E712; E716 - Canon NP6330 Service Manual

CHAPTER 11 TROUBLESHOOTING
20

E712

Step
Cause
1
Malfunction
2
Connector
3
DF controller
PCB
DC controller
PCB
21

E716

Step
Cause
1
Malfunction
2
Connector
3
Pedestal
controller PCB
DC controller
PCB
11-84
Checks
Turn off and then on the power
switch. Is the problem corrected?
Is the lattice connector of the DF
connected securely to the
connector J732 of the copier?
Replace the DC controller PCB. Is
the problem corrected?
Checks
Turn off and then on the power
switch. Is the problem corrected?
Is the lattice connector of the
cassette paper feeding unit
connected securely to the
connector J44 of the copier?
Replace the pedestal controller
PCB. Is the problem corrected?
COPYRIGHT © 1997 CANON INC.
YES/NO
YES
NO
YES
NO
YES/NO
YES
NO
YES
NO
CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
End.
Re-connect it.
End.
Replace the DC
controller PCB.
Action
End.
Re-connect it.
End.
Replace the DC
controller PCB.