Brother DCP-8070D Service Manual page 315

(2) Remove the cup S M3x6 Taptite screw, remove the ADF FG harness and FB FG
harness.
(3) Disconnect the Connector from the Driver PCB.
(4) Disconnect the two Connectors from the Main PCB.
<Left side>
Connector
(ADF motor harness)
ADF FG harness
FB FG harness
Taptite cup S M3x6
Connector
(Document cover sensor)
Connectors
(ADF relay harness)
(5) Remove the two bind B M4x12 Taptite screws, and then remove the Document cover.
Main PCB
Fig. 5-38
5a
Fig. 5-39
5-62
Driver PCB
5b
Taptite, bind B M4x12
Taptite, bind B M4x12
Driver PCB
Main PCB
Document cover
<Back side>
Confidential