24. E243
25. E710/E711
26. E712
27. E713
COPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 11 TROUBLESHOOTING
11-97
Cause
Malfunction
Connector
Sorter controller
PCB
DC controller
PCB
Checks
Turn on and off the power switch.
Is the problem corrected?
Is the connector (J703) connecting
the sorter and the copier securely
connected?
Replace the sorter controller PCB.
Is the problem corrected?
Step
1
2
3
YES/NO
YES
NO
YES
NO
Action
End.
Replace the DC
controller PCB.
End.
Replace the DC
controller PCB.
Cause
DC controller
PCB
Control panel
PCB
Checks
Turn on and off the power switch.
Is the problem corrected?
Replace the control panel PCB. Is
the problem corrected?
Step
1
2
YES/NO
YES
NO
YES
Action
End.
Replace the DC
controller PCB.
End.
Cause
Malfunction
Connector
RDF controller
PCB
DC controller
PCB
Checks
Turn off and then on the power
switch. Is the problem corrected?
Is the connector (J772) connecting
the RDF and the machine
securely connected?
Replace the RDF controller PCB.
Is the problem corrected?
Step
1
2
3
YES/NO
YES
NO
YES
NO
Action
End.
Replace the DC
controller PCB.
End.
Replace the DC
controller PCB.
Cause
Malfunction
DC controller
PCB
Checks
Turn on and off the power switch.
Is the problem corrected?
Step
1
YES/NO
YES
NO
Action
End.
Replace the DC
controller PCB.