Canon DADF-M1 Service Manual page 104

Chapter 3
[1]
F-3-77
3.5.7.3
Removing the
Delivery
Sensor
1) Remove the 2 screws [1], and
disconnect the connector [2]; then, detach
the delivery reversal sensor [3].
3-32
[2]
[1]
Reversal
0004-8963
[2]
F-3-78
If you have replaced the sensor PCB,
be sure to perform sensor adjustment.
[1]
[3]