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COPYRIGHT © 1999 CANON INC.
CANON ADF FOR iR600 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 5 TROUBLESHOOTING
Action
Replace the belt motor
clock sensor (PI1).
Connect the cable
correctly.
Replace the belt motor
driver PCB.
Replace the ADF
controller PCB.
Checks
Set the meter range to 10 VDC. Turn the
belt motor by hand. Does the voltage
between J12-3 (+) and J12-2 (-) on the
ADF controller PCB change between 0V
and 5 V?
Is the cable between the belt motor driver
PCB and the ADF controller PCB
connected properly?
Replace the belt motor driver PCB. Is the
problem corrected?
Yes/
N o
NO
NO
YES
NO
Cause
Belt motor clock
sensor (PI1)
Cable
Belt motor
driver PCB
ADF controller
PCB
Step
1
2
3