Canon iR1600 Series Service Manual page 560

CHAPTER 13 TROUBLESHOOTING
E805
After the heat discharge fan drive signal is generated, the fan lock detec-
tion signal does not arrive for a specific period of time.
Possible cause The fan wiring is faulty (short circuit, open circuit). The heat discharge
fan (FM101) is fautly. The DC controller PCB is faulty.
Remedy
1) Foreign matter
YES : Remove the foreign matter.
2) Wiring, Connector
NO : Correct the wiring.
3) Heat discharge fan (FM101), DC controller PCB
YES : End.
NO : Replace the DC controller PCB.
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COPYRIGHT© 2002 CANON INC.
Is there foreign matter that prevents the rotation of the fan?
Is the connection and wiring of the connector (J951) of the heat
discharge fan (FM101) and the connector (J106) on the DC con-
troller PCB normal?
Try replacing the heat discharge fan (FM101). Is the fault cor-
rected?
2000 CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 2002