E010; E030 - Canon NP6330 Service Manual

6

E010

Step
Cause
1
2
Main motor unit
(M1; integrated
unit of main
motor and main
motor driver
PCB)
DC controller
PCB
3
Drive belt
4
DC power
supply PCB
5
Main motor unit
DC controller
PCB
7

E030

Step
Cause
1
DC controller
PCB
COPYRIGHT © 1997 CANON INC.
Checks
Does the main motor (M1) rotate
until 'E010' turns on?
Set the meter to the 12VDC
range. Does the voltage between
J107-3 (+) and J107-2 (-) on the
DC controller PCB change from 0
to 5 V between when the Copy
Start key is pressed and when
'E010' is indicated?
Is the drive belt attached
properly?
Set the meter to the 100VDC
range, and connect its probes to
J633-1 (+) and J633-5 (-) on the
DC power supply PCB. Is the
voltage between the terminals
about 24 V?
Replace the main motor unit. Is
the problem corrected?
Checks
Does the total counter operate
normally?
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11 TROUBLESHOOTING
YES/NO Action
NO Go to step 3.
YES Check the wiring from
the DC controller PCB to
the main motor; if
normal, replace the main
motor unit.
NO Replace the DC
controller PCB.
NO Re-attach it.
NO Check the wiring J633
on the DC power supply
PCB to the main motor
unit; if normal, replace
the DC power supply
PCB.
YES End.
NO Replace the DC
controller PCB.
YES/NO Action
NO See "The total counter
fails to operate."
YES Replace the DC
controller PCB.
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