Canon iR8500 Service Manual page 791

ERROR CODE
E410
(Indicated if iR8500)
Main cause The pickup motor (M3) is faulty. The pickup roller height sensor 1 (PI8) is
faulty. The pickup roller height sensor 2 (PI9) is faulty. The pickup roller
home position sensor (PI7) is faulty. The ADF controller PCB is faulty.
Condition
0000 When the pickup motor is driven, no signal is generated by the
E412
(iR8500)
Main cause The cooling fan (FM1) is faulty. The ADF controller PCB is faulty.
Condition
0000 The lock signal arrives for 100 msec or more although the cooling
E412
(iR7200)
Main cause The cooling fan (FM1) is faulty. The ADF controller PCB is faulty.
Condition
0001 While the cooling fan is being driven, the lock signal (FMLCK)
E420
(iR8500)
Main cause The EEPROM is faulty. The ADF controller PCB is faulty.
Condition
0000 When the power switch of the host machine is turned on, the
E-16
pickup roller height sensor 1 (PI8) or 2 (PI9). Or, when the pickup
motor is driven, no signal is generated by the pickup roller home
position sensor (PI7) within 2 secs.
fan is driven.
arrives for 100 msec or more.
backup data of EEPROM cannot be read. Or, the data, although
read, has a fault.
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001