Brother HL-5130 Service Manual page 143

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY
(2) Disconnect the LD harness 5P from the laser unit.
(3) Disconnect the polygon motor harness and remove the sponge from the laser unit.
(4) Remove the six cup S M3x8 Taptite screws, and then remove the laser unit.
LD harness 5P
Taptite, cup S M3x8
(5) Remove the shutter arm C.
Laser unit
Fig. 4-74
Fig. 4-75
4-42
Sponge
Polygon motor harness
Taptite, cup S M3x8
Shutter arm C
Frame L