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4. Troubleshooting
Self-Test Procedure:
1. Make sure the printer and cables are well connected to the electric outlet.
2. Press the feed key and switch on the printer while still pressing the key.
At the same time, the printer begins a self-check.
Please release the key within five seconds, and the printer will print the
self-testing list after it.
Self-Test Report:
Self-checking can test if the printer is working properly. If the test list
prints correctly, the printer is functioning (this excludes problems related
to the connected interface to PC); otherwise, it needs repair.
Self-checking could print the software version number, print density,
interface type, English characters, and some other characters by order.
Paper Jam:
When a paper jam happens, turn off the power supply, open the top cover
(wait for the print head to cool off) then remove the jammed paper. After
that, reload the paper roll and close the top cover. Using the
recommended paper roll or one with the same quality would reduce the
risk of paper jam.
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