Brother DCP-L8400CDN Service Manual page 229

Assembling Note:
- When assembling the Flat cable holder, take care not to accidentally damage the Hooks,
which are easily get broken.
- When the ADF unit is replaced, be sure to fold and assemble the Second side CIS flat
cable as shown in the figure.
- After disconnecting Flat cables, check that each cable is not damaged at its end or
short-circuited.
- When connecting Flat cables, do not insert them at an angle. After insertion, check that
the cables are not at an angle.
<How to fold the Second side CIS flat cable>
Surface of the Supporting plate Surface of the Supporting plate
(Back side: Terminal surface) (Back side: Terminal surface)
45° 45°
80±1 mm 80±1 mm
<To be connected to Main PCB> <To be connected to Main PCB>
(14) Turn the ADF unit upside down.
(15) Remove the three Taptite cup S M3x12 screws and remove the Hinge ASSY L from the
ADF unit.
Fold down Fold down
Fold back Fold back
Second side Second side
CIS flat cable CIS flat cable
Fig. 3-61
Taptite cup S M3x12
Fig. 3-62
3-65
Surface of the Supporting plate Surface of the Supporting plate
(Back side: Terminal surface) (Back side: Terminal surface)
Fold the flat cable at the edge Fold the flat cable at the edge
of the Supporting plate. of the Supporting plate.
Supporting tape Supporting tape
200±2 mm
Hinge ASSY L
Taptite cup S M3x12
45° 45°
(8 mm) (8 mm)
9±1 mm 9±1 mm
<To be connected to
Second side CIS unit>
ADF unit
Confidential