Brother MFC-J3520 Service Manual page 128

CR frame (Inner side face of vertical edge at the front and rear sides)

Apply grease (FLOIL BG1319) at the size of 2 mm diameter to 60 locations in total shown in the
figure below.
Grease application procedures
(1) Move the Head/carriage unit to the left end.
(2) Before applying grease, wipe dirt and dust on the area to which grease is to be applied with
a cloth damped with alcohol.
(3) After applying grease, move the Head/carriage unit from the left end to the right end in
order to spread grease.
Apply grease here.
CR frame
Apply grease here.
30 locations at intervals of 14.2
30 locations at intervals of 14.2
CR guide rail
CR frame
3.7±0.5
Reference
on the
sliding surface Z
3-8
Carriage
home position
26
34.3
7.65±0.5
（mm）
Confidential