Canon iR8500 Servise Manual page 633

• ADF (E400 to E420)
E400
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
Main cause The belt motor (M2) in the ADF is faulty. The belt motor clock 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
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
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-
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disrupted for 5 sec 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 REV.0 MAR. 2001
ERROR CODE
E-13