Canon ImageRunner iR8500 Series, Service Manual, Page: 785 / 1122

Chapter 15
15-57
T-15-34
15.3.8 Plane Pedistal
15.3.8.1 Side Paper Deck-N1
0007-1019
iR105
F-15-43
Name Notation Function
Pixel/line conversion PCB PCB3 Executes pixel/line conversion.
Differential PCB PCB4 Executes communication signal conversion.
Main controller PCB PCB5 Controls the system.
DC controller PCB PCB6 Controls the printer unit.
Laser driver PCB 1 PCB7 Drives the laser diode.
Laser driver PCB 2 PCB8 Controls the laser intensity.
DC power supply PCB PCB10 Supplies DC power.
HV-DC PCB PCB11 Generates high-voltage DC components.
HV-AC PCB PCB12 Generates high-voltage AC components.
All-day power supply PCB PCB13 Supplies DC power.
Relay PCB PCB14 Distributes DC power supply.
Bi-Centronics PCB PCB15 Serves as a download interface.
Fluorescent lamp inverter PCB PCB16 Controls the activation of the fluorescent lamp.
Drum heater control PCB PCB17 Drives the drum heater.
BD PCB PCB18 Detects the laser beam.
Potential control PCB PCB19 Controls the drum surface potential.
AC driver PCB PCB20 Drive the fixing heater.
Environment sensor PCB PCB22 Detects the machine outside temperature/
humidity.
Stackless feeder driver PCB PCB23 Drives the duplex/feeder unit.
Cassette 3 paper level detection PCB PCB24 Detects the level of paper in the cassette 3.
Cassette 4 paper level detection PCB PCB25 Detects the level of paper in the cassette 4.
Laser scanner motor drive PCB PCB26 Drives the laser scanner motor.
Control panel PCB PCB31 Supplies inverter power.
Capacitor PCB (200V model only) PCB32 Prevents electrical noise
Control panel CPU PCB PCB33 Controls the control panel.
CCD/AP PCB PCB101 Drives the CCD/processes analog images.
Reader Controller PCB PCB102 Controls the reader unit.
Inverter PCB PCB103 Controls the activation of the lamp.
Fuse PCB PCB104 Controls the mirror/lens heater.
Differential PCB PCB105 Executes communication signal conversion.
PS1
PS3
PS2
PS4
PS6
PS5
PS8
PS9
SW2
SW100
SW1
PS7