Brother DCP-9045CDN Service Manual page 259

(14) Remove the two bind B M4x12 Taptite screws, and then remove the Wireless LAN PCB
ASSY from the Joint cover ASSY. (MFC-9840CDW only)
(15) Disconnect the connector from the Wireless LAN PCB ASSY. (MFC-9840CDW only)
<Bottom>
(16) Release the Hook to remove the Wireless LAN PCB ASSY from the Wireless LAN PCB
holder. (MFC-9840CDW only)
Connector
Fig. 3-165
Wireless LAN PCB ASSY
Wireless LAN PCB holder
Fig. 3-166
3-126
Taptite, bind B M4x12
Wireless LAN PCB ASSY
Joint cover ASSY
Hook
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