Canon imageRUNNER ADVANCE 4551i Service Manual page 129

Arrangement of Sensors
No.
S1 Cassette 1 Pickup Sensor
S2 Cassette 1 Paper Sensor
S3 Cassette 1 Paper Level Sensor B
S4 Cassette 1 Paper Level Sensor A
S5 Pre-Registration Sensor
S6 Loop Sensor
S7 Duplex Feed Sensor
S9 Multi-Purpose Tray Paper Sensor
Name
116
S24
S22
S21
S19
S6
S7
S5
S9
S1
S2
S3 S4
S33
S31
S34 S32
No.
S19 Fixing Outlet Sensor
S21 No.1 Delivery Sensor
S22 No.2 Delivery Sensor
S24 Reversal Sensor
S31 Cassette 2 Paper Sensor
S32 Cassette 2 Paper Level Sensor A
S33 Cassette 2 Pickup Sensor
S34 Cassette 2 Paper Level Sensor B
2. Technology
Name