COPYRIGHT © 2001 CANON INC.
2000 2000 2000 2000
CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
4-9 T
Transfer guide, High-voltage cord, Composite power supply PCB, DC controller PCB
(transfer faulty)
8) Is there foreign matter in the transfer guide assembly or the transfer
charging roller assembly, and is leakage noted?
YES: Remove the foreign matter.
NO:
1.
Check the high-voltage cord for electrical continuity. (The resis-
tance of the transfer high-voltage cord is about 10 k
Ω.)
2.
Check the composite power supply PCB and the DC controller
PCB.
Developing assembly
9) Is the developing assembly fitted securely? (Check to see if the develop-
ing block members are in firm contact with the photosensitive drum.)
NO:
Fit the developing assembly correctly.
Toner level detection assembly (development fault)
10)Is there toner inside the developing assembly?
NO:
•
Check the toner sensor.
•
Check the connectors and the harnesses for electrical continuity.
Drum unit, Reader controller PCB, Main controller PCB
11)Try replacing the drum unit. Is the problem corrected/
YES: End.
NO:
Real the reader controller PCB and the main controller PCB.
Memo
•
The resistance of the high-voltage cord for primary charging is about
10 k
Ω
•
The resistance of the high-voltage cord (white) is about 10 k
Ω
•
The resistance of the cord for the transfer guide is about 10 k
Ω
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