Brother MFC990CW Service Manual page 213

(22) Remove the two screws, take the ADF motor off the ADF drive unit, and disconnect the
ADF motor harness from the motor.
Cable guide
ADF motor harness
Cable guide
ADF motor harness
Grounding wire
Screw, pan (s/p washer)
M3x6
Assembling Note: When securing the ADF motor to the ADF drive unit with two screws,
be sure to secure the grounding wire also with one of those screws. (See the illustration
above.)
ADF motor
Grounding wire
(Rear)
ADF motor harness and
document front and rear
sensor harnesses
6-29
ADF motor
ADF drive unit
Document rear
sensor harness
(6_26)
Confidential