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CHAPTER 2 FUNCTIONS & OPERATION
4. Electrical Circuits
An overview of the electrical circuits
block diagram of this machine is shown
below.
Sensor
Sensor
Sensor
Sensor
Switch
Skew sensor (R) PCB
Ultrasonic sensor
drive PCB
CIS unit (back)
CIS unit (front)
Document sensor
PCB
Operation PCB
Main motor
Feed motor
Control PCB
AC adapter
USB interface
Figure 2-104
2-4
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CANON ELECTRONICS INC. 2011 CANON DR-M140 FIRST EDITION