Laser Unit - Brother HL-2250DN Service Manual

9.16 Laser Unit

(1) Disconnect the FFC of the High voltage power supply PCB ASSY from the Main PCB
ASSY, and remove the FFC of the High voltage power supply PCB ASSY from the Guide
of the Main frame L ASSY.
(2) Disconnect the FFC of the Laser unit from the Main PCB ASSY, and remove the FFC of
the Laser unit from the Guide of the Main frame L ASSY.
(3) Remove the four Taptite cup S M3x8 SR screws, and remove the Laser unit.
Taptite cup S M3x8 SR
Main PCB ASSY
FFC
(high voltage
power supply
PCB ASSY)
FFC (laser unit)
Assembling Note:
• Do not touch the Lens of the Laser unit directly.
Laser unit
Guide
Fig. 3-43
Fig. 3-44
3-45
Taptite cup S M3x8 SR
Laser unit
FFC
(high voltage power
supply PCB ASSY)
Lens
Confidential