Brother DCP-L8400CDN Service Manual page 506

(3) Release the Hook 1 and rotate the MP holder bushing in the direction of the arrow.
(4) Release the Hook 2 and remove the MP holder bushing from the MP upper cover ASSY.
Hook 1
Hook 2
(5) Remove the MP roller holder ASSY from the MP upper cover ASSY.
MP roller holder ASSY
Hook 2
3
4
MP upper cover ASSY
Fig. 7-89
Fig. 7-90
7-49
Hook 1
MP holder bushing
<Front side>
MP upper cover ASSY
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