Specifications

COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001
CHAPTER 5 TROUBLESHOOTING
5-56
2.1.3 E405
1) Set the DIP switch (SW1) on the ADF controller PCB as indicated.
Does the separation motor (M4) rotate when the push switch (SW2)
is pressed?
(To stop the operation, press the push switch (SW2) once again.)
YES: Go to step 3).
Separation motor (M4)
2) Disconnect the connector (J8) of the ADF controller PCB. Set the
meter range to x1
ΩΩ
ΩΩ
Ω, and connect the meter probe to the connectors
on the cable side as indicated. Is the resistance about 5.0
ΩΩ
ΩΩ
Ω?
NO: Replace the separation motor (M4).
Separation motor clock sensor (PI2), ADF controller PCB
3) Set the meter range to 10 VDC. Does the voltage between connec-
tors J12-5 (+) and J12-4 (-) on the ADF controller PCB alternate be-
tween 0 and 5 V?
NO: Replace the separation motor clock sensor (PI2).
YES: Replace the DADF controller PCB.
J8
1 (red)
2 (blue)
J8
ADF
controller PCB