Brother DCP-8110DN Service Manual page 360

(8) Disconnect the second side CIS flat cable (duplex scanning models only), first side CIS
flat cable, ADF cover/document detection sensor harness, second side document
scanning position sensor harness, ADF motor harness, document scanner motor
harness, panel PCB harness, wireless LAN harness (models with wireless LAN only),
USB host harness, speaker harness (models with speaker only), and NCU harness
(models with NCU only) from the main PCB ASSY, and release these harnesses from
the securing fixtures.
Note:
• The second side CIS flat cable and the second side document scanning position
sensor harness are provided for duplex scanning models only.
Second side CIS flat cable
First side CIS flat cable
USB host harness
Wireless LAN harness
ADF cover/document detection sensor harness
Second side document scanning position sensor harness
ADF motor harness
Document scanner motor harness
Fig. 7-14
7-10
Speaker harness
NCU harness
Panel PCB harness
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