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User's Guide 69
TROUBLESHOOTING AND MAINTENANCE
Troubleshooting
Generally, when a malfunction or an abnormal condition occurs, the “READY” LED will
keep blinking. Printing and communication between the host and printer will stop.
To understand what the problem is you should first check the LED indicators and LCD
display on the front panel:
After the problems have been solved, press CANCEL to continue printing.
READY and MEDIA LED's blinking
LCD Displays MEDIA OUT
Possible Problems Solutions Remarks
Missing gap - Check the media path
- Check the position of the
media sensor.
- Check the paper sensor
If using continuous media with Windows
then in the Paper Tab section
continuous should be selected.
Media out - Check the Media Supply
Roll
Verify that the media is properly
positioned between the Media Sensor
Arms.
Media not installed - Install a Media roll
Media jam - Clear the jam Verify that the media is routed correctly.
Printhead module is not
closed
- Close and latch the
printhead module
Media Calibration lost Run the Label Sensor Calibration procedure.
Ready and Ribbon LED Blinking
LCD displays RIBBON OUT
Possible Problems Solutions Remarks
Incorrect Switch setting Switch 1 should be off Direct Thermal media does not use a
ribbon.
Ribbon has run out Supply the ribbon roll
Ribbon jam Recover the jam
Ribbon sensor error Replace the ribbon sensor
Note: The FM402DT does not use a ribbon and should not display this error.