Canon PC1000s Service Manual page 317

CHAPTER 7 TROUBLESHOOTING
High-voltage contact (between high-voltage spring and DC controller PCB; J209), Transfer
charging roller
10) Is the connection between the high-voltage spring and the DC con-
troller PCB (5209) normal?
YES: Replace the transfer charging roller.
NO:
Correct it. If the problem cannot
be
corrected, replace the faulty
P * .
Contact sensor LED intensity auto adjustment
11) Execute contact sensor LED intensity auto adjustment. Is the prob-
lem corrected? (See 1 . 2 . 4 . 1 of Chapter 7 . )
YES: End.
Connector
12) Is the connection of the following connectors normal: J501 and
5503 on the analog processor PCB; 5317 on the image processor
PCB; 5504 of the contact sensor.
NO:
Connect them
firmly.
If the flexible cable has a scratch, replace it.
Contact sensor
13) Try replacing the contact sensor. Is the problem corrected?
YES: End.
Analog processor PCB, Image processor PCB
14)
T r y
replacing the analog processor PCB. Is the problem corrected?
YES: End.
NO: Replace the image processor
PCB.
COPYRIGHT02032 CANON INC.
CANON P C I W I ~ ~ Q ~ C L A S S D600s REV. 1 AUG.2002
7-35