Brother DCP-8070D Service Manual page 192

(28) Disconnect the harness of the wireless PCB ASSY.
(29) Slide the Sub duct to the direction of 29b while pressing the Hook to the direction of 29a
and remove the Sub duct from the Air duct.
Wireless PCB harness
29a
(30) Remove the Filter from the Air duct.
Note :
• The filter is dirt. Be careful when disassembling or assembling it.
Air duct
28
29b
29c
Sub duct
Hook
Fig. 4-19
Filter
Fig. 4-20
4-13
Hooks
<Back side>
Air duct
Confidential