Printronix Auto ID T8204, Руководство пользователя, Страница: 47 / 77

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Table 6. Message List
Displayed Message Solution/Explanation
Calibration
warning
The validator has detected that it needs calibration. This
message is a reminder and does not halt printing.
1. Press PAUSE to clear the message. Calibrate the vali-
dator. See “Calibration”.
Checksum Failure
The bar code data fails the checksum check or is missing the
checksum digit.
1. Verify that the checksum digit exists in the bar code and
that it is the correct value.
Contrast too low
Check media
Data validation error: the contrast between bars and spaces is
not sufficient. This can be caused by too little heat in the
thermal transfer or by use of colored media or ribbons.
1. Increase
Media > Image > Print Intensity
or reduce
Me-
dia > Speed > Print Speed
by menu or host software,
change media, or set
ODV-2D > Grading > Symbol
Contrast
to 0% (to disable it).
ODV COMM ERR
See Manual
Communication error between printer and online data valida-
tor (ODV).
1. Cycle power.
2. If the problem persists, contact your authorized cus-
tomer service representative.
ODV Error
Data Mismatch
The data that was encoded by the emulation is different than
the data that the validator reported.
1. Adjust
Media > Image > Print Intensity
and
Media >
Speed > Print Speed
menu or via host software.
2. Adjust the printhead pressure. (Refer to the Adminis-
trator’s Manual.).
Overall Grade
Fail
Overall data validation failure: decodability, percent decode,
defects, modulation, EC Min, Rmin, and/or Symbol Contrast.
1. Press PAUSE to clear the message.
2. Adjust the parameter that is causing the failure. To see
which parameter is failing, run a Scan Report (page 32).
3. Lower the
ODV-2D > Grading > Overall Grade
to a point
where the worst parameter grade will be above the
Overall Grade threshold.