Miscellaneous Issues
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Miscellaneous Issues

Issue
Possible Cause
Recommended Solution
The USB Host Port Is Not Acknowledging a USB Device
The printer is not acknowledging a USB device or is not reading the files on a USB device that is plugged into the USB host port.
The printer currently supports USB drives only up to 1 TB in size.
Use a USB drive that is 1 TB or smaller.
The USB device may require its own external power.
If your USB device requires external power, make sure that it is plugged into a working power supply.
Printer Parameters Are Not Set As Expected
Changes in parameter settings did not take effect.
OR
Some parameters changed unexpectedly.
A firmware setting or command prevented the ability to change the parameter.
Check your label formats or the settings of the software that you use to send formats to the printer.
If necessary, refer to the Programming Guide for ZPL, ZBI, Set-Get-Do, Mirror, and WML or call a service technician. A copy of the manual is available at zebra.com/manuals.
A command in a label format changed the parameter back to the previous setting.
Calibration Issues
Auto Calibrate failed.
The media or ribbon is loaded incorrectly.
Ensure that the media and ribbon are loaded correctly. See Loading the Ribbon and Loading the Media.
The sensors could not detect the media or ribbon.
Calibrate the printer. See Calibrating the Ribbon and Media Sensors.
The sensors are dirty or positioned improperly.
Ensure that the sensors are clean and properly positioned.
The media type is set incorrectly.
Set the printer for the correct media type (gap/notch, continuous, or mark).
Non-continuous labels are being treated as continuous labels.
The printer was not calibrated for the media being used.
Calibrate the printer. See Calibrating the Ribbon and Media Sensors.
The printer is configured for continuous media.
Set the printer for the correct media type (gap/notch, continuous, or mark).
Printer Locks Up
All indicator lights are on, and the printer locks up.
Internal electronic or firmware failure.
Power cycle the printer. If the problem persists, call a service technician.
The printer locks up while booting up.
Main logic board failure.