Electronics; General Block Diagram - Brother DCP-8070D Service Manual

2. ELECTRONICS

2.1

General Block Diagram

Main fan
Toner
sensor PCB
(Light
Power supply fan reception)
Sensor PCB
(PE+PEDGE)
MP sensor PCB
Tray1 solenoid
Regist solenoid
MP solenoid
Front cover
sensor ASSY
Toner LED PCB
(Light emission)
(Main fan)
High-voltage
power supply
Regist front
sensor
Regist rear
sensor
Front relay
PCB
New toner
sensor
Main PCB
Wireless LAN
(Wireless LAN model)
Polygon motor
Laser diode PCB
Laser unit
NCU PCB
Scanner module
Home position
sensor (CCD model)
Scanner motor
Document scanner
unit ASSY
Speaker ASSY
Fig. 2-2
2-2
Low-voltage power supply
Rear relay
Fuser thermistor
PCB
Paper eject
DX unit sensor PCB
sensor
DX solenoid
LT sensor PCB
(PE+PEDGE)
LT PCB
LT solenoid
LT1
Main motor
Panel PCB
ADF relay Document eject sensor
PCB
(CIS model)
Document front sensor 1
Document front sensor 2
Document rear sensor
Switch back sensor
ADF cover open sensor
(CIS model)
FB cover sensor
(CCD model)
ADF
Battery
Confidential