Brother DCP-9055CDN Service Manual page 219

(4) Remove the two Taptite bind S M3x8 screws from the back of the Side cover L.
(5) Release the Hooks 1 and 2 at the same time, and then release the Hooks 3 to 6 in
numerical order. Release the Hook 7. Release the Hooks 8 and 9 to remove the Side
cover L from the Main body.
Hook 9
Hook 6
Side cover L
Hook 4
Fig. 3-19
Hook 7
Hook 8
Hook 3
Hook 2
Fig. 3-20
3-38
Side cover L
Taptite bind S M3x8
<Back side>
Main body
Hook 5
Hook 1
<Front>
Confidential