Block Diagram - Brother DCP-7090 Service Manual

2.4 Block Diagram

ADF unit
Duplex scan model only
Second side CIS unit
ADF cover sensor
Document detection
sensor PCB
Document scanning
position sensor PCB
ADF motor
Document scanner unit
First side CIS unit
FB motor
Wireless LAN model only
Wireless LAN PCB
Toner box model only
Toner box solenoid
New toner box sensor
PCB
New toner sensor PCB
MP model only
MP solenoid
MP paper empty
sensor PCB
T1 paper empty/paper feed sensor PCB
T1 paper empty sensor
T1 paper feed sensor
Manual feed slot model only
T1 paper feed sensor PCB
T1 paper feed sensor
Back cover/duplex tray
sensor
Fuser unit
Center thermistor
Side thermistor
Main heater
MP model only
Sub heater
Toner box
relay PCB
Main PCB
MP
relay PCB
Eject
sensor PCB
Eject sensor
Low-voltage
power supply
PCB
Non touch panel model only
Touch panel model only
LCD
FAX model only
Hand set model only
High-voltage
power supply
PCB
Toner box
model only
New toner
sensor
light emission
New toner
box sensor
light emission
Front cover sensor
Cartridge sensor model only
Cartridge sensor
Laser unit PCB
Polygon motor
Paper feed motor
Registration clutch
T1 clutch
Speaker
Fig. 2-9
2-14
Panel PCB
LCD
Panel PCB
Key PCB NFC PCB
NFC model
only
Touch panel
Modem PCB
Hand set
Hook switch PCB
Fan
New toner sensor PCB
Registration front/rear
sensor PCB
Laser unit
Confidential