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Troubleshooting
No LED on the control panel
❏ Check whether the DC cable and AC cable are correctly connected to the
printer and the power outlet.
ERROR LED is flashing or lit
❏ The print head temperature may be too high or low. Wait until the print
head cools or warms and the printer resumes printing automatically.
❏ Make sure that the roll paper cover is properly closed.
❏ A paper jam has occurred. To remove the jammed paper, see the
instructions below.
❏ TM-U330B: The autocutter blade is not in the normal position and the
autocutter is locked up. If it is a simple lock-up, the error is corrected
automatically. If not, see the instructions below to return the blade to the
normal position manually.
❏ Turn off the power, wait several seconds, and then turn it on again. If the
error remains, contact your supervisor or a qualified service person.
Paper jam
K
!
CAUTION:
The print head becomes very hot during printing. Allow it to cool before you
reach into the printer.
1. Open the roll paper cover.
2. Remove the jammed paper.
3. Re-insert the roll paper and close the roll paper cover.
TM-U330B/TM-U330D User's Manual 13
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