Canon IR2200, IR3300, IR2800 manual Ccd Pcb

CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS

6.2.7 PCBs

• Reader Unit
Ref.	Description	Remarks
Name
[12]	Controls the reader unit/ADF.
Reader controller PCB
[13]	Drives the CCD.
CCD PCB
[14]	Controls the scanning lamp.
Inverter PCB

• Printer Unit

Ref.	Description	Remarks
Name
[1]	Controls the generation of
Composite power supply PCB	high voltage.
[2]	Controls the supply of DC .
Main power supply PCB	power
[3]	Controls the main power
Switch PCB	switch/heater.
[4]	Controls the printer unit.
DC controller PCB
[5]	Controls the pickup assembly.
Pickup PCB
[6]	Controls laser drive.
Laser driver PCB
[7]	Controls the supply of power
Accessories power supply PCB	to the finisher/paper deck.
[8]	Detects temperature of the drum.
Drum sensor PCB
[9]	Controls keys and LEDs.
Control panel PCB
[10]	Controls digital image	Includes counter PCB,
Main controller PCB	processing/system.	soft IDPCB, Centronics PCB.
[11]	Controls the DC-DC converter.	200V model only.
Thermistor separation power
supply PCB

COPYRIGHT © 2001 CANON INC. CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001 4-65 T