The Multifeeder Fails To Pick Up Paper; The Registration Roller Fails To Rotate - Canon CLC5000 Service Manual

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4.1.52 The multifeeder fails to pick up paper.

Multifeeder pick-up clutch (CL6)
1) Select multifeeder pick-up, and press the Start key. Does the
NO:
Multifeeder pick-up roller
2) Is paper fed properly by the pick-up roller?
YES: Replace the pick-up roller.
Lifter plate
3) Press the Start key. Does the lifter plate move up?
NO:
Paper thickness roller clutch (CL7)
4) Press the Start key. Does the roller rotate?
NO:
Multifeeder pick-up roller releasing solenoid (SL5)
DC controller PCB
5) Connect the + probe of the meter to J5704A-2 on the DC controller
YES: Check the wiring; if normal, replace SL5.
NO:

4.1.53 The registration roller fails to rotate.

Connector
1) Is the connection of the following connectors normal?
NO:
Gear
1) Is the drive of the registration motor normally transmitted to the
NO:
YES: Try replacing the following in sequence: manual feed driver PCB,
COPYRIGHT © 2001 CANON INC.
CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
multifeeder pick-up roller rotate?
Check the wiring; if normal, replace CL6.
Check the lifter plate drive system. As necessary, adjust or replace
it.
Check the wiring; if normal, replace the clutch.
PCB. Does the voltage change from about 24 V to about 0 V?
Replace the DC controller PCB.
• from registration motor to manual feed drive PCB: J5709
• from manual feed drive PCB to DC controller PCB: J5703/J2240
Connect the connector correctly.
registration roller through gears?
Remove the cause of the overload.
registration motor, DC controller PCB
2000 2000 2000 2000
CANON CLC5000 REV.0 JAN. 2001
5-157

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