Brother DCP-9040CN Service Manual page 215

(7) Remove the three cup S M3x6 Taptite screws from the front side of the Joint cover ASSY,
and remove two cup S M3x8 Taptite screws from the left side.
<Left side>
Taptite, cup S M3x8
(8) Remove the three cup S M3x6 Taptite screws from the back side of the Joint cover ASSY.
<Front>
Fig. 3-97
Joint cover ASSY
Fig. 3-98
3-83
Joint cover ASSY
Taptite, cup S M3x6
< back side>
Taptite, cup S M3x6
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