CHAPTER 6 TROUBLESHOOTING
6-75
COPYRIGHT© 2001 CANON INC.
2000 2000 2000 2000
CANON iR105 REV.0 JULY 2001
3.3.6 The output is foggy (overall)
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1) Perform the Image Adjustment Basic Procedure. Is the problem
corrected?
YES: End.
Scanner (dirt)
2) Does the problem occur only in copy images?
YES: The cause is between scanner and CCD. Perform the following:
[1] Check the scanning lamp for dirt and the end of its life.
[2] Check the reflecting plate, mirrors, lenses, and standard white
plate for dirt.
High-voltage DC PCB (settings)
3) Is the switch SW101 on the high-voltage PCB set to UP position?
NO:
Set it to UP position.
Potential control system
4) Set the following in service mode ‘0’ to turn off potential control:
COPIER>OPTION>BODY>PO-CNT. Is the problem corrected?
YES: The cause is in the potential control system. Make checks as in-
structed for checking the surface potential control system (2.7.12).
Cleaner assembly
5) Is the cleaning blade mounted correctly?
NO:
Mount the cleaning blade correctly.
Pre-exposure lamp, DC controller PCB
6) Does the pre-exposure lamp remain ON during copying?
NO:
[1] Replace the pre-exposure lamp.
[2] Replace the DC controller PCB.
Developing roll, Developing cylinder
7) Is the developing roll worn?
YES: Replace the developing roll.
NO:
Replace the developing cylinder.
Developing bias (control)
8) Is the setting of the following in service mode high:
COPIER>ADJUST>V-CONT>DE-OFT, OHP-OFST?
YES: Try decreasing the setting.
Developing cylinder speed control
9) Is the setting of the following in service mode ‘2’:
COPIER>OPTION>BODY>DEVL-SLOW?
NO:
Set it to ‘2’.
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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