The Blank Shutter Fails To Move; The Photosensitive Drum Fails To Rotate - Canon NP6330 Service Manual

25

The blank shutter fails to move.

Cause Step
Blank shutter 1
cable
Blank shutter 2
motor (M8)
Moor driver 1 3
PCB
DC controller
PCB
26

The photosensitive drum fails to rotate.

Cause Step
1
Drum unit 2
Belt 3
Main drive
assembly
COPYRIGHT © 1997 CANON INC.
Checks
Is the blank shutter cable routed
properly?
Turn off the power switch, and dis-
connect the relay connector J26.
Set the meter to the x1K
and measure the resistance
between the terminals of the
motor shown below. Is it normal?
J26-4 J26-5
J26-1 J26-2
J26-6 J26-5
J26-6 J26-4
J26-3 J26-2
J26-3 J26-1
Replace the motor driver 1 PCB.
Is the problem corrected?
Checks
Is 'E010' indicated?
Re-set the drum unit. Is the
problem corrected?
Is the belt for the drive attached
properly?
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11 TROUBLESHOOTING
YES/NO
NO
NO
range,
Resistance ( )
100
100
50
50
50
50
YES
NO
YES/NO
YES
YES
NO
YES
Action
Re-route the blank
shutter cable.
Replace the blank
shutter motor.
End.
Replace the DC
controller PCB.
Action
See "E010."
End.
Re-attach the belt.
Remove the main drive
assembly, and correct or
replace any faulty part
as necessary.
11-89