COPYRIGHT © 2002 CANON INC.
2000 2000 2000 2000
CANON iR1200/iR1300 Series REV. 0 AUG. 2002
CHAPTER 7 TROUBLESHOOTING
7-26
Selfoc lens array (contact sensor)
9) Clean the selfoc lens array of the contact sensor. Is the problem cor-
rected? (See 4.3.1 of Chapter 6.)
YES: End.
Contact sensor LED intensity auto adjustment
10) Execute contact sensor LED intensity auto adjustment. Is the prob-
lem corrected? (See 1.2.4.1 of Chapter 7.)
YES: End.
Connector
11) 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
12) Try replacing the contact sensor. Is the problem corrected?
YES: End.
Analog processor PCB, Image processor PCB
13) Try replacing the analog processor PCB. Is the problem corrected?
YES: End.
NO:
Replace the image processor PCB.
3.1.3 The output is foggy vertically.
3.1.4 The output has fuzzy, black vertical lines.
Transfer guide assembly
1) Clean the transfer guide assembly. Is the problem corrected?
YES: End.
Drum unit, Developing unit
2) Try replacing the drum unit. Is the fault corrected?
YES: End.
NO:
Replace the developing unit.