Service manual

Chapter 13
13-64
F-13-12
T-13-228
PCBs
Ref. Name Description
1 Image processor PCB image processing control
2 DC controller PCB DC load control
3 Analog processor PCB contact sensor drive, analog image processing
4 Control panel PCB control panel control
5 Sensor PCB ADF (copyboard cover) open/close detection, contact
sensor home position detection
6 Power supply PCB low-voltage power supply control
7 Printer controller PCB*1 computer combination control
8 NCU PCB*2 fax communication control
9 Modular jack PCB*2 telephone line connection
10 Laser scanner motor driver laser scanner motor drive
11 Laser driver BD PCB laser drive, laser beam detection
12 Main motor driver main motor drive
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[11]
[10]