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English
Troubleshooting
The ERROR light is flashing and the printer does not print.
First, turn off the printer and check for a paper jam.
If there is no paper jam, turn off the printer and turn it back on after about 10
seconds. If the ERROR light is still flashing, contact a qualified service person.
The printer sounds like it is printing, but nothing is printed.
The ribbon cassette may be worn out or not installed properly. Re-install or
replace it as described in this manual.
Paper is jammed inside the printer.
Do not touch the print head because it can be very hot after printing
continuously for a long time.
Do not move the print head carriage. Moving the carriage may cause
abnormal noise during printing and the printing position may be shifted.
To clear a paper jam, follow the steps below:
1.
Turn the printer off, open the printer cover, and remove the take-up
device.
2.
Pull up two release levers forward, then lift the clamshell backward.
3.
After lifting the clamshell, remove the paper.
4.
Push back the clamshell back until it clicks into place.
5.
Put the take-up device back in the printer.
6.
Reinstall the roll paper; then turn the power on to start operation.
8 RP-U420 User's Manual
CAUTION:
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