Troubleshooting
133
Miscellaneous Issues
This section identifies miscellaneous issues with the printer, the possible causes, and the recommended
solutions.
Issue: Settings are Lost or Ignored
Some parameters are set incorrectly.
Possible Cause - 1
Printer settings were changed without saving them.
Resolution
The ZPL
^JU command was not used to save your configuration before turning the printer off. Cycle the
printer OFF and then back ON to verify settings have been saved.
Possible Cause - 2
The label format/form commands or commands sent directly to the printer have syntax errors or have been
used incorrectly.
• A firmware command turned off the ability to change the parameter.
• A firmware command changed the parameter back to default setting.
Resolution
See the ZPL programmer’s guide to verify command usage and syntax. See the About section for support
links. to view the programmer’ guide for your printer model.
Possible Cause - 3
The prefix and delimiter characters set in the printer do not match the ones in the label format.
Resolution
Verify the ZPL programming settings of the Control, Command and Delimiter settings are correct for your
system software environment. Print a Configuration Report or use display’s Language Menu (if present) for
these three (3) menu items and compare it the commands in label format/form you are trying to print. See
Test Printing with the Configuration Report and ZPL Configuration.
Possible Cause - 4
The MLB (Main Logic Board) may be malfunctioning. Firmware is corrupted or the MLB needs service
Resolution
1 — Reset the printer to factory defaults. See use the Zebra Setup Utility and Open Printer Tools >
Action > Load printer defaults.
2 — Reload printer firmware. See Updating Printer Firmware.
3 — If the printer does not recover from this error, call a service technician. This is not a user serviceable
item.