Canon iR8500 Service Manual page 786

E220
(iR8500)
Main cause The fluorescent lamp activation is faulty. The light adjustment sensor is
faulty. The light adjustment control PCB is faulty. The inverter PCB is
faulty. The reader controller PCB is faulty.
Condition
0000 The fluorescent lamp does not reach a specific intensity within 10
E220
(iR7200)
Main Cause The lamp inverter PCB is faulty. The reader controller PCB is faulty.
Condition
0001 The lamp inverter PCB is found to have a fault.
E222
(Indicated if iR8500)
Main cause The lamp heater (H5) is faulty. The light adjustment control PCB is faulty.
The reader controller PCB is faulty. The wiring is faulty (short circuit, open
circuit).
Condition
0000 During initial activation after power-on, the heater does not reach
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secs after it is turned on (if the room temperature is 10°C or lower,
within 60 secs). Or, the activation detection signal (FL-DTCT)
does not go OFF within 5 secs after the fluorescent lamp is turned
off; during shading adjustment, the activation detection signal (FL-
DTCT) does not go ON within 60 secs after the fluorescent lamp is
turned on.
70°C within 5 mins after it is turned on. Or, during standby or
reading, the heater does not reach 75°C within 3 mins after it is
turned on.
2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
ERROR CODE
E-11