The Copy Is Solid Black - Canon ImageRunner 600 Service Manual

22

The copy is solid black.

Cause Step
Scanning lamp
Primary
charging
assembly
Image processor
PCB
CCD unit
COPYRIGHT © 1999 CANON INC.
1 Is the scanning lamp on?
2 Select COPIER>DISPLAY>DPOT in
service mode. Is the setting of VDM
between 432 and 452?
3 Is the connection of the following normal?
1. Image processor PCB
2. CCD unit
3. DC control PCB
4. Relay PCB
4 Does the problem occur in copy images
only?
CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
CHAPTER 13 TROUBLESHOOTING
Checks Yes/No Action
NO See "The scanning
lamp fails to turn on."
NO Check the primary
charging assembly.
NO Correct the connection.
NO 1. Replace the image
processor PCB.
2. Replace the DC
controller PCB.
YES Replace the CCD unit.
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