Brother MFC990CW Service Manual page 294

CR support chassis (front and rear sides of upright rear edge)
Apply a 2 mm diameter ball of grease (FLOIL BG1319) to each of the 22 lubrication points
(front and back surfaces of the rear vertical edge of CR support chassis) as shown below.
Head/carriage unit
CR support chassis
Apply grease to these 22 points
(11 points on each of the front and
back surfaces of the rear vertical
edge of CR support chassis).
Document pull-in roller and document separation roller in the document roller holder
(For models with ADF)
Apply a 2 mm diameter ball of grease (Molykote EM-30LP) to each of the lubrication points
below.
Apply grease here.
Document separation roller
(Front)
Document pull-in roller
Apply grease here.
Document roller holder
6-110
25
35
5.3+0.5
(6_27_1)
(mm)
(6_85_2)
Confidential