Brother MFC-J5335DW Service Manual page 162

(3) Disconnect the seven Connectors from the Main PCB.
(4) Disconnect the two Flat cables from the Main PCB.
(5) Remove the screw (SCREW BIND M3x6) and remove the ADF FG wire and FB
FG wire from the Main PCB frame.
Main PCB frame
MP paper detection
sensor harness
Document scanning
position sensor
harness ASSY
Document cover
sensor harness
ADF document
detection sensor
harness
ADF motor harness
FB motor harness
(6) Lift the Harness holder and secure the Hook of the Harness holder to the slot on
the Document scanner unit.
Document
scanner unit
Harness holder
ADF FG wire
SCREW BIND M3x6
ADF cover
sensor harness
First side CIS flat cable
Fig. 3-12
Hook
Fig. 3-13
3-38
FB FG wire
Second side CIS
flat cable
Slot of the document scanner unit
Main PCB
Hook
Confidential