Brother DCP-9055CDN Service Manual page 291

(3) Release the three Hooks to remove the Wireless LAN PCB from the Wireless LAN holder.
Hook
3b
(4) Disconnect the Connector of Main wireless LAN harness ASSY from the Wireless LAN
PCB.
Connector
Main wireless LAN
harness ASSY
Harness routing: Refer to
3a
Fig. 3-147
Fig. 3-148
" Wireless LAN PCB"
3-110
Wireless LAN PCB
Hook
Hook
Wireless LAN PCB
Wireless LAN holder
Confidential