Brother MFC990CW Service Manual page 289

Routing M: PF encoder/registration sensor harness
On the inner chute ASSY
Inner chute ASSY
On the lower cover
Registration sensor PCB
Registration sensor wires
Lower cover
(Rear)
Support arms
Cable guide
CR guide rail
Paper feed motor harness
Registration sensor wires (3-wire)
6-105
Cable guide
PF encoder/registration
sensor harness
(6_61_3)
PF encoder disk
PF encoder
sensor wires
(4-wire)
PF encoder/
registration
sensor harness
(7-wire)
(6_74_2)
Confidential