LSX3100 User Manual, January 2017
© 2017 Global Payments Inc.
41
CONFIDENTIAL
Receipt Printer
Receipt Printer Problem
Diagnostics
Failure to detect paper
1. Check the paper load sensor (A) to determine if the sensor.
is displaced or dislocated from its mounting base.
2. Check the sensor cable to control board for loose
connection.
Failure to print message
1. Check the paper for correct loading.
2. Thermal coated side of paper faces up while feeding
(paper type of CSO).
3. Check the ribbon cable from control board to thermal head
for loose or skewed connection.
4. Check to ensure the thermal head is working properly, and
replace it.
Failure to feed paper
1. Check the paper feed roller and cutter lower support for
loose lever.
2. Check to ensure the feed roller sensor (C) is working
properly.
3. Check the sensor cable to the control board.
4. Check to ensure the feed roller motor is working, i.e., gear
of the roller rotating.
5. Check cables from the control board to sub-board for loose
connection.
6. Remove paper fully out of its path by releasing the paper
feed and cutter lower support.
Lock the paper feed and cutter lower support in
position
Cut the paper end straight
Feed the paper
7. Check the paper feed sensor (B) for loose connection.