CHAPTER 6 TROUBLESHOOTING
6-74
COPYRIGHT© 2001 CANON INC.
2000 2000 2000 2000
CANON iR105 REV.0 JULY 2001
3.3.4 The output has uneven density (darker at the front)
3.3.5 The output has uneven density (lighter at the front)
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1) Perform the Image Adjustment Basic Procedure. Is the problem
corrected?
YES: End.
Development assembly (position)
2) Are the rolls of the developing assembly in firm contact with the
photosensitive drum?
NO:
Check the developing assembly locking unit.
Scanner (dirt)
3) Clean the scanning lamp, reflecting plate, side reflecting plate, mir-
rors, lenses, and dust-proofing glass. Is the problem corrected?
Pre-exposure lamp
4) Does the pre-exposure lamp ON evenly during copying operation?
NO:
[1] Replace the pre-exposure lamp.
[2] Replace the DC controller PCB.
Developing assembly
Charging assembly, Copy paper
5) Is the developing cylinder coated with an even layer of toner?
NO:
[1] Clean the edge of the blade of the developing assembly (by
dry wiping).
[2] Clean the surface of the developing cylinder.
[3] Check to see if the toner inside the developing assembly is
level or not.
YES: [1] Clean all charging wires once again, and check the position of
each once again.
[2] Try replacing the copy paper.
[3] Check the nip of the fixing roller.
Summary of Contents for iR105 Series
Page 547: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR105 REV 0 JULY 2001 APPENDIX ...
Page 561: ...Service Mode COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
Page 691: ...Error Code COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
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Page 1012: ...C 10 COPYRIGHT C 2001 CANON INC STANDARD FASTENERS REV 0 FEB 1992 ...
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