Brother DCP-L8400CDN Service Manual page 306

(6) Remove the five Taptite cup S M3x6 SR screws and remove the four Scanner holders
from the Scanner plate.
Taptite cup S M3x6 SR
Scanner holder
Assembling Note:
- When assembling the Scanner holder to "A" of the Laser unit, be sure to use the Scanner
holder of which "B" is a screw and not to use other Scanner holders.
- When assembling the Scanner holder to "A" of the Laser unit, be sure that the Scanner
holder is placed as shown in the figure.
Laser unit
Taptite cup S M3x6 SR
Fig. 3-194
"A"
<Front side>
Fig. 3-195
3-142
Taptite cup S M3x6 SR
Scanner holder
Taptite cup S M3x6 SR
Scanner holder
Scanner plate
Taptite cup S M3x6 SR
<Front side>
Scanner holder
"B"
Scanner holder
Scanner holder
Laser unit
Confidential