Block Diagram - Brother FAX-2840 Service Manual

2.4

Block Diagram

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