Brother MFC-J6510DW Service Manual page 257

(27) Remove the screw that secures the PF encoder sensor PCB and its support. This completely
separate the PF encoder/PF sensor harness unit from the engine unit.
(28) Remove the two screws and remove the paper feed motor from its frame.
Latch
PF encoder
sensor harness
PF encoder sensor PCB
Screw, bind
M2x12
Paper feed motor harness
PF encoder sensor PCB
Paper feed motor
harness threaded
through the cutout
provided in the
encoder PCB
support
Encoder PCB
support
Latch
Cutout
Screw, bind
M2.6x4
3-132
Ferrite core
PF motor frame
Paper feed motor
(3_104)
Confidential