The Back Of The Copy Is Soiled - Canon iR1600 Service Manual

3.3.13 The back of the copy is soiled.

Paper, Selected mode
1) Is the selected fixing mode suited to the paper used?
YES: Select the appropriate mode.
Exposure system
2) Turn off the power switch immediately before the paper moves past
NO:
Registration roller, Transfer charging roller
3) Is the fault at specific intervals?
YES: If it is at intervals of about 50 mm, clean the registration roller.
NO:
Fixing assembly
4) Execute fixing roller cleaning in user mode. Is the fault corrected?
YES: End.
NO:
COPYRIGHT© 2002 CANON INC.
the fixing assembly. Is the back of the paper soiled at this time?
Go to step 4.
If it is at intervals of about 55 mm, clean the transfer charging
roller.
If the dirt cannot be removed, replace the roller.
Clean the guide.
Replace the fixing assembly.
2000 CANON iR1600/iR2000 REV.1 JAN. 2002
CHAPTER 13 TROUBLESHOOTING
13-29