H-Class
107
6
Troubleshooting
6.1 Problem Resolution
When a problem is encountered, the information in this section will help resolve it. Locate
the description of the problem to find an appropriate solution. For problems that are
accompanied by a displayed message, see Section 6.1.2.
Depending on your labeling program and the printer's menu settings, some
commands and selections can be ignored. See HOST SETTINGS (Section 4.2.5) for
more information and consult your software vendor for program information. If you
have questions or if problems persist, contact a qualified technician or Datamax-
O’Neil
Technical Support.
6.1.1 General
Resolutions
The following table lists problems that may not be accompanied by a displayed message:
If experiencing this
problem…
Try this solution…
Blank display (but the
backlight is ON):
Check the following possibilities:
•
The display contrast may set too low (press and hold the
MENU Button until the contrast is acceptable); or,
•
Disconnect any device attached to the optional SDIO Slot or
USB Host Port.
Erratic feeding:
The printer may require calibration (see Section 3.4).
Erratic printing:
Check the following possibilities:
•
If in Hex Dump Mode, disable it (see Section 6.2); or,
•
If using serial communications, check the host and printer
port settings; the printer may be set to eight data bits while
the host is set to 7, or vice versa (see Section 4.2.5).
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