Specifications

COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001
CHAPTER 5 TROUBLESHOOTING
5-54
Belt motor clock sensor (PI1)
3) Set the meter range to 10 VDC. Does the voltage between connec-
tors J12-2 (+) and J12-1 (-) on the ADF controller PCB alternate be-
tween 0 and 5 V when the belt motor is rotated by hand?
NO: Replace the belt motor clock sensor (PI1).
Cable
4) Is the cable between the belt motor driver PCB and the ADF con-
troller PCB connected properly?
NO: Connect it properly.
Belt motor driver PCB, ADF controller PCB
5) Try replacing the belt motor driver PCB. Is the problem corrected?
YES: Replace the belt motor drive PCB.
NO: Replace the ADF controller PCB.