19
VI. Troubleshooting
6.1
Common problems
The table below shows the common problems the printer operators normally meet and the solutions to
them; if you have tried the troubleshooting in the ways we suggest but the printer is still not working
properly, please contact the customer service of the vendor for more assistance.
Problem
Possible cause
Solution
- The power indicator is off
* The AC socket plug and the
power supply plug are not
properly connected to the
socket of the printer
* The printer power is not
switched on
* Check the power connector,
and make sure that the AC
socket and the power supply
plug are properly connected
to the printer
* Turn on the power switch
- The printer Diagnostic Tool
displays "Printer On"
* The print head holder is not
closed
* Close the print head holder
- The printer Diagnostic Tool
displays "Out of Paper"
* The label paper is used up
* The roll label installation
path is incorrect
* The gap/black mark sensor
detection is incorrect
* Install new label paper
* Refer to the steps of label
installation and re-install it
* Re-calibrate the label sensor
- The printer Diagnostic Tool
displays "Paper Jam"
* The gap/black mark sensor
detection is incorrect
* The roll label paper size
setting is incorrect
* There may be roll label
paper stuck inside the printer
mechanism
* Re-calibrate the roll label
sensor
* Set the correct label size
* Clean the inside of the
mechanism