Brother HL-7050 Service Manual page 105

CHAPTER 3 THEORY OF OPERATION
Network
Board
Back Light
PCB
Main PCB
Panel PCB
Low-Voltage
Power Supply
PCB
Engine PCB
Fixing Unit
Halogen
Heater
Lamp
Laser Unit
LD PCB
Cover Open Sensor
Polygon Motor
Toner Cartridge
Tonor Sensor
High-
Voltage
Primary Charging Roller
Power
Supply
Development Roller
PCB
Transfer Roller
Paper Feed Solenoid
Main Motor
Paper Feed Motor
Thermistor (for Hear Roller)
Interlock Switch
MP Splenoid
Mp Paper Empty Sensor
Tray Paper Empty Sensor
Paper Size / Tray ID Sensor
Pre-regist Sensor
Regist Sensor
Face Up Tray Open Sensor
Stuck Full Sensor
Fuser Exit Sensor
Eject Sensor
Feeder Clutch
Registration Clutch
Developer Clutch
Toner LED
Toner Sensor
LVPS Fan
Ozon Fan
Main Fan
Smell Fan
Release Motor
Release HP Sensor
Fig. 3-5
3-10