Brother DCP-L8400CDN Service Manual page 304

(4) Remove the six Taptite bind B M4x12 screws and four Taptite cup S M3x6 SR screws,
and remove the Scanner cover plate from the Main body.
Assembling Note:
When assembling the six screws of the Taptite bind B M4x12, be sure to assemble
them in the order shown in the figure.
Taptite cup S M3x6 SR
Taptite bind B M4x12
Taptite cup S M3x6 SR
Taptite bind B M4x12
Scanner cover plate
Main body
(5) Disconnect the Laser unit flat cable from the Laser unit and release the wiring.
Laser unit
Laser unit flat cable
Taptite bind B M4x12
5
6
1
Fig. 3-191
Fig. 3-192
3-140
Taptite bind B M4x12
4
3
2
<Front side>
CN1
Taptite cup
S M3x6 SR
<Front side>
Confidential