Canon DADF-R1, Service Manual

Page: 205 / 222

Chapter 6
6-1
6.1 Service Error Code
6.1.1 E402
0013-3982
Cause
-
The belt motor (M2) is faulty.
- The belt motor clock sensor (PI 1) is faulty.
- The ADF controller PCB is faulty.
Detection
When the belt motor drive signal is generated, no clock signal is detected for 100 msec.
6.1.2 E404
0013-3983
Cause
-
Cause The delivery motor (M5) is faulty.
- The delivery motor clock sensor (PI 11) is faulty.
- The ADF controller PCB is faulty.
Detection
When the delivery motor drive signal is generated, no clock signal is detected for 200 msec.
6.1.3 E405
0013-3984
Cause
-
The separation motor (M4) is faulty.
- The separation motor clock sensor (PI 2) is faulty.
- The ADF controller PCB is faulty.
Detection
When the separation motor drive signal is generated, no clock signal is generated for 200 msec.
6.1.4 E410
0013-3985
Cause
-
The pickup motor (M3) is faulty.
- The pickup roller height sensor 1 (PI 8) is faulty.
- The pickup roller height sensor 2 (PI 9) is faulty.
- The pickup roller home position sensor (PI 7) is faulty.
- The ADF controller PCB is faulty.
Detection
- The pickup roller height sensor 1 (PI 8) and the pickup roller height sensor 2 (PI 9) do not generate a signal
within 2 sec after the pickup motor has been driven.
- The pickup roller home position sensor (PI 7) does not generate a signal within 2 sec after the pickup motor
has been driven.
6.1.5 E420
0013-3986
Cause
The backup data cannot be read; or, the data that has been read has an error.
Detection
When the copier is turned on, the backup data cannot be read twice; or, the data that has been read has an error.