LCD display
PRINTER ERROR ##
##: 20 to 54, 64 to
75, A9, B0 to DA
SERVICE REQD. ##
##: A0 to A3
Failure in firmware
updating
166
Description
Paper jam
Poor autocutter operation
Irregular ambient temperature
Malfunction
The product is beyond its service
life.
Failed to update the firmware.
Recovery method
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.
Perform repairs.
Turn the power on again, and if the error
occurs again, perform repairs.