Canon IR3300, IR2800 Outline of the Electrical Circuitry, Construction of the Electrical Circuit

CHAPTER 1 GENERAL DESCRIPTION

3.2 Outline of the Electrical Circuitry

3.2.1 Construction of the Electrical Circuit

The major electrical mechanisms of the machine are controlled by the following PCBs:

[1]Man controller PCB; controls the system as a whole, processes images

[2]DC controller PCB; controls the printer unit, controls the finisher communication

[3]Reader controller PCB; controls the reader unit, controls the DADF communication

	CPU	Control
		panel
	(IC6501)
		PCB
	DIMM
	ROM
		RAM
BD	CPU
PCB
	(IC300)
Laser
drive	SRAM
PCB	(IC302)
Drum
sensor	ROM
PCB
	(IC301)
Pickup	GATE
PCB	ARRAY
DC loads	(IC334)
• Clutch
• Solenoid	PIO
• Motor	(IC303)

•Sensor

•Fan

•Etc.

		IPC
Finisher
		(IC309)
(accessory)
	DC controller
	PCB

HDD

Accessory

boards

CPU (IC1010)

Main controller PCB

CPU
(IC400)
ROM	M400
(IC401)
	Scanner
RAM	motor
(IC402)
EEPROM	CCD
(IC403)	PCB
IPC	ADF
(IC404)
Reader
controller PCB
LAMP1
Inverter
PCB

Accessories Main

power power

supply supply

PCB PCB

Composite

power supply

PCB

F01-302-01

1-14 S COPYRIGHT © 2001 CANON INC. CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001