Brother MFC-7290 - Block Diagram

2-10
Confidential
2.4 Block Diagram
Fig. 2-5
High voltage power
supply PCB ASSY
Main fan
Main PCB ASSY
Eject sensor
PCB
Paper ejection
sensor
Back cover
Center thermistor
Side thermistor
Registration front sensor
Heater switch
Registration rear sensor
Power supply switch
Low voltage power
supply PCB ASSY
Registration clutch ASSY
T1 clutch ASSY
Internal temperature thermistor
Control panel cover sensor
ADF motor
Main motor
Front
cover sensor
LCD
(handset models only)
Panel PCB ASSY
Document scanning
position sensor
New toner
sensor
PCB ASSY
Halogen heater
Laser unit
Fuser unit
Registration front/rear
sensor PCB ASSY
LD PCB
BD sensor
Polygon motor
Modem PCB ASSY
Speaker
Hook switch PCB ASSY
Document detection sensor
CIS unit