Brother DCP-8070D Service Manual page 197

(7) Install the Sub duct into the Air duct.
(8) Connect the harness of the wireless PCB ASSY.
Wireless PCB harness
(9) Insert the bosses of the Joint cover and hook on the cover, then secure the Joint cover
with the four bind B M4x12 Taptite screws.
Bosses
Hook
Taptite bind B M4x12
Hook
Air duct
8
7b
7a
Fig. 4-26
9a
Hook
Fig. 4-27
4-18
Hooks
<Back side>
Sub duct
Joint cover
Taptite bind B M4x12
5
9b
Taptite bind B M4x12
<Front side>
Hook
Hook
Confidential