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8 TM-U220 User’s Manual
English
Troubleshooting
Printing stops before all the lines are printed or the printer prints the same
line repeatedly
If the correct power supply unit is not used, the printer cannot operate
correctly. Make sure the correct power supply unit is connected to the
printer, referring to the table below:
*Multilingual means the printer model that can print any one of the following: Japanese Kanji,
Simplified Chinese, Traditional Chinese, Thai characters, or Korean characters.
No lights on the control panel
❏ Check the power supply cable connections 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.
❏ Types A and B: 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.
❏ A paper jam has occurred. To remove the jammed paper, see the
instructions below.
❏ Be sure to check if the specified power source is used. PA-6xxx
and PB-6xxx cannot be used with this printer.
❏ 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.
Returning the autocutter blade to the normal position
1. Open the roll paper cover by using the tab, as shown in
illustration H.
2. Use a ballpoint pen or tweezers to turn the knob of the autocutter
in the direction indicated by the arrow until you see a round shaft
in the hole, as shown in illustration P.
The power supply unit that can be used with the
TM-U220 alphanumeric model (types A, B, and D)
The power supply unit that can be used with the
TM-U220 multilingual* model (types A, B, and D)
“AC adapter, C” (packed with the alphanumeric
model) or “PS-180” (option)
“PS-180” (packed with the multilingual* model)