CANON iR5000/iR6000 REV.0 JULY 2000
2000 2000 2000 2000
COPYRIGHT © 2000 CANON INC.
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
4-10 T
3.9 The print has black lines (vertical, fine)
Reader unit
1) Does the problem occur only in copy images?
YES:
1.
Check the standard white plate and mirrors for dirt.
2.
Execute the following in service mode:
COPIER>FUNCTION>CCD>CCD-ADJ.
Dust-proofing glass.
2) Clean the Dust-proofing glass. Is the problem corrected?
YES: End.
Fixing system
3) During printing, turn off the main power switch while paper is in the
feeding assembly; then, check the image. Is it normal?
YES: The cause is in a process after the fixing system. Check the follow-
ing:
1.
Fixing assembly upper roller for scratches and black lines.
2.
Web for dirt
3.
Thermistor and separation claw for dirt, and reciprocating opera-
tion
Primary charging assembly
4) Clean the primary charging assembly. Is the problem corrected?
YES: End.
Photosensitive drum cleaner unit
5) Is there paper or foreign matter trapped in the cleaning blade assembly?
YES: Remove the foreign matter, and clean the cleaning blade and the
casing of the cleaner unit.
6) Are there scratches on the edge of the cleaning blade? (Feel the edge of
the blade with your finger to find out.)
YES: Turn it over to use the other edge. If both edges have scratches, re-
place it.
Photosensitive drum, Developing system
7) Are there scratches or black lines in the peripheral direction of the sur-
face of the photosensitive drum?
YES: Replace the photosensitive drum.
If scratches are found, be sure to find out the cause.
NO:
Check the developing system.
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Summary of Contents for IR5000 - iR B/W Laser
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