Canon CLC5000 Service Manual page 452

Cleaning fault
4) Is the cleaning blade of the photosensitive drum locked?
NO:
5) Is foreign matter found on the cleaning blade of the photosensitive
YES: Remove the foreign matter, and clean the cleaning blade and the
6) Is deformation or scratches noted on the edge of the cleaning
YES: If deformation or scratches are noted, remove the cause, and re-
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
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
Fixing assembly
11) Is the take-up mechanism of the web of the fixing assembly nor-
NO:
Delivery assembly, External static eliminating/separation charging assembly
12) Clean the delivery roller, separation claw, external static eliminat-
YES: End.
COPYRIGHT © 2001 CANON INC.
CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
Lock and fix in position the cleaning blade of the cleaning assem-
bly.
drum cleaning assembly?
cleaner assembly externals.
blade? Feel the cleaning blade with a finger to check for deforma-
tion and scratches.
place the cleaning blade.
bent or faulty?
cleaning assembly or the No. 2 cleaning assembly (end).
2. Check the oil removing roller to see if it is operating correctly.
mal? Is the upper/lower roller cleaned normally?
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.
ing/separation charging assembly. Is the problem corrected?
2000 2000 2000 2000 CANON CLC5000 REV.0 JAN 2001
5-95