Datamax M-Class Mark II Operator's Manual page 71

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Chapter 6 – Troubleshooting
Printer Fault Messages (continued)
Description
Consistently low sensor
readings were detected.
Consistently high sensor
readings were detected.
The ribbon sensor values
have changed, or the
printer detects no or only
sporadic ribbon supply hub
movement.
The printer has shutdown to
allow the printhead
temperature to cool.
Possible Solution(s)
Press any key to continue. Ensure that the
reflective mark was inserted facedown in
the media sensor during the appropriate
calibration step; also, ensure that the
reflective mark is made of carbon based
ink, and that the sensor is free of debris.
Retry calibration.
Press any key to continue. Ensure that
media was removed from the media sensor
during the appropriate calibration steps;
also ensure that no labels are stuck in the
media sensor. Retry the calibration. If the
problem persists, call for service.
Try the following:
1) Ensure that ribbon is correctly loaded
and that the printhead assembly is
latched.
2) Check the ribbon supply and ribbon take
up hubs for obstructions that may be
stopping movement.
3) Ensure that the ribbon core fits snugly
on the ribbon supply hub.
4) Ensure that the media and paper
combination is not slipping (usually
caused by an incorrect match).
Turn 'Off' the printer until cool to prevent
permanent damage due to an excessive
printhead temperature.
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