of the
tear bar.
6. Save the configuration for future use.
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General Process For Barcode Analysis
General Process For Barcode Analysis
The following flow chart is an overview of how the validator
performs the barcode analysis.
Edge Determination
Reflectance Minimum <=
Threshold percentage of Reflectance
Maximum
Min. Edge Contrast (worst pair) >=
Min. Edge Contrast Threshold
Symbol Contrast >= Symbol Contrast
Threshold
Modulation >= Modulation Threshold
Grading Scale:
A: >= 70 %
B: >= 60 %
C: >= 50 %
D: >= 40 %
F: < 40 %
Grading Scale:
A: >= 70 %
B: >= 55 %
C: >= 40 %
D: >= 20 %
F: < 20 %
Decodeability >= Decodeability
Threshold
Defects <= Defects Threshold
Grading Scale:
A: <= 15 %
B: <= 20 %
C: <= 25 %
D: <= 30 %
F: > 30 %
Grading Scale:
A: >= 62 %
B: >= 50 %
C: >= 37 %
D: >= 25 %
F: < 25 %
Overall Grade >= Overall Grade
Threshold
Grading Scale:
A: 3.5 to 4.0
B: 2.5 to 3.4
C: 1.5 to 2.4
D: 0.5 to 1.4
F: 0.0 to 0.4
Percent Decode >= Percent Decode
Threshold
Figure 19. Barcode Analysis Flowchart
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Chapter 2 Operation
Operation
There are a number of factors which contribute to successful bar
code validation, including printer speed, on-demand print settings,
calibration, and ambient light. The following sections describe how
to ensure your bar code validator is scanning and reporting
properly.
Print Speed Limits
Two factors in the validation process affect the printer’s speed limit:
minimum code height (bar code height) and minimum code gap.
The printer automatically examines the Min. Code Height and Min.
Code Gap values and sets the defined maximum slew (vertical
paper movement) and print speeds to insure proper operation. If
the current Print Speed and/or Slew Speed values in the MEDIA
CONTROL menu are higher than the newly defined maximum, the
values are changed to equal the maximum. If the current values are
lower than the newly defined maximum, no change in speed
occurs.
Min. Code Height (Bar Code Height)
The validator cannot function at the highest speed possible by the
printer. It requires a minimum number of scans per bar code to
make a reliable assessment, so the speed of the printer is limited
by the height of the bar code. If the bar code is very short, printing
needs to be slowed down to allow sufficient scans to occur. If the
print speed exceeds this limit, the message Speed Exceeds
Validator Limit will display. Print speed will be lowered automatically
if required, but will not automatically reset to a higher speed.
The printer cannot predict how high all the bar codes in a given job
will be, so it cannot automatically limit or adjust the print speed to
insure the code height/speed requirement is being met. When the
bar code is too short for the selected speed, the printer produces a
missing bar code error condition. Therefore, printer speed must be
set manually to compensate for bar code height.
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Print Speed Limits
Use this formula to determine printer speed in relation to bar code
height:
Bar Code Height In Inches
Maximum Printer Speed In
=
Inches Per Second
0.030
By changing the Min. Code Height, the printer and slew speeds will
be changed automatically.
To change the Min. Code Height:
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until Min. Code Height displays.
5. Press + or – to scroll through the choices: 0.13 to 1.00 inches in
0.01 inch increments. The default is 0.30 inches.
6. Press ↵ to select the desired value. The printing and slew
speeds will be changed after ↵ is pressed.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
To set the printer speed manually:
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. Press
.
.
until MEDIA CONTROL displays.
.
4. Press ↓ until Print Speed displays.
5. Press + or – to scroll through the choices.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
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Chapter 2 Operation
Min. Code Gap
Bar code
Min. Code Gap
Distance from the
bottom of a bar code to the
top of the next bar code
Next bar code
Minimum Code Gap represents the distance between the closest
bar codes within a print job. The distance is measured from the
bottom of one bar code to the top of the next bar code. The closest
bar codes can be located on two separate labels or on the same
label.
This distance is important because it affects how fast the Print
Speed can be set. If the bottom-most bar code on one label is very
close to the top-most bar code on the next label, the printer could
have trouble distinguishing which bar code correlates with which
label. To avoid the risk of miscorrelation, the printer automatically
set its Print Speed.
The default is 0.30 inches. The range is 0.15 to 1.00 inches in 0.01
inch increments.
Use this formula to determine printer speed in relation to minimum
code gap:
Min. Code Gap In Inches
Maximum Printer Speed In
=
Inches Per Second
0.050
To change the Min. Code Gap:
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until Min. Code Gap displays.
5. Press + or – to scroll through the choices: 0.15 to 1.00 inches in
0.01 inch increments. The default is 0.30 inches.
6. Press ↵ to select the desired value.
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On-Demand Printing
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
NOTE: To avoid the risk of miscorrelation, the printer automatically
sets its Print Speed based on the information that has been
selected to ensure validation results are accurate.
On-Demand Printing
In order for each bar code to be successfully validated, the entire
bar code must pass completely under the scanning beam, even
when the printer is set up for on-demand printing. In cases where
the bar code is close to the bottom of a label and the printer is in an
on-demand printing mode, the printer automatically pushes the
label past the scanning beam. Once the bar code is validated, the
printer retracts the label back to be cut or torn off.
Because the printer has to push out and then retract labels in
on-demand printing modes, the extra movements slow the printing
process. You can avoid this by adjusting the form so that the bar
code appears early enough on the form so that it will pass
completely under the scanning beam during normal printing. This
may involve rotating the form or moving the bar code to a different
position on the form.
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Chapter 2 Bar Code Failures
Bar Code Failures
The validator tells the printer to announce a fault condition in two
situations:
•
•
if the validator detects a bad bar code
if the validator detects no bar code where it expects to find one.
How the printer reacts to these faults is determined by the printer’s
configuration settings, as described below.
Bad Bar Code Error Detection
The validator examines every bar code that passes under the
scanning beam and sends an analysis report to the printer. If a bar
code is reported to have failed to meet any of the acceptance
criteria, an error condition is reported. How the printer then reacts is
Missing Bar Code Error Detection
A bar code may print so poorly that the validator cannot detect it,
and the printer does not receive an analysis report for the code. To
catch this problem, the printer tracks the position of the last label
printed and knows when it should have completely passed the
scanning beam. It can then compare the number of bar code
analysis reports it expected to the number it received. If the printer
does not receive enough bar code reports, it enters an error
condition. How the printer then reacts is described in “Error Action”
The number of bar codes expected is determined one of two ways:
•
If Auto is selected for the Number of Codes parameter, and you
are using LinePrinter Plus®, IGP®/PGL®, IGP Code V™, or
IPDS™ graphics software, the printer compares the number of
bar code commands it receives from the software to the
number of analysis reports it receives from the validator.
•
You can set the number of bar codes generated by a
bitmapped image that the printer should expect per form by
selecting a value in the Number of Codes parameter.
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Error Action
For more information on choosing a value for the Number of Codes
parameter, see “Setting Number Of Bar Codes On A Form” on
Error Action
The printer response is the same whether the error stems from a
bad or missing bar code. It is determined by the Validator Action
setting in the VALIDATOR menu:
.
.
1. Press
to take the printer offline and place the printer in
.
Menu mode.
2. If necessary, press ↓ and ↵ at the same time to unlock the
↵ key.
3. If necessary, press
.
.
until VALIDATOR displays.
.
4. Press ↓ until Validator Action displays.
5. Press + or – to scroll through the choices:
•
•
•
•
•
•
•
•
Retry Form (default)
Stop & Retry
Grade&Report
Rescan Form
Rescan&Retry
Rescan&Stop
Stop
Overstrike
These options are described in detail below.
6. Press ↵ to select the desired value.
7. Press ↓ and ↵ at the same time to lock the ↵ key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
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Chapter 2 Bar Code Failures
Forms Printed After an Error Detection
Because of physical differences between the location of the
printhead and the scanning beam, one or more forms may print after
a bad form (a form with a bar code error that the validator detected).
The number of forms printed after a bad form depends on the Label
Length, Print Speed, and Slew Speed settings in the MEDIA
CONTROL menu. Shorter forms and faster speeds tend to increase
the number of forms printed before the validator has a chance to
detect an error. Also, the validator may not detect an error on forms
that have bar codes near the bottom of the form until the next form
has already started printing.
Forms that print after a bad form are treated differently, depending
require a reprint operation may need to reprint more than just the
bad form.
Table 5. Actions Done to Forms That Print After A Bad Form
Error Action
Action
Mode
Stop
Tagged as failed, even though it was never
scanned.
Overstrike
Overstruck (default).
Overstruck and reprinted.
Reprinted.
Retry Form
Stop & Retry
Grade&Report Not applicable (all forms are scanned once).
Rescan Form
Scanned. If error persists, it will be rescanned
and overstruck.
Rescan&Retry Scanned. If error persists, it will be overstruck
and reprinted.
Rescan&Stop
Scanned. If error persists, it will be tagged as
failed, even though it was never scanned.
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Error Action
Stop
If the validator detects a bar code failure, the print job stops, the
printer status indicator lamp flashes, the alarm sounds, and the
appropriate error message displays.
The printer remains in a fault condition until you press the PAUSE
key. This clears the error message and takes the printer offline. You
must correct any condition that may have caused the fault. When
ready, the printer can be put back online and it will resume printing
with the form immediately following the bad form and any other
forms printed prior to the physical stop (see “Forms Printed After an
Overstrike
Use Overstrike mode when you want bad labels to be marked, but
not reprinted (i.e., when using pre-numbered labels).
If the system detects a bar code failure, the print job stops, the
printer status indicator lamp flashes, the alarm sounds, and the
appropriate error message displays.
Without pausing, the printer then automatically reverses to the top
of the bad form. It then prints an obliterating pattern over the bad
form and any other forms printed prior to the physical stop (see
“Forms Printed After an Error Detection” on page 80). By default,
the obliterating pattern is a grid of fine lines which clearly marks the
label as bad but allows you to read what was originally printed.
In the VALIDATOR menu, the Overstrike Style options are: Grid,
Grey, Checkerboard, or Error Type Msg.
NOTE: Select Error Type Message to see the error message
printed on the bad form as the Overstrike Style.
IMPORTANT
If you are using an RFID encoder, set the validator Overstrike
Style different than the RFID Overstrike Style (in the RFID
CONTROL menu). This will help you differentiate between a
validator error and an RFID error.
After the overstrike printing, the printer clears the error message
and stops the alarm, then resumes normal printing at the point the
job was stopped.
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Chapter 2 Bar Code Failures
If more than one form is overstruck, only the first overstruck form is
lost (the one with the missing or bad bar code), and a separate print
command is required to resend it from the host, if needed. The rest
of the overstruck forms are automatically resent.
Retry Form
This mode is similar to the Overstrike mode, however, instead of
resuming printing where the printer had left off, the printer will
attempt to reprint the bad form.
NOTE: The number of times the printer will attempt to reprint the
bad form is determined by the Num Retry setting. See
The printer will stop, indicate an error, and overstrike as described
on the setting for Skip Labels (see “Setting For Skip Labels” on
page 52). It will then slew to the next top of a blank form and reprint
the bad form and any other overstruck forms (see “Forms Printed
Once the Num Retry counter has been exhausted, the print job
stops completely. After you clear the error message, the printer will
print the same label or the next label, depending on the setting for
Stop & Retry
This mode is similar to the Stop mode: the printer will stop printing
and display the error message. After you clear the error message, it
will then skip a number of blank labels, depending on the setting for
slew to the next top of a blank form and reprint the bad form and
any other forms printed prior to the physical stop (see “Forms
NOTE: The number of times the printer will attempt to reprint the
bad form is determined by the Num Retry setting. See
The printer will stop after the specified Num Retry attempts. After
you clear the error message, the printer will print the same label or
the next label, depending on the setting for Max Retry Action (see
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Error Action
Grade&Report
In this mode, the entire print job will print uninterrupted. If one or
more errors is detected, the printer status indicator lamp flashes,
the alarm sounds, and the error message “Bar code fails / Job has
errors” displays.
IMPORTANT
The error message lets you know that at least one bad form
printed. To determine which form(s) are bad, you must
manually scan all of them.
The printer remains in a fault condition until you press the PAUSE
key. This clears the error message and takes the printer offline.
Correct any condition that may have caused the fault, then press
PAUSE to place the printer back online.
Rescan Form
This mode is similar to the Retry Form mode, however, instead of
backing up and overstriking the form, the printer will back up and
rescan the bad form and any other forms that have already printed
NOTE: The number of times the printer will attempt to rescan the
form and following forms is determined by the Num Rescan
If the printer scans these forms correctly on any of the rescans, it
will continue printing with the next form.
If the printer fails to scan these forms correctly on all of the rescans,
it will overstrike the forms, stop, and indicate an error similar to Stop
mode. After you clear the error message, the printer will skip a
number of blank labels, depending on the setting for Skip Labels
It will then slew to the next top of a blank form and reprint the same
form or go the next form, depending on the setting for Max Retry
NOTE: The only difference between Rescan Form and
Rescan&Stop is that when a form still fails after all the
rescans, Rescan Form will overstrike the bad form,
whereas Rescan&Stop will not.
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Chapter 2 Bar Code Failures
Rescan&Retry
This mode is similar to Rescan Form with one exception: after the
printer has rescanned the form and overstruck it if there was still a
fault, it will reprint and rescan the same form again.
NOTE: The number of times the printer will attempt to rescan the
form is determined by the Num Rescan setting. See “Num
The number of times the printer will attempt to reprint the
bad form is determined by the Num Retry setting. See
If the printer scans these forms correctly on any of the rescans or
reprints, it will continue printing with the next form.
If the printer fails to scan these forms correctly on all of the rescans
and reprints, it will overstrike the forms, stop, and indicate an error
similar to Stop mode. After you clear the error message, the printer
will skip a number of blank labels, depending on the setting for Skip
It will then slew to the next top of a blank form and reprint the same
form or go the next form, depending on the setting for Max Retry
Rescan&Stop
This mode is similar to the Retry Form mode, however, instead of
backing up and overstriking the form, the printer will back up and
rescan the bad form and any other forms that have already printed
NOTE: The number of times the printer will attempt to rescan the
form and following forms is determined by the Num Rescan
If the printer scans these forms correctly on any of the rescans, it
will continue printing with the next form.
If the printer fails to scan these forms correctly on all of the rescans,
it will stop and indicate an error similar to Stop mode. After you
clear the error message, the printer will skip a number of blank
labels, depending on the setting for Skip Labels (see “Setting For
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Error Action
It will then slew to the next top of a blank form and reprint the same
form or go the next form, depending on the setting for Max Retry
NOTE: The only difference between Rescan Form and
Rescan&Stop is that when a form still fails after all the
rescans, Rescan Form will overstrike the bad form,
whereas Rescan&Stop will not.
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Chapter 2 Bar Code Failures
Error Messages
The validator can detect a number of errors. When one of these
errors occurs, the validator alerts the printer to perform the currently
appropriate error message on the printer display. Validator error
Table 6. Message List
Message
Explanation
Solution
Bar code fails
Job has errors
This message appears when
at least one label in a batch of
labels has a data validation
error.
1. Press PAUSE to clear
the message.
2. Manually scan all the
bar codes in the label
batch, then reprint the
bad labels.
NOTE:
This message appears only
when Validator Action is set to
Grade&Report.
Bar Code Improper
Data Format
Data validation error: the bar
code is not properly encoded. sends data in the correct
Fix the application so it
For example, a check sum is
incorrect, a required number
of characters is not met, or
the required terminator
characters are not included.
This problem is almost
always caused by incorrect
form or host application
design.
bar code format.
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Error Messages
Table 6. Message List
Explanation
Message
Solution
Bar code quiet
zone too small
Data validation error: the
blank zone(s) left or right of
the bar code is not big
enough to meet the minimum
requirement.
1. Fix the application.
2. Disable Quiet Zone in
the VALIDATOR menu.
Typically, this occurs in forms
where bar codes are placed
too close to other elements,
the bar code is too close to an
edge of the media, or the
media’s position is shifting.
The minimum quiet zone on
each end of the bar code
should be ten times the
minimum element width or
1/4 inch, whichever is greater.
In addition, between bar
codes, the validator requires
a minimum distance of 20
times the minimum element
width or 1/2 inch, whichever is
greater.
Calibration
warning
The validator has detected
that it needs calibration. This
message is a reminder and
does not halt printing.
Press PAUSE to clear the
message. Calibrate the
validator. See “Calibration”
Checksum Failure
The bar code data fails the
Verify that the checksum
checksum check or is missing digit exists in the bar code
the checksum digit.
and that it is the correct
value.
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Chapter 2 Bar Code Failures
Table 6. Message List
Message
Explanation
Solution
Contrast too low
Check media
Data validation error: the
contrast between bars and
spaces is not sufficient. This
can be caused by too little
Increase Print Intensity or
reduce Print Speed in the
QUICK SETUP menu or via
host software, change
heat in the thermal transfer or media, or set Symbol
by use of colored media or
ribbons.
Contrast = 0% (to disable it)
in the VALIDATOR menu.
Overall Grade
Fail
Overall data validation failure: 1. Press PAUSE to clear
decodeability, percent
decode, defects, modulation,
EC Min, Rmin, and/or symbol
contrast.
the message.
2. Adjust the parameter
that is causing the
failure. To see which
parameter is failing, run
a Scan Report
3. Lower the Overall
Grade to a point where
the worst parameter
grade will be above the
Overall Grade
threshold.
Poor scanning
Check heat&head
Data validation failure:
1. Adjust Print Intensity
and Print Speed in the
QUICK SETUP menu or
via host software.
decodeability. The difference
between wide and narrow
elements is too close for the
validator to reliably discern.
This usually indicates an
improperly set heat/speed/
pressure combination or the
loss of a printhead element.
2. Adjust the printhead
pressure. (Refer to the
Quick Setup Guide or
User’s Manual.)
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Error Messages
Table 6. Message List
Explanation
Message
Solution
Poor scanning
Check media
Data validation failure:
percent decode. The validator
detected gross
inconsistencies within the
height of the bar code. These
types of failures are likely
attributed to large blemishes
within the bar code, caused
by ribbon wrinkle or debris on
media.
1. Check for a wrinkled
ribbon or debris on
media. Roll wrinkled
area onto take-up
spindle.
2. Adjust the printhead
pressure blocks. (Refer
to the Quick Setup
Guide or User’s
Manual.)
Poor scanning
Inspect head
Data validation failure:
hardware defect. The
validator detected
1. Check that paper and
ribbon are clean,
unwrinkled, and
unexpected dark spots in
spaces or light spots in bars.
This usually indicates a poor
ribbon/media combination, a
dirty printhead, or a burned
pixel.
installed correctly.
2. Clean the printhead.
3. If message reappears,
replace the printhead.
Speed Exceeds
Validator Limit
Print Speed is set above the
maximum allowed for bar
code printing by the validator
as the Power-Up
configuration with the
validator option installed.
This message only appears
briefly, and the speed is
automatically reduced.
Make sure Min. Code
correctly.
An attempt was made to set
Print Speed above the
maximum allowed in the
QUICK SETUP menu or via
host software.
Maximum speed depends on
Min. Code Height and Min.
Code Gap.
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Chapter 2 Bar Code Failures
Table 6. Message List
Explanation
Data validation error: missing 1. Check that paper and
Message
Solution
Unscannable code
check media
bar code. An expected bar
code is missing or was
printed so poorly that the
validator cannot detect it.
ribbon are clean,
unwrinkled, and
installed correctly.
2. Run a print job and
check that the validator
beam is not obstructed;
remove obstructions as
necessary.
3. Run a print job and
check that the READ
LED flashes as bar
codes exit the printer. If
the READ LED does not
flash, cycle power and
run the job again. If the
READ LED does not
flash, inspect the cables
and the cable
connections. If the
cables are undamaged
and the connections are
good, replace the
validator.
4. If using bitmapped bar
codes, set Number of
number of codes per
form (not Auto).
5. Adjust Print Intensity
and Print Speed in the
QUICK SETUP menu or
via host software.
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Error Messages
Table 6. Message List
Explanation
Message
Solution
Unscannable code
check media
6. Press PAUSE to clear
the message.
(continued)
7. In the VALIDATOR
menu, press ↓ until
Clear Data displays,
then press ↵.
Validator not
communicating
1. The Validator Funct. =
Enable in the
1. Check that the validator
signal cable is securely
connected to the
VALIDATOR menu, but
when the printer was first
powered up it could not
communicate with it.
validator unit.
2. Select Validator Funct.
= Disable in the
2. The validator was
connected to the printer
and then later removed.
VALIDATOR menu.
Save this setting in the
Power-Up configuration
in the CONFIG CTRL
menu and reboot the
printer.
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Chapter 2 Troubleshooting
Troubleshooting
list of symptoms and possible solutions.
Table 7. Troubleshooting the Validator
Symptom
Solution
The scanning beam does not
come on.
1. Make sure the power/data cable is plugged
into the validator and the controller board on
the printer. See “Installation and Removal”
2. Make sure the validator has not been
disabled in the VALIDATOR menu. See
3. Print a bar code validation demo page
4. Call your service representative if the
problem persists.
The scanning beam does not
cover the entire width of the
labels being printed.
1. Adjust the validator along the length of the
lower bracket so that the scanning beam
covers the complete width of labels printed.
2. Use Beam Shift to move the beam
horizontally to cover the entire width of the
labels. See “Shifting The Scanning Beam”
The printer pauses after scanning If you have an RFID encoder but are not
each label.
encoding RFID tags, make sure RFID Reader is
set to Disable (in the RFID CONTROL menu).
Printing 3 mil or 5 mil x-dimension The validator does not recognize x-dimensions
width bar codes constantly
causes error messages.
as small as 3 mil or 5 mil. If you have to print bar
codes this size, disable the validator to prevent
error reports. See “Enabling And Disabling The
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Error Messages
Table 7. Troubleshooting the Validator
Solution
Symptom
The printed labels look clean, but
the validator is still reporting an
error message.
The validator glass may be dirty, distorting the
report results. Power down the printer and clean
the glass using a household glass cleaner and a
dry, lint-free cloth.
The printed bar codes are
causing error conditions.
There are a number of factors which could be
causing validation errors:
•
The scanning beam is not properly aligned
with the two notches on the tear bar of the
printer. See “Adjust The Scanning Beam” on
•
•
Make sure the entire bar code passes
completely under the scanning beam.
The validator and printer are not properly
communicating. Test the validator operation
without using a host. See “Bar Code
•
Bar code width. The validator can recognize
x-dimensions as narrow as 6.6 mil for
300 dpi printers, and 10 mil for 203 dpi
printers. The validator cannot recognize
x-dimensions smaller than 6.6 mil or larger
than 40 mil.
•
•
Bar code size. A minimum height of 1/8 inch
is required for validation. If problems persist,
increase the bar code height.
Bar code type. The validator only
recognizes the following linear, picket fence
bar codes: Codabar, Code 39, Code 93,
Code 128, Interleaved 2 of 5, and
UPC/EAN. Stacked, 2D, and vertical
(ladder) bar codes are not supported.
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Chapter 2 Maintenance
Table 7. Troubleshooting the Validator
Symptom
Solution
The printed bar codes are
causing error conditions.
(continued)
•
•
Bar code spacing.The validator requires a
minimum distance of 1/2 inch or 20 times
the minimum element width, whichever is
greater, between bar codes.
Printer speed. See “Print Speed Limits” on
page 74. If problems persist, decrease the
Print Speed in the MEDIA CONTROL menu.
•
•
•
•
Be sure the bar code is not printing on the
extreme edges of the label.
Clean the printhead. See “Cleaning” in the
Quick Setup Guide.
Check that paper and ribbon are clean,
unwrinkled, and installed correctly.
Check the number of bar codes being
validated concurrently. The validator can
track the performance of up to four bar
codes at one time.
Maintenance
WARNING
Class 2 laser light. Do not stare into the laser beam or a
reflected image of the laser beam.
WARNING
Using controls, making adjustments, or performing
procedures other than those specified herein may result in
hazardous radiation exposure.
The validator is a self-contained unit that requires only periodic
cleaning. Every so often, power down the printer and use a
household glass cleaner and a dry, lint-free cloth to clean the glass.
If the problem with the printer is not fixed by one of these
troubleshooting methods, call your authorized service
representative or the Printronix Customer Support Center. See
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A
Contact Information
Printronix Customer Support Center
IMPORTANT
Please have the following information available prior to calling
the Printronix Customer Support Center:
•
•
•
Model number
Serial number (located on the back of the printer)
Installed options (i.e., interface and host type if applicable to the
problem)
•
Configuration printout (see “Printing A Configuration” in the
Quick Setup Guide)
•
•
•
Is the problem with a new install or an existing printer?
Description of the problem (be specific)
Good and bad samples that clearly show the problem (faxing of
these samples may be required)
Americas
Europe, Middle East, and Africa (31) 24 6489 311
Asia Pacific (65) 6548 4114
(714) 368-2686
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Chapter
Printronix Supplies Department
Contact the Printronix Supplies Department for genuine Printronix
supplies.
Americas
(800) 733-1900
Europe, Middle East, and Africa (33) 1 46 25 1900
Asia Pacific
(65) 6548 4116
or (65) 6548 4182
Corporate Offices
Printronix, Inc.
14600 Myford Road
P.O. Box 19559
Irvine, CA 92623-9559
Phone: (714) 368-2300
Fax: (714) 368-2600
Printronix, Inc.
Nederland BV
P.O. Box 163, Nieuweweg 283
NL-6600 Ad Wijchen
The Netherlands
Phone: (31) 24 6489489
Fax: (31) 24 6489499
Printronix Schweiz GmbH
42 Changi South Street 1
Changi South Industrial Estate
Singapore 486763
Phone: (65) 6542 0110
Fax: (65) 6546 1588
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Index
A
D
B
E
C
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Index
N
O
F
Online Data Validator
See Validator
G
P
I
L
M
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Index
Statistics
Q
R
T
U
V
S
Validator
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Index
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*179097-001*
179097-001
Revision D
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