Canon iR5000 Service Manual page 649

CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
DC power supply fan (FM6), DC controller PCB
3) Try replacing the DC power supply fan. Is the problem corrected?
YES: End.
NO:
4.1.43 E805
a. E805-0001
Foreign object
1) Is there a foreign object that hinders the rotation of the fan in the
YES: Remove the foreign object.
Connector
2) Is the connector (J111) on the DC controller PCB connected se-
NO:
Heat discharge fan (FM3), DC controller PCB
3) Try replacing the heat discharge fan. Is the problem corrected?
YES: End.
NO:
b. E805-0002
Foreign object
1) Is there a foreign object that hinders the rotation of the fan in the
YES: Remove the foreign object.
Connector
2) Is the connector (J109) on the DC controller PCB connected se-
NO:
Feeding fan (FM1), DC controller PCB
3) Try replacing the feeding fan. Is the problem corrected?
YES: End.
NO:
4.1.44 E824
Foreign object
1) Is there a foreign object that hinders the rotation of the fan in the
YES: Remove the foreign object.
4-36 T
Check the wiring; if normal, replace the DC controller PCB.
rotating mechanism of the heat discharge fan?
curely?
Connect it securely.
Check the wiring; if normal, replace the DC controller PCB.
rotating mechanisms of the feeding fan?
curely?
Connect the connector securely.
Check the wiring; if normal, replace the DC controller PCB.
rotating mechanisms of the primary charging cooling fan?
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