Feeding Faults; Double Feeding; Wrinkles - Canon iR5000 Service Manual

CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS

5.2 Feeding Faults

5.2.1 Double Feeding

Separation roller
1) Is the separation roller deformed or worn?
YES: Replace the separation roller.
Spring
NO:

5.2.2 Wrinkles

Pickup assembly
1) Turn off the power while print paper is moving through the feeding
assembly. At this time, is the print paper wrinkled? Or, is the paper
askew?
YES: Check the pickup assembly.
Print paper
2) Try paper fresh out of package. Is the problem corrected?
YES: The paper may be moist. Advise the user on the correct method of
3) Try paper recommended by Canon. Is the problem corrected?
YES: Advise the user to use recommended paper.
Paper guide, Fixing assembly inlet drive solenoid (SL1)
4) Is the paper guide coated with toner or foreign matter?
YES: Clean it with solvent.
5) Are the height of the paper guide and the movement of the solenoid
correct?
NO:
Lower roller pressure
6) Is the lower roller pressure (nip) as indicated?
NO:
Upper/lower roller
YES: Try replacing the upper and lower roller one after the other.
4-58 T
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Replace the spring used to pull the separation roller.
Check the guide in front of the registration roller.
Check the registration roller.
Check the operation for the feeding fan.
Check the separation charging assembly.
storing paper.
Correct the height of the paper guide and the operation of the sole-
noid.
Adjust it.
COPYRIGHT © 2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000