Low-Voltage Power Supply Pcb Assy - Brother HL-1850 Service Manual

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY
(16) Remove the gear 60 P/R and gear 72 MP from the conductor bearing 5, and remove the
middle roller gear from the conductor bearing H.
(17) Remove the two conductor bearing 5.
(18) Turn the knob of the conductor bearing H as the figure shown below, and remove the
conductor bearing H from the main frame L.
3.16

Low-voltage Power Supply PCB ASSY

(1) Remove the eight cup S tite 3x6 screws and the pan M3.5x6 screw with washer and the
lead wire FG, and then disconnect the engine PCB connector.
(2) Remove the PS PCB ASSY from the main frame.
Gear 72 MP
Conductor bearing 5
Conductor bearing H
PS PCB
PS PCB ASSY
(knob)
Fig. 4-81
Main frame
Screw, cup S tite 3x6
4-52
Gear 60 P/R
Middle roller gear
Conductor bearing 5
Conductor bearing H
Screw, cup S tite 3x6
Screw, pan M3.5x6
with washer
Lead wire FG
Screw, cup S tite 3x6
Screw, cup S tite 3x6