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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Cleaning fault
4) Is the cleaning blade of the photosensitive drum locked?
NO: Lock and fix in position the cleaning blade of the cleaning assem-
bly.
5) Is foreign matter found on the cleaning blade of the photosensitive
drum cleaning assembly?
YES: Remove the foreign matter, and clean the cleaning blade and the
cleaner assembly externals.
6) Is deformation or scratches noted on the edge of the cleaning
blade? Feel the cleaning blade with a finger to check for deforma-
tion and scratches.
YES: If deformation or scratches are noted, remove the cause, and re-
place the cleaning blade.
7) Is there a collection of waste toner under the scoop-up sheet?
YES: Clean it.
8) Is the scoop-up sheet of the photosensitive drum cleaning blade
bent or faulty?
YES: Replace the scoop-up sheet.
Side scraper
9) Are the edges soiled when on the photosensitive drum?
YES: Replace the side scraper.
Cleaning assembly (developing assembly)
10) Is the transfer belt soiled with toner or fixing oil?
YES: 1. Check to see if toner is leaking from the photosensitive drum
cleaning assembly or the No. 2 cleaning assembly (end).
2. Check the oil removing roller to see if it is operating correctly.
Fixing assembly
11) Is the take-up mechanism of the web of the fixing assembly nor-
mal? Is the upper/lower roller cleaned normally?
NO: 1. Check the take-up mechanism of the web.
2. Clean the upper/lower roller.
3. Clean the oil blade.
4. Clean the contact face of the oil applying roller.
5. Clean the fixing assembly guide.
6. Clean the oil removing blade.
Delivery assembly, External static eliminating/separation charging assembly
12) Clean the delivery roller, separation claw, external static eliminat-
ing/separation charging assembly. Is the problem corrected?
YES: End.