Block Diagram - Brother MFC-9130CW Service Manual

2.4

Block Diagram

External temperature/humidity
sensor
Internal temperature sensor
Registration mark L PCB
Registration mark R PCB
Center thermistor
Side thermistor
Fuser unit
Low-voltage power supply PCB
LED ASSY (K)
LED ASSY (Y)
LED ASSY (M)
LED ASSY (C)
Document scanner motor
ADF motor
ADF cover/document detection sensor PCB
First side document scanning position sensor PCB
Second side document scanning position sensor PCB
Speaker
First side CIS unit
Second side CIS unit
Eject
sensor
PCB
LED control
PCB
Main PCB
Hight-voltage
power supply
PCB
Top cover
sensor
USB host PCB
Panel control
PCB
Modem PCB
Fig. 2-5
2-10
Process motor
(Drum, Belt, Develop (Y/M/C)
and Belt cleaner)
Main motor
(Paper feed, Fuser, Eject,
Develop (K), Duplex and
Develop release)
Registration clutch
Develop release clutch
Develop drive clutch (K)
Paper feed clutch
Develop release sensor PCB
Main fan
Drum unit
Toner cartridge
Belt unit
Waste toner box
Wireless LAN PCB
Back cover sensor
Registration front/rear/
manual feed sensor PCB
Paper feed sensor PCB
Color LCD
Touch panel
Key PCB
Confidential