Brother MFC-J5335DW Service Manual page 177

(6) Disconnect the Second side CIS flat cable from the Second side CIS unit.
Second side
CIS flat cable
(7) Release the four Hooks and lift the Lower doc chute ASSY slightly.
(8) Remove the two Double-sided adhesive tapes and pull out the Second side CIS
flat cable from two Flat cores, the Lower doc chute ASSY and Document cover
base ASSY.
Note: Skip this step when you replace the Second side CIS unit only without replacing
the Second side CIS flat cable.
Hole
Double-sided
adhesive tape
Hole
8b
Hook
Document cover base ASSY
Fig. 3-40
Flat cores
8a
Hook
7
Fig. 3-41
3-53
Second side CIS unit
Connector
Second side CIS flat cable
Double-sided
adhesive tape
Lower doc chute ASSY
Hooks
Confidential