Brother DCP-9040CN Service Manual page 218

(16) Remove the three bind B M3x8 Taptite screws, and then remove the USB holder and USB
host relay PCB ASSY (MFC-9440CN/ 9450CDN only).
(17) Disconnect the Main USB host harness ASSY from the USB host relay PCB ASSY. (MFC-
9440CN/ 9450CDN only)
Taptite, bind B 3x8
Joint cover ASSY
Fig. 3-103
Main USB host harness ASSY
USB host relay PCB ASSY
Fig. 3-104
3-86
Taptite, bind B 3x8
USB holder
USB host relay PCB ASSY
(MFC-9440CN/ 9450CDN only)
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