Ricoh G081, Service Manual

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TROUBLESHOOTING GUIDE
SM 4-15 G081/G092
Trou
ble
-
sho
oting
4.3.16 BACKGROUND STAIN
Symptom Possible cause Necessary actions
Unclean transfer roller Clean the transfer roller.
Unclean paper path Clean the paper path.
Unclean intermediate or
registration roller Clean the intermediate or
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 belt tension 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.