Technical information

COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON CLC5000 REV.0 JAN. 2001
CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
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3.4.12 The copy has white spots (meandering).
Separation charging wire
1) Clean the separation charging wire. Is the problem corrected?
YES: End.
Separation charging assembly
2) Is leakage, poor contact, or wrong charging wire height noted for
the separation charging assembly?
YES: Remove the fault.
Environment sensor
3) Check the machine inside temperature using ‘ANALOG’ under
‘DISP’ in service mode. Is the reading proper?
YES: Replace the environment sensor.
NO: Check the separation charging wire, signal line of the pre-fixing
charging system, and wiring.
3.4.13 The copy has a soiled image or soiled back.
1) Is a soiled image noted only on a copy made after making a two-
sided copy?
YES: Go to step 11.
Image margin
2) Is the image margin within specification?
NO: Make adjustments as instructed under 2. “Standards and Adjust-
ments.”
Primary charging assembly, Developing bias laser power
3) Is fogging noted in the image margin?
YES: Check the primary charging assembly for dirt, and check the devel-
oping bias and laser power.