Brother HL-4140CN Service Manual page 182

(4) Remove the two Taptite cup 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. Hold the "A" section and lift the cover to release the Hook 7.
Lower the cover, and then lift it again and release the Hooks 8 and 9 to remove the Side
cover L from the Main body.
Hook 9
Hook 6
Hook 8
Hook 4
Hook 3
Side cover L
Assembling Note:
When assembling the Side Cover L, make sure to push "A" to the rear side of the main body
first, and then tighten the screws.
Side cover L
<Back side>
Fig. 3-20
Hook 7
Hook 2
Fig. 3-21
3-34
Taptite cup S M3x8
Main body
Hook 5
Hook 1
"A"
<Front>
Confidential