Canon iR8500 Service Manual page 790

• ADF (E400 to E420)
E400
(Indicated if iR8500)
Main cause The communication cable between ADF and the copier is faulty. The ADF
controller PCB is faulty.
Condition
0000 While the ADF is in standby, the communication with the copier is
E402
(Indicated if iR8500)
Main cause The belt motor (M2) in the ADF is faulty. The belt motor cl•ck sensor (PI1)
is faulty. The ADF controller PCB is faulty.
Condition
0000 When the belt motor drive signal is generated, no clock signal is
E404
(Indicated if iR8500)
Main cause The delivery motor (M5) is faulty. The delivery motor clock sensor (PI11)
is faulty. The ADF controller PCB is faulty.
Condition
0000 When the delivery motor drive signal is generated, no clock signal
E405
(Indicated if iR8500)
Main cause The separation motor (M4) is faulty. The separation motor clock sensor
(PI2) is faulty. The ADF controller PCB is faulty.
Condition
0000 When the separation motor drive signal is generated, no clock sig-
COPYRIGHT© 2001 CANON INC.
disrupted for 5 secs or more. Or, when ADF is in operation, the
communication with the copier is disrupted for 0.5 sec or more.
generated for 100 msec.
is generated for 200 msec.
nal is generated for 200 msec.
2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
ERROR CODE
E-15