Canon iR5000 User Manual

CANON iR5000/iR6000 REV.0 JULY 2000 2000 2000 2000 2000COPYRIGHT © 2000 CANON INC.
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
4-8 T
3.6 The print is foggy (overall)
Potential control system
1) Set ‘0’ to the following in service mode to turn off potential control:
COPIER>OPTION>BODY>PC-CNT> Is the problem corrected?
YES: The cause is in the potential control mechanisms. Make checks ac-
cording to the instructions for the potential control mechanism in
Chapter 3 “Standards and Adjustments.”
Photosensitive drum cleaner unit
2) Is the cleaning blade mounted correctly?
NO: Mount the cleaning blade correctly.
Pre-exposure lamp/DC controller PCB
3) Is the pre-exposure lamp on during printing?
NO:
1. Replace the pre-exposure lamp.
2. Replace the DC controller PCB.
Developing assembly
4) Are the developing rolls worn?
YES: Replace the developing rolls.
Photosensitive drum
5) Is the photosensitive drum soiled?
YES: Clean the photosensitive drum.
NO: Replace the photosensitive drum.
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Canon iR5000 Specifications

General

Brand	Canon
Model	iR5000
Category	All in One Printer
Language	English