Datamax W-Class Maintenance Manual page 59

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Troubleshooting
Fault Messages (continued)
Description
A printhead strobing
problem has been detected.
The temperature range of
the printhead has been
exceeded, resulting in a
print shutdown.
The TOF mark could not
be found within the
maximum label length
setting; or, the TOF was
found in an unexpected
place.
3-7
Possible Solution(s)
1) Try cycling the printer power 'Off' and
'On' to clear the fault.
2) Replace the main logic board; see
Section 4.10.
Allow the printhead to cool. Ensure that the
printer has been installed under acceptable
environmental conditions;
Operator's Manual for details.
Proceed according to the symptom:
If the media is moving –
1) Adjust the media guide, the media
sensor and calibrate the printer; see
Section 2.1.
2) The leveling cam may be improperly
adjusted; see Section 2.2.1.
3) The label length or maximum label
length setting may need to be increased.
4) The media sensor may be occluded or
defective. Try cleaning
recalibrate; otherwise replace it. See
Section 4.9.
5) The printhead pressure may need to be
increased; see Section 2.2.2.
6) The printhead may be out of alignment;
see Section 2.2.3.
7) The platen roller or another drive
component may be worn.
8) The media / ribbon combination may be
incorrect, allowing slippage.
If the media is not moving –
1) Ensure that the printhead is latched.
2) Possible cabling problem from card
cage, power supply or stepper motor.
3) Possible defective drive component.
4) Possible defective power supply board.
5) Possible defective main logic board.
6) Possible defective stepper motor.
see the
and then