Canon iR8500 Service Manual page 810

E800
Main cause The auto power-off circuit has an open circuit. The DC controller PCB is
faulty.
Condition
0000 An open circuit is detected for the auto power-off circuit for 3 secs
E804
Main cause The wiring is faulty (short circuit, open circuit). The power supply cooling
fan 1(FM11) is faulty. The power supply cooling fan 2 (FM12) is faulty.
The DC controller PCB is faulty. The main controller PCB is faulty.
Condition
0000 The lock signal is detected for 5 secs or more although the power
0004 The temperature around the main controller PCB is identified as
Caution In the case of a fault in the system fan (FM16), an alarm will be issued and
indicated under ALARM-2 (000804-0004).
E805
Main cause The wiring is faulty (short circuit, open circuit). The fixing assembly heat
discharge fan (FM2) is faulty. The DC controller PCB is faulty.
Condition
0000 The lock signal is detected for 5 secs or more although the fixing
E820
Main cause The wiring is faulty (short circuit, open circuit). the drum fan (FM8) is
faulty. The DC controller PCB is faulty.
Condition
0000 The lock signal is detected for 5 secs or more although the drum
COPYRIGHT© 2001 CANON INC.
or more.
supply cooling fan (1 and 2) is driven.
being 80°C or higher.
assembly heat discharge fan is driven.
fan is driven.
2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
ERROR CODE
E-35