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COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
13-97
CHAPTER 13 TROUBLESHOOTING
44 E251
Step
1
2
3
Action
Remove the foreign
matter.
Connect the connector
securely.
End.
Replace the DC
controller PCB.
Checks
Is there foreign matter that hinders the
rotation of the inverter cooling fan?
Is the connector (J507) on the DC
controller PCB connected securely?
Replace the inverter cooling fan (FM7). Is
the problem corrected?
Yes/No
YES
NO
NO
YES
Cause
Foreign matter
Connector
Inverter cooling
fan (FM7)
DC controller
PCB
46 E320
Action
Connect the connectors
securely.
End.
Replace the image
processor PCB.
Checks
Is the connection of the connectors of the
CCD PCB (J1502) and the image
processor PCB (J1105) secure?
Replace the CCD PCB. Is the problem
corrected?
Yes/No
NO
YES
NO
Cause
Connector
CCD PCB
Image processor
PCB
45 E302
Step
1
2
3
4
5
Action
Connect the connectors
securely.
Correct the problem.
End.
End.
End.
Replace the MFC PCB.
Checks
Is the connection of the connectors of the
page memory PCB and the image
processor PCB (J1110) secure?
Are the connection and the cable between
the MFC PCB (J1402, J1403) and the
image processor PCB (J1102, J1103)
normal?
Replace the page memory PCB. Is the
problem corrected?
Replace the image server (HD). Is the
problem corrected?
Replace the image processor PCB. Is the
problem corrected?
Yes/No
NO
NO
YES
YES
YES
NO
Cause
Connector
Wiring
Page memory
PCB
Image server
(HD)
Image processor
PCB
MFC PCB
47 E601
Step
1
2