Brother DCP-L8400CDN Service Manual page 465

(12) Remove the Cleaner pinch roller S ASSY from the Cleaner roller spring.
Cleaner roller spring
Cleaner pinch roller S ASSY
Fig. 7-11
(13) Remove the other three Cleaner pinch roller S ASSYs in the same way.
(14) Remove the two Taptite bind B M4x12 screws from the Fuser cover R.
(15) Release the two Hooks and remove the Fuser cover R from the Main body.
Main body
Hook
Fuser cover R
<Back side>
Taptite bind B M4x12
Fig. 7-12
7-8
Confidential