Brother MFC-J5335DW Service Manual page 135

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Paper feed roller
Apply grease to the positions shown in the figure below twice while rotating the roller.
Lubrication procedure
(1) Apply grease to the points shown in the figure below.
(2) Rotate the paper feed roller by 360 degrees in the direction of the arrow, and then
apply grease to the same positions again.
(3) After applying grease, rotate the paper feed roller by 360 degrees again.
Apply grease here.
Apply grease here.
Apply grease here.
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