Canon Image Reader-A1 iR5000i Service Manual page 685

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:
4.1.43 E824
Foreign object
1) Is there a foreign object that hinders the rotation of the fan in the
YES: Remove the foreign object.
Fan (direction, mounting condition)
2) Are the orientation and the mounting of the primary charging cool-
NO:
Connector
3) Is the connector (J103) on the DC controller connected securely?
NO:
Primary charging cooling fan (FM6), DC controller PCB
4) Try replacing the primary charging cooling fan. Is the problem cor-
YES: End.
NO:
COPYRIGHT © 2001 CANON INC.
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
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?
ing fan normal?
Mount the cooling fan correctly.
Connect the connector securely.
rected?
Check the wiring; if normal, replace the DC controller PCB.
2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001
4-37 T