E226 (Ir8500); E240; E241 (Ir8500) - Canon iR8500 Service Manual

CHAPTER 6 TROUBLESHOOTING

4.1.37 E226 (iR8500)

Foreign matter
1) Is there foreign matter that prevents the rotation of the fan around
YES: Remove the foreign matter.
Connector
2) Is the connector J503 on the Reader controller PCB connected se-
NO:
Scanner cooling fan (FM3), Reader controller PCB
3) Try replacing the scanner cooling fan (FM3). Is the problem cor-
NO:
YES: Replace the Reader controller PCB.

4.1.38 E240

DC controller PCB
1) Turn off and then on the power switch. Is the problem corrected?
YES: End.
NO:

4.1.39 E241 (iR8500)

Mounting condition
1) Is the original orientation detection PCB mounted securely?
NO:
Original orientation detection PCB, Reader controller PCB
2) Try replacing the original orientation detection PCB. Is the prob-
YES: End.
NO:
6-112
the scanner cooling fan?
curely?
Connect the connector securely.
rected?
End.
Replace the DC controller PCB.
Mount the PCB securely.
lem corrected?
Replace the DC controller PCB.
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001