Brother HL-4140CN Service Manual page 185

(4) 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 R ASSY from the Main body.
Main body
Hook 5
Hook 1
* Inside of Side cover R ASSY
Hook 9
Hook 6
<Back>
Hook 4
Hook 8
Hook 7
"A"
Hook 2
Fig. 3-26
Hook 8
Hook 3
Fig. 3-27
3-37
Hook 3
Side cover R ASSY
<Right side>
Hook 8
Hook 7
Hook 2
Hook 9
Hook 6
Hook 8
Hook 4
Hook 5
Side cover R ASSY
Hook 1
<Front>
Confidential