Troubleshooting Guide
SM 4-37 G160/G161
G160/G161
Symptom Possible cause Necessary actions
Unclean transfer roller Clean the transfer roller.
Unclean paper path Clean the paper path.
Unclean registration roller Clean the registration roller.
Unclean fusing unit exit Clean the fusing unit exit.
The reverse side of the paper
is not clean.
Defective fusing unit Replace the fusing unit.
4.3.17 NO PRINTING ON PAPER EDGE
Symptom Possible cause Necessary actions
Defective PCU Replace the PCU.
Defective toner cartridge Replace the toner cartridge.
Defective transfer belt unit Replace the transfer belt unit.
Images are not printed in the
areas around the paper
edges.
Transfer belt not contacting
PCU
Check the transfer unit.
4.3.18 IMAGE NOT CENTERED WHEN IT SHOULD BE
Symptom Possible cause Necessary actions
Incorrect installation of paper Install the paper correctly.
Incorrect paper guide position
Adjust the paper guide
correctly.
Incorrect margin setting Adjust the margin setting.
Images do not come to the
center.
Defective engine control
board
Replace the engine control
board.
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