Troubleshooting Malfunctions (If Equipped With Adf Functions); Original Pickup Fails - Canon SmartBase PC1200s Service Manual

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