COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
CHAPTER 6 TROUBLESHOOTING
6-108
4.1.24 E111
Foreign matter
1) Is there foreign matter that prevents the rotation of the fan near the
laser scanner fan?
YES: Remove the foreign matter.
Connector
2) Is the connector J503 on the DC controller PCB connected se-
curely?
NO: Connect it securely.
Laser scanner fan (FM14), DC controller PCB
3) Try replacing the laser scanner fan (FM14). Is the problem cor-
rected?
YES: End.
NO: Replace the DC controller PCB.
4.1.25 E121-0001
Foreign matter
1) Is there foreign matter that prevents the rotation of the fan around
the scanner cooling fan?
YES: Remove the foreign matter.
Connector
2) Is the connector J503 on the Reader controller PCB connected se-
curely?
NO: Connect the connector securely.
Scanner cooling fan (FM3), Reader controller PCB
3) Try replacing the scanner cooling fan (FM3). Is the problem cor-
rected?
NO: End.
YES: Replace the Reader controller PCB.
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