Brother HL-4140CN Service Manual page 411

(19) Release the three Hooks 1, and then release the Hooks 2 to 7. Insert a screwdriver into
the hole to release the Hook and press the Hook 8 with the screwdriver to release it.
Release the Hook 9 by pressing it with a screwdriver to remove the Top cover ASSY from
the Main body.
Hook 6
Hook 7
Hook 8
Hook 9
Main body
(20) Disconnect the Flat cable from the Develop FFC holder.
(21) Release the two Hooks to remove the Develop FFC holder from the Upper cable rack.
Develop FFC holder
Hook
Hook
<Left side>
Hook 4
Hook 5
Fig. 7-34
Upper cable rack
Fig. 7-35
7-20
Hook 3
Hook 2
Top cover ASSY
Hook 1
<Front>
Confidential