CHAPTER 6 TROUBLESHOOTING
6-77
COPYRIGHT© 2001 CANON INC.
2000 2000 2000 2000
CANON iR105 REV.0 JULY 2001
3.3.9 The output has black lines (vertical, fine)
Scanner (dirt)
1) Does the problem occur only in copy images?
YES: The cause is between scanner and CCD. Perform the following:
[1] Check the standard white plate and the mirrors for dirt.
[2] Execute the following in service mode:
COPIER>FUNCTION>CCD>CCD-ADJ.
Fixing system
2) Using the door switch actuator, make a copy with the front cover
open. Turn off the power switch when the copy paper is in the feed-
ing assembly, and check the image. Is the copy image normal?
YES: The cause is after the fixing system. Perform the following:
[1] Check the fixing upper roller for scratches and black lines.
[2] Check the web for dirt.
[3] Check the thermistor and the separation claw for dirt. Check
the reciprocating movement.
Primary charging assembly (dirt)
3) Clean the primary charging assembly. Is the problem cord?
YES: End.
Photosensitive drum cleaner assembly
4) Is foreign matter (e.g., paper) trapped by the cleaning blade of the
cleaner unit?
YES: Remove the foreign matter, and clean the cleaning blade and the
outside of the cleaner unit.
5) Is there a scratch on the edge of the cleaner blade? (Put a finger on
the edge of the cleaning blade, and feel for a scratch.)
YES: Turn over the edge. If both edges have a scratch, replace the clean-
ing blade.
Photosensitive drum, Developing assembly
6) Is there a scratch or black line in the peripheral direction of the
surface of the photosensitive drum?
YES: Replace the photosensitive drum. If a scratch is found, be sure to
find out its cause.
NO:
Check the developing system.
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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