Brother MFC990CW Service Manual page 293

Inljet mfc/dcp
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CR guide rail and CR support chassis (upper face)
Apply a 2 mm diameter ball of grease (FLOIL BG1319) to each of the 16 lubrication points
below.
Lubrication procedure
(1) Move the head/carriage unit to the left end of its travel and hit it against the stoppers
provided at the left end of the CR guide rail and support chassis. This is to make the pair of
slider cams protrude to the right from the head/carriage unit, making the gap between the
head and the platen 1.6 mm.
(2) Before applying grease, wipe dirt or dusts off the lubrication area with an alcohol soaked
cloth.
(3) Apply grease to the 16 lubrication points on the CR guide rail and support chassis as
specified below, with the head/carriage unit placed on the left end of its travel.
(4) Move the head/carriage unit from the left to the right ends of its travel to spread the applied
grease on the CR guide rail and chassis.
Apply grease to
CR guide rail
these 8 points.
CR support chassis
Apply grease to
these 8 points.
6-109
30
70
(mm)
(6_85)
Confidential

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