Troubleshooting Malfunctions In The Pedestal; E901 - Canon NP6330 Service Manual

CHAPTER 11 TROUBLESHOOTING
B. Troubleshooting Malfunctions in the Pedestal
1

E901

Cause Step
Pedestal motor 1
(M1)
Pedestal 2
controller PCB
DC controller
PCB
11-102
Checks
Set the meter to the 100VDC
range, and measure the voltage
between J109-1 (+; PEDMD) and
J109-4 (-) on the pedestal
controller PCB.
Does the voltage change to about
5 V when WMUPR starts after the
power switch has been turned on?
Replace the pedestal controller
PCB. Is the problem corrected?
COPYRIGHT © 1997 CANON INC.
YES/NO
YES
YES
NO
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
Replace the pedestal
motor.
End.
Check the wiring from
the DC controller PCB to
the pedestal controller
PCB; if normal, replace
the DC controller PCB.