COPYRIGHT © 2001 CANON INC.
2000 2000 2000 2000
CANON SmartBase PC1200s/iR1200s REV. 0 DEC. 2001
7-47
CHAPTER 7 TROUBLESHOOTING
4.3 Troubleshooting Malfunctions
(if equipped with ADF functions)
4.3.1 Original pickup fails.
General conditions
1) Does the ADF motor rotate?
YES: Go through steps 2) through 4).
NO:
Go to step 5) through 6).
General conditions
2) Is the original separation roller rotating?
NO:
Check the gear and timing belt used to transmit the drive of the
ADF motor (M3). If scratched, replace it.
Original pickup roller descent/Original stopper ascent mechanism
3) Does the original pickup roller move down and the original stopper
move up during original pickup?
NO:
Check the parts of the original separation roller unit, and correct
any fault. If scratched, replace it.
Rollers (separation roller unit)
4) Is the surface of each roller of the separation roller unit normal?
NO:
Replace the faulty roller.
ADF motor (connection)
5) Is the ADF motor harness connected firmly?
NO:
Connect it firmly.
ADF motor (M3), Image processor PCB
6) Try replacing the ADF motor (M3). Is the problem corrected?
YES: End
NO:
Replace the image processor PCB.