Brother MFC5890CN Service Manual page 243

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 28 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 28 points
(14 points on each of the front and
back surfaces of the rear vertical
edge of CR support chassis).
(Front)
6-88
25
35
5.3+0.5
(mm)
(6_85_2)
Confidential