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CHAPTER 13 TROUBLESHOOTING
13-100
COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
56 E804
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 power supply cooling fan
(1/2)?
Is the connector (J505) on the DC
controller PCB connected securely?
Replace the power cooling fan (1/2). Is
the problem corrected?
Yes/No
NO
YES
NO
YES
Cause
Foreign matter
Connector
Power cooling
fan 1/2 (FM11/
FM12)
DC controller
PCB
57 E805
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 fixing heat discharge fan?
Is the connector (J503) on the DC
controller PCB connected securely?
Replace the fixing heat discharge fan
(FM2). Is the problem corrected?
Yes/No
YES
NO
NO
YES
Cause
Foreign matter
Connector
Fixing heat
discharge fan
(FM2)
DC controller
PCB
58 E820
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 drum fan?
Is the connector (J512) of the DC
controller PBC connected securely?
Replace the drum fan (FM8). Is the
problem corrected?
Yes/No
YES
NO
NO
YES
Cause
Foreign matter
Connector
Drum fan (FM8)
DC controller
PCB