Outline For The Electrical Circuitry; Outline; Dc Controller Pcb - Canon iR2200 Service Manual

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CHAPTER 2 SEQUENCE OF OPERATIONS

1.2 Outline for the Electrical Circuitry

The major electrical mechanisms of the printer unit are controlled by the CPU on the DC

controller PCB. The functions of the major elements are as follows:

• Controls jobs, Controls operational state, Controls fixing temperature, Controls

high voltage.

• Controls toner supply, Controls paper feed, Controls print sequence, Controls out-

• Controls motors, Controls accessories

• Controls communication with the controller block, Controls service mode

• Stores service mode data

• Stores user mode data

• Stores control data

• Flash memory for storage of the control programs

• Mask ROM for control programs (for figure support)

T02-102-01 Control Functions

controller PCB

controller PCB

DC controller

2000 2000 2000 2000

Composite power

CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001

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Ir2800 Ir3300