The Output Is Foggy Horizontally; The Output Has Fuzzy, Black Horizontal Lines - Canon SmartBase PC1200s Service Manual

CHAPTER 7 TROUBLESHOOTING

3.1.5 The output is foggy horizontally.

3.1.6 The output has fuzzy, black horizontal lines.

General conditions
1) Execute 'PRINT test'. Is the output image normal? (See 3.21.5 of
YES: Go through steps 3) to 7).
NO:
Transfer guide assembly, Cartridge
2) Clean the transfer guide assembly. Is the problem corrected?
YES: End.
NO:
Selfoc lens array (contact sensor)
3) Clean the selfoc lens array of the contact sensor. (See 4.3.1 of Chap-
YES: End.
Contact sensor LED intensity auto adjustment
4) Execute contact sensor LED intensity auto adjustment. Is the prob-
YES: End.
Connector
5) Is the connection of the following connectors normal: J501 and
NO:
Contact sensor
6) Try replacing the contact sensor. Is the problem corrected?
YES: End.
Analog processor PCB, Image processor PCB
7) Try replacing the analog processor PCB. Is the problem corrected?
YES: End.
NO:
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COPYRIGHT © 2001 CANON INC.
Chapter 2.)
Go to step 2).
Replace the cartridge.
ter 6.)
lem corrected? (See 1.2.4.1 of Chapter 7.)
J503 on the analog processor PCB; J317 on the image processor
PCB; and J504 of the contact sensor?
Connect them firmly. If the flexible cable has a scratch, replace it.
Replace the image processor PCB.
2000 2000 2000 2000 CANON SmartBase PC1200s/iR1200s REV. 0 DEC. 2001