E074 - Canon CLC5000 Service Manual

4.1.22 E074

Transfer belt lifter sensor 1 (PS12), 2 (PS13)
1) Is the sensor normal? (See the instructions on how to check photo-
NO:
Operation (faulty)
2) Turn the transfer belt lifter drive shaft by a finger. Does it turn
NO:
Sensor (position)
3) Turn OFF and ON the power switch to clear 'E074'.
YES: Check the position of the sensor; if normal, replace the DC control-
Multifeeder pick-up motor
4) Turn OFF and ON the power switch once again, and press the Start
NO:
Transfer belt lifter clutch (CL17)
DC controller PCB
5) Turn OFF and ON the power switch once again, and press the Start
YES: Check the wiring from the clutch to the DC controller PCB; if nor-
NO:
COPYRIGHT © 2001 CANON INC.
CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
interrupters.)
Replace the sensor.
smoothly?
Remove the cause of the faulty rotation.
Press the Start key, and check the operation of the lifter of the
transfer belt by the eye. Does the transfer belt move up and down?
ler PCB.
key. Does the multifeeder pick-up motor rotate?
Check the wiring; if normal, replace the multifeeder pick-up motor.
key.
Does the voltage between J2208A-14 and J2208A-15 on the DC
controller PCB change from 0 V to 24 V?
mal, replace the clutch.
Replace the DC controller PCB.
2000 2000 2000 2000 CANON CLC5000 REV.0 JAN. 2001
5-129