Brother HL-2270DW - Laser Unit

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