Brother DCP-L8400CDN Service Manual page 477

(14) Remove the Screw bind M3x8 screw and remove the Panel FG harness from the Main
shield cover plate ASSY.
(15) Remove the three Screw bind M3x8 screws and remove the Main shield cover plate
ASSY from the Main body.
Screw bind M3x8
Panel FG harness
Screw bind
M3x8
Screw bind M3x8
<Left side>
Main shield cover plate ASSY
(16) Remove the two Screw bind M3x8 screws and remove the ADF earth harness and
Document scanner FG harness from the Main PCB plate.
(17) Disconnect the two Connectors (CN39 and CN41) from the Main PCB ASSY and release
the wiring of the Main PCB insulation sheet.
Main PCB insulation sheet
ADF earth harness
<Back side>
Screw bind M3x8
Main PCB plate
Screw bind M3x8
Fig. 7-33
CN39
CN41
Fig. 7-34
7-20
Main body
Document scanner
FG harness
Screw bind M3x8
Main PCB ASSY
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