Canon imageRUNNER ADVANCE 4551i Service Manual page 54

Key No.
[5] ADF Pickup Motor
[6] ADF Read Motor
[7] ADF Cooling Fan
[8] ADF Driver PCB
Drive Configuration List
This equipment is a document feeder for stream reading only.
This equipment has 3 motors, 1 clutch, and 1 solenoid as drive load.
It also has 1 document reading unit (Scanner Unit) for the back side of originals.
The drive configuration of this equipment is indicated below.
Code
STM1 ADF Registration Motor
STM2 ADF Pickup Motor
STM3 ADF Read Motor
CL1 ADF Pickup Clutch
SL1 ADF Stamp Solenoid
List of Rollers
Name
M1
M3
Name
Drive of Pickup Roller
Drive of Registration Roller, paper feed
Lead Roller, Delivery Roller drive, Glass shift
ON/OFF of Pickup Roller Unit lifting operation
Stamp drive
[7] [6]
[8] [9] [10] [11] [12] [13]
M2
CL1
SL1
[5] [4] [3] [2]
[14] [15]
41
Code
STM2
STM3
FAN_A1
UN_BO1
Role
[1]
2. Technology