Troubleshooting
3-12
3.3 Message Resolution
All functions are monitored during operation and when a problem is detected a
corresponding message will be displayed. (If no messages accompany the problem, see
Section 3.2.) In the tables below locate the Displayed Message, the Description, and then
use the Possible Solutions (listed by probability) to isolate the malfunction.
Note: Warning and Fault Messages are not displayed in Menu or Test Mode.
3.3.1 Warning Messages
Warning Messages (lasting about five seconds) receive a medium display priority and, if
multiples occur, the priority Warning will be displayed.
Warning Messages
Displayed Message Description Possible Solution(s)
DOT FAILURE
Defective printhead
elements have been
detected.
Replace the printhead if print
quality becomes unacceptable (see
Section 4.3).
GAP MODE
WARNING LOW BACKING
Only a small difference
between the ‘empty’
and ‘gap’ sensor values
has been established.
No action required. Typically
caused by transparent media
backing or notched media, this
may result in a slight ‘Out of Stock’
indication delay when the supply is
emptied.
GOODBYE
Power shutdown is in
progress.
The power switch was turned OFF
or AC line voltage has been lost.
HEAD NEEDS CLEANING
The scheduled
maintenance interval
has been reached.
Clean the printhead (see Section
2.1.1).
HOST CHANGES PENDING
Changes await the
printer’s configuration.
To save the changes, send a host
reset command; or, to discard
changes perform a soft reset (see
Section 2.9).
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