Canon iR1200 Series Service Manual page 351

PCBs
Ref. Name
1 Image processor PCB
2 DC controller PCB
3 Analog processor PCB
4 Control panel PCB
5 Sensor PCB
6 Power supply PCB
7 Printer controller PCB
8 NCU PCB*1
9 Modular jack PCB*1
10 Laser scanner motor driver
11 Laser driver BD PCB
12 Main motor driver
13 Sensor relay PCB
[10]
[11]
[13]
F-13-11
T-13-4
Description
image processing control
DC load control
contact sensor drive, analog image processing
control panel control
ADF (copyboard cover) open/close detection,
contact sensor home position detection
low-voltage power supply control
computer combination control
fax communication control
telephone line connection
laser scanner motor drive
laser drive, laser beam detection
main motor drive
Relay between the humidity sensor/the toner bottle
sensor and the DC controller PCB
[12]
Chapter 13
13-11