Manual
20
15. Troubleshooting
This chapter provides information on some common problems you may encounter and how to
solve them.
15.1. Printer does not work
Problem
Probable reason
Solution
Printer does not work.
LED is off.
Printer has no power.
Connect to the power supply.
Printer is off.
Turn on the printer.
15.2. LED Indications / Beeper
Indicator lights
Beeper
Cause
Solution
Power
Error
Paper
On
On
On
Short-long-short-…
Cover is open.
Close the cover.
On
On
On
Short-short-short-…
Out of paper
Replace paper.
On
--
On
--
Paper is near end.
Be ready to replace paper
soon.
On
Flash
--
Short-short-short-…
Cutter jam
See “Printing problems”
On
Flash
--
Long-short-long-…
Over-temperature-
Alert
◼
Switch the printer off.
◼
Let the printer cool down
to room temperature.
On
Flash
--
Long-short-long-…
Over-temperature-
Shutoff
◼
Switch the printer off.
◼
Let the printer cool down
to room temperature.
On
Flash
--
Short-short-long-…
Low voltage alert
Check voltage supply.
On
Flash
--
Short-short-long-…
High voltage alert
Check voltage supply.