Brother HL-4140CN Service Manual page 397

(7) Remove the Taptite bind S M3x8 screw from the Fuser cover L.
(8) Release the Hook to remove the Fuser cover L from the Main body.
(9) Slide the Fuser cover in the direction of the arrow 9a to remove it to the front.
Main body
Fuser cover L
Taptite bind S M3x8
Hook
<Back side>
Fig. 7-7
9b
9a
<Back side>
Fig. 7-8
7-6
Main body
Fuser cover
Confidential