Canon CP660 Service Manual page 307

13 The print has a distorted image/displaced color.
Cause Step
Drum motor 1
drive assembly
Laser/scanner 2
assembly
3
DC controller 4
PCB
COPYRIGHT © 1999 CANON INC.
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Checks
Is the drive gear between the drum
cartridge and the drum motor or
between the intermediate transfer
drum and the drum motor
worn/cracked?
Are the connectors J1001, J2, and
J901 of the laser/scanner assembly
connected securely?
Replace the laser/scanner assembly.
Is the problem corrected?
Are the connectors J205 and J211
on the DC controller PCB connected
securely?
CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 TROUBLESHOOTING
Yes/No Action
YES Replace the
worn/cracking gear.
NO Connect them securely.
YES Replace them.
NO Connect them securely.
YES Replace the DC con-
troller PCB.
10-25