Engine Pcb - Brother HL 5030 - B/W Laser Printer Service Manual

3.17

Engine PCB

(1) Disconnect the fifteen connectors.
Fan motor 60 unit connector
Polygon motor connector
Fan motor 60 connector
LVPS connector
HVPS connector
Engine PCB ASSY
Cassette sensor PCB connector
(2) Remove the two bind B M4x12 Taptite screws, and then remove the engine PCB ASSY.
Engine PCB ASSY
LT connector
Fig. 4-75
Taptite, bind B M4x12
Fig. 4-76
4-43
HL-5030/5040/5050/5070N SERVICE MANUAL
Toner sensor
(light reception) connector
Thermistor relay PCB connector
Main motor connector
Main PCB connector
Toner sensor
(light emission) connector
MP tray PCB connector
FR solenoid connector
PF solenoid connector