Canon ImageRunner iR8500 Series Service Manual page 783

[11]
[15]
[12]
[3]
[5]
[4]
[6]
Name
CCD/AP PCB
Reader controller PCB
Pixel/line conversion PCB
Differential PCB
Main controller PCB
DC controller PCB
Laser driver PCB 1
Laser driver PCB 2
Scanner motor drive PCB
DC power supply PCB
HV-DC PCB
HV-AC PCB
All-day power supply PCB
Relay PCB
Bi-Centronics PCB
Fluorescent lamp inverter PCB
Drum heater control PCB
BD PCB
Potential control PCB
[27]
[16]
[2]
[23]
[20]
[13]
[10]
[14]
[30]
F-15-41
T-15-33
Notation Function
PCB1 Drives the CCD/processes analog images.
PCB2 Controls the reader unit.
PCB3 Executes pixel/line conversion.
PCB4 Executes communication signal conversion.
PCB5 Controls the system.
PCB6 Controls the printer unit.
PCB7 Drives the laser diode.
PCB8 Controls the laser intensity.
PCB9 Drives the scanner motor.
PCB10 Supplies DC power.
PCB11 Generates high-voltage DC components.
PCB12 Generates high-voltage AC components.
PCB13 Supplies DC power.
PCB14 Distributes DC power supply.
PCB15 Serves as a download interface.
PCB16 Controls the activation of the fluorescent lamp.
PCB17 Drives the drum heater.
PCB18 Detects the laser beam.
PCB19 Controls the drum surface potential.
[9]
[1]
[7]
[31]
[8]
[26]
[28]
[31]
[19]
[32]
[31]
[29]
[30]
[18]
[17]
[22]
[24]
[25]
Chapter 15
15-55