Brother DCP-9010CN Service Manual page 297

(5) Remove the ADF sensor PCB ASSY from the Lower document chute ASSY.
(6) Remove the ADF sensor harness ASSY from the ADF sensor PCB ASSY.
6
ADF sensor harness ASSY
ADF sensor PCB ASSY
5b
5a
Lower document chute ASSY
Fig. 5-56
Harness routing: Refer to " ADF Unit."
5-70
Confidential