Canon iR6570 series Service Manual page 525

Ref. Name
[1] DC controller PCB
[2] DC power supply PCB
[3] AC driver PCB
[4] motor driver PCB
[5] HVT PCB
[6] potential PCB
[7] drum heater control PCB
[8] option power supply PCB
[9] duplexing drive PCB
[10] laser drive PCB
[11] BD developing PCB
[12] control panel keypad PCB
[13] control panel CPU PCB
[14] control panel inverter PCB
[15] rush-current prevention PCB
[16] capacitor PCB
[17] fixing heater power supply PCB controls the fixing heater
[18] main controller PCB
[19] differential PCB
[20] PCI expansion PCB
[21] drum cleaner thermistor PCB
[22] potential sensor PCB
T-14-19
Description
controls the power supply to the printer unit/
finisher
supplies DC power
controls the AC circuitry
controls the motor
generates high voltage
controls the surface potential of the
photosensitive drum
controls the drum heater
supplies power to the finisher
controls the sensors, motors, and solenoids
of the duplexing unit
controls the laser drive
detects the laser beam
controls the keys and LEDs
controls the control panel
adjusts the contrast of the control panel
prevents rush current to the fixing feeding/
duplexing unit
removes noise
performs digital image processing/system
control
converts communication signals
serves as a relay PCB
detects clogging of the cleaner
measures the photosensitive drum surface
potential
Parts No.
FM2-3646
FK2-0799 (100V/
120V)
FK2-0800 (230V)
FM2-3044 (100V; AC
driver unit)
FM2-3043 (120V; AC
driver unit)
FM2-3045 (230V; AC
driver unit)
FM2-3655
FM2-3653
FM2-3040
FM2-0841 (100V/
120V)
FM2-0842 (230V)
FK2-0797 (100V/
120V)
FK2-0798 (230V)
FM2-3654
FM2-3670 (laser
scanner unit)
FM2-1250
FM2-1249
FM2-1251
FG6-4978
FM2-3044 (100V; AC
driver unit)
FM2-3043 (120V; AC
driver unit)
FM2-3045 (230V; AC
driver unit)
FM2-3647 (100V)
FM2-3648 (120V)
FM2-3649 (230V)
FM2-3794
FM2-3796
FG3-1745 (option)
FM2-3661
FM2-3040
Chapter 14
14-17