Brother HL-5440D Service Manual page 298

2.3 Laser unit
(1) Open the back cover.
(2) Remove the two taptite cup B M4x12 screws from the back side of the side cover L and
the side cover R.
Side cover R
(3) Remove the two taptite cup B M4x12 screws from the front side of the side cover L and
the side cover R.
Side cover L
Taptite cup B M4x12
Fig. 7-9
Fig. 7-10
7-7
Side cover L
Back cover
Side cover R
Taptite cup B M4x12
Confidential