Datamax W-Class, Maintenance Manual

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Troubleshooting
3-1
3.0 Overview
This chapter discusses troubleshooting the printer. Depending upon the malfunction, use a procedure(s)
listed below to diagnose and correct the problem:

When a displayed message is generated, use Fault and Warning Messages, Section 3.1.

When no message is generated, use the Troubleshooting Flowchart, Section 3.2.

When label formatting problems occur, use the Hex Dump mode, Section 3.3.
If faults are localized to a Printed Circuit Board, replacement is recommended. Due to the complexity of
the PCBs, it is not feasible to do component level repair in the field. A defective PCB can be returned to
the factory for service.
3.1 Fault and Warning Messages
All printer functions are monitored. During operation, when a potential problem (a Warning) or problem
(a Fault) is detected, the printer will display a corresponding message. Message types, along with the
possible solutions, are described below.

Note: Warning and Fault Messages are not displayed when the printer is in Menu or Test Mode.
3.1.1 Warning Messages
Warning Messages have a medium display priority and are shown for a period of five seconds. If multiple
Warning conditions are detected, the display will reflect the highest priority message.
Warning Messages
Displayed Message Description Possible Solution(s)

The printer has detected
burned-out printhead
elements. Replace the printhead when the print
quality becomes unacceptable; see Section
4.2.


The printer measured only a
small difference between
the ‘empty’ and ‘gap’
sensor readings. Transparent backing or notched media
typically gives this indication. In this case,
there may be a slight delay in the ‘Out of
Stock’ indication, after the media supply is
emptied; no action is required.

Power has been removed
and shutdown is in
progress. The printer power switch was turned ‘Off’,
the line fuse has blown, or the AC line
voltage has been lost.