Brother DCP-L8400CDN Service Manual page 235

(15) Open the ADF unit.
(16) Release the three Hooks and remove the Flat cable holder from the Document scanner unit.
(17) Pull out the Harness of the ADF unit from the Hole of the Document scanner unit.
(18) Remove the ADF unit from the Document scanner unit.
Harness of the
ADF unit
Hole
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
(Back side: Terminal surface)
45°
35±1 mm
<To be connected to Main PCB>
Flat cable holder
Flat cable
16
17
Fig. 3-71
Second side
CIS flat cable
Fig. 3-72
ADF unit
Document scanner unit
Hook
Fold down
Fold back
Surface of the Supporting plate
(Back side: Terminal surface)
Fold the flat cable at the edge of the
Supporting plate.
Supporting tape
210±2 mm
3-71
Flat cable holder
Hook
45°
(8 mm)
9±1 mm
<To be connected to
Second side CIS unit>
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