COPYRIGHT © 2002 CANON INC.
2000 2000 2000 2000
CANON iR1200/iR1300 Series REV. 0 AUG. 2002
CHAPTER 7 TROUBLESHOOTING
7-36
High-voltage contact (between transfer charging roller and high-voltage spring)
10) Is the high-voltage spring used to supply high voltage to the trans-
fer charging roller soiled?
YES: Clean it.
High-voltage contact (between high-voltage spring and DC controller PCB; J209), Transfer
charging roller
11) Is the connection between the high-voltage spring and the DC con-
troller PCB (J209) normal?
YES: Replace the transfer charging roller.
NO:
Correct it. If the problem cannot be corrected, replace the faulty
part.
Contact sensor LED intensity auto adjustment
12) Execute contact sensor LED intensity auto adjustment. Is the prob-
lem corrected? (See 1.2.4.1 of Chapter 7.)
YES: End.
Connector
13) Is the connection of the following connectors normal: J501 and
J503 on the analog processor PCB; J317 on the image processor
PCB; J504 of the contact sensor.
NO:
Connect them firmly. If the flexible cable has a scratch, replace it.
Contact sensor
14) Try replacing the contact sensor. Is the problem corrected?
YES: End.
Analog processor PCB, Image processor PCB
15) Try replacing the analog processor PCB. Is the problem corrected?
YES: End.
NO:
Replace the image processor PCB.