Brother DCP-L8400CDN Service Manual page 183

13 ADF (A4 model)
Front
Second side document scanning
position sensor PCB ASSY
Hook
ADF motor
harness
ADF earth
harness
Hook
Hole
Drive frame ASSY
Front
ADF unit
Hole
Document
scanner unit
Harness of the ADF unit
Joint cover top
Hole
Hole
Core
Screw bind
M3x8
Main PCB ASSY
Harness colors may be changed for any reason.
ADF cover/document
detection sensor PCB ASSY
Hook
Hook
First side document
scanning position
sensor PCB ASSY
Document cover ASSY
CN41
CN39
Second side CIS unit
Front
Upper ADF chute
Drive frame
ASSY
"A"
ADF unit
Front
Flat cable holder
Hole
Document
scanner unit
First side CIS flat cable
Joint cover top
Flat core
Second side CIS
flat cable
Main PCB ASSY
3-19
Hole
Document cover ASSY
Hole
"A"
CN37
Confidential