Ricoh IM C300

Troubleshooting for Image Quality Problems
SM 6-151 D0CA/D0C9/D0C8/D0CB
Troubleshooting
6.12.22 BACKGROUND STAIN
Symptom Possible cause Necessary actions
The reverse side of the paper is not
clean.
Dirty paper transfer
roller
Clean the paper transfer
roller.
Dirty paper path Clean the paper path.
Dirty registration roller Clean the registration roller.
Defective fusing unit Replace the fusing unit.
6.12.23 NO PRINTING ON PAPER EDGE
Symptom Possible cause Necessary actions
Images are not printed in the areas
around the paper edges.
Defective PCDU Replace the PCDU.
Defective toner cartridge Replace the toner
cartridge.
Defective image transfer
belt unit
Replace the image
transfer belt unit.
Image transfer belt not
contacting PCDU
Check the image transfer
belt unit.
6.12.24 IMAGE NOT CENTERED WHEN IT SHOULD BE
Symptom Possible cause Necessary actions
Images do not come to the
center.
Incorrect installation of
paper
Install the paper correctly.
Incorrect paper guide
position
Adjust the paper guide correctly.
Incorrect margin setting Adjust the margin setting.
Defective BiCU (PCB1) Replace the BiCU (PCB1).
Incorrect installation of
paper tray
Uninstall the paper tray units and
re-install them.