Controlling The Main Motor; Reproduction Processes - Canon iR1200 Series Service Manual

3.1.15 Controlling the Main Motor

The rotation of the machine's main motor (M1) is controlled by the drive signal (MON) generated by the DC
controller PCB.
The machine keeps the following ON at all times using the drive of the main motor, thereby moving paper at the
selected printing speed:
- vertical path roller
- registration roller
- primary charging roller
- developing cylinder
- photosensitive drum
- transfer charging roller
- fixing pressure roller
- delivery roller
The machine uses the activation of the cassette pickup solenoid or the manual feed pickup solenoid as a trigger
(occurring when the main motor is ON) to drive the following pickup rollers for a specific period of time:
- cassette pickup roller
- manual feed pickup roller

3.1.16 Reproduction Processes

The machine uses an indirect electrostatic method, and is constructed as shown in the following figure:
Primary charging roller
Main motor
Photosensitive
drum
Delivery Fixing Transfer
roller pressure charging
roller roller
F-3-3
Developing cylinder
Manual feed pickup roller
Vertical path roller
Registration roller
Cassette pickup roller
Chapter 3
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