Brother HL-1112 - Block Diagram

1-6
Confidential
2.4 Block Diagram
Fig. 1-3
High voltage power supply PCB
Low voltage power supply PCB
Polygon motor
Main PCB
Main motor
Thermostat
Halogen
heater
Fuser unit
Laser unit
AC-DC converter
Motor driver
EEPROM Serial ROM
ASIC
LED
Pick-up
solenoid
New toner sensor PCB
Laser
control
PCB
Eject sensor PCB
Paper feed
sensor
Paper printing
position sensor
Paper feed/paper printing
position sensor PCB
Motor encoder PCB
Relay
TRIAC
Encoder
Eject sensor
Thermistor
(Center)