Brother DCP-9055CDN Service Manual page 268

(6) Release the Pin of the Conductive bush and rotate it to the position shown in the figure.
Pin
Conductive bush
ADF unit
(7) Remove the shaft end at the opposite side to remove the Document feed roller ASSY
from the Lower chute ASSY.
7a
Lower chute ASSY
Document feed roller ASSY
Fig. 3-108
Document feed roller ASSY
7b
Fig. 3-109
3-87
Conductive
bush
Confidential