Canon iR5000i Service Manual page 652

CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
Riser board, Main controller PCB
3) Try replacing the riser PCB. Is the problem corrected?
YES: End.
NO:
4.1.40 E743
Wrong operation
1) Turn off and then on the main power switch. Is the problem cor-
YES: Check the operation once again; if normal, end the work.
Connector, Main controller PCB
2) Is the connection of the connector (J1014) on the main controller
NO:
YES: Replace the main controller PCB.
4.1.41 E804
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 (J102) on the DC controller PCB connected se-
NO:
DC power supply fan (FM6), DC controller PCB
3) Try replacing the DC power supply fan. Is the problem corrected?
YES: End.
NO:
4.1.42 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:
4-36 T
Replace the main controller PCB.
rected?
PCB and the connector (J5004) on the reader controller PCB nor-
mal? Further, is the cable between these connectors normal?
Correct the connection/cable.
rotating mechanism of the DC power supply fan?
curely?
Connect the connector securely.
Check the wiring; if normal, replace the DC controller PCB.
rotating mechanism of the heat discharge fan?
curely?
Connect it securely.
COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001