LSA6000 User Manual, March 2021
45
© 2017 Global Payments Inc.
CONFIDENTIAL
Receipt Printer Problem
Diagnostics
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, if not,
replace it.
Failure to feed paper
1. Check the paper feed roller and cutter lower support for a 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 is rotating.
5. Check cables from the control board to sub-board for loose
connection.
6. Remove paper fully 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 a loose connection.
Failure to discharge receipt
1. Check exit path for paper jam.
2. Check to ensure the paper exit sensor (D) is working.
3. Check to ensure the exit motor roller is working.
4. Check cables from motor/sensor to sub-board and all the way to
control board for a loose connection.
Thermal head overheating
Check the thermal head.
Cutter failure to cut paper
1. Check to ensure the cutter module is working.
2. Check the movement of the cutter blade by manually rotating the
gear mechanism. Check for interference.
Cutter failure to return to home
position
Check the movement of the cutter blade by manually rotating the gear
mechanism. Check for interference.
