Brother DCP-L8400CDN Service Manual page 480

(23) Release the eight Hooks and remove the Joint cover top from the Main body.
Joint cover top
Hook
Hook
(24) Remove the Screw pan (S/P washer) M3.5x6 screw and remove the Modem FG harness
from the Main PCB plate.
(25) Disconnect the Modem flat cable (CN28) from the Main PCB ASSY.
Modem FG harness
<Back side>
Screw pan (S/P washer) M3.5x6
Hook
Fig. 7-39
CN28
24
Main PCB plate
Fig. 7-40
7-23
Hook
Hook
Main body
25
Main PCB ASSY
Modem
flat cable
Confidential