Brother MFC990CW Service Manual page 214

Document pull-in roller and document separation roller
(23) Place the ADF unit upside down.
(24) Remove the screw from the document roller holder.
(25) Release the two tabs on the left end of the document roller holder from the ADF unit and
take it out.
(26) Remove the document pull-in roller and document separation roller from the document
roller holder.
Apply grease here.
Document separation roller
Document roller holder
Tabs
(Left)
Assembling Note: Before mounting the document roller holder on the ADF unit, apply the
specified lubricant to the specified points, referring to
Document pull-in roller
Taptite, cup B
M3x8
Section
6-30
Apply grease here.
Document roller holder
ADF unit
(placed upside down)
(6_27)
6.2.
Confidential