154
SERVICE SOON ##
The product is near the end of
its service life.
Because the internal parts of the printer
are near the end of their service life, pre-
pare to replace the printer, or prepare a
printer for replacement.
PRINTER ERROR ##
##: 7B or 7C
Environmental temperature is
out of spec.
Environmental temperature is too low (7B)
or too high (7C). Set operating tempera-
ture from 10 to 35C {50 to 95C}. Turn on
the power again.
PRINTER ERROR ##
##: 20 to 54, 64 to 75,
A9, B0 to DA
Paper jam
Poor autocutter operation
Irregular ambient temperature
Malfunction
1. Turn the printer off.
2. Open the roll paper cover.
3. Check the paper path for a paper jam.
If jammed paper is found, remove it
completely.
4. Set a paper.
5. Turn the printer on.
If the error occurs again, perform repairs.
SERVICE REQD. ##
##: A0 to A3
The product is beyond its ser-
vice life.
Perform repairs.
Failure in firmware
updating
Failed to update the firmware. Turn the power on again, and if the error
occurs again, perform repairs.
LCD display Description Recovery method
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