Canon iR4570 Series Service Manual page 751

Ref. Name
[9] Fax board PCB
[10] Laser driver PCB
[11] G3 fax power supply PCB
[12] Modular PCB
[13] High-voltage power supply
PCB
[14] Printer power supply PCB
[15] Controller power supply
PCB
[16] AC driver PCB
[17] Accessories power supply
PCB
[18] Environment switch PCB
(100, 230 V)
[19] DC controller PCB
[20] Main controller PCB
[21] Expansion bus PCB
[22] USB board
[23] Uninterruptive power supply
PCB
Parts No.
FM2-2789 Fax unit control
Scanner unit Laser unit drive control
FM2-0276(iR2230/
2230F/2830)
FM2-0334(iR3530)
FM2-0860 G3 fax power supply
FM2-0343 Line I/F
FM2-0261 High-voltage power supply
Main power supply PCB Printer power supply
unit
FM2-0260(100/115V)
FM2-02458(230V)
FM2-2764 Controller power supply
Main power supply PCB AC drive
unit
FM2-0260(100/115V)
FM2-02458(230V)
FK2-0338(100/115V) Accessories power supply
FK2-0339(230V)
FG3-2797 Heater power switch
FM2-2767 Controls the printer unit/
accessories.
FM2-3226 Processes image data for
output to the printer unit.
FM2-2804 Interface
FM2-3010 USB interface
FK2-0340(100/115V) Supplies uninterruptive
FK2-0341(230V) power.
Description