Brother MFC5490CN Service Manual page 159

(6) Release the harnesses and grounding wire from the cable guides provided at the left end of
the upper cover.
Scanner cover
(Scanner unit)
Document sensor
PCB harness
ADF motor harness
Grounding wire
Assembling Note: Route the document sensor PCB harnesses, ADF motor harness, CIS
motor harness, and grounding wires as shown below.
Cable guides
Cable guides
Route the bundle of ADF motor
harness and its grounding wire,
CIS motor harness, and the
grounding wire on this left side.
Cable guides
CIS motor harness
Bundle of ADF motor
harness and its grounding
wire
Ferrite core
CIS motor harness
Grounding wire
Grounding wire
6-9
Upper cover
Lower cover
(6_06_BHL9_A4)
Route the document
sensor PCB harness
on this right side.
Document sensor PCB harness
Main PCB
Upper cover
(6_09_BHL9_A4)
Confidential