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CARE AND MAINTENANCE
Memo
• If lint or dust collects on the bobbin thread sensor,
the sensor may not operate correctly.
h
Insert the bobbin case so that the mark on the
bobbin case aligns with the
a
Align the and
*
1 mark
2
mark
3 Bobbin case
*
Make sure that the indicated points are aligned
before installing the bobbin case.
CAUTION
• Never use a bobbin case that is scratched or
has a burr on it. Otherwise the upper thread
may become tangled, and the needle may
break and cause injury. For a new bobbin case,
contact your nearest Brother authorized
service center.
• Be sure that the bobbin case is correctly
installed, otherwise the needle may break and
cause injury.
i
Insert the tabs on the needle plate cover into the
needle plate, and then slide the cover back on.
j
Reattach the bobbin cover.
110
mark on the machine.
a
marks.
c
Cleaning the Cutter in the Bobbin Case Area
The cutter below the needle plate should be cleaned. If dust
or lint accumulate on the cutter, it will be difficult to cut the
thread when
(Thread cutter button) is pressed or the
automatic thread cutting function is used. Clean the cutter
when the thread is not easily cut.
a
a
Follow steps
through
remove the needle plate cover.
b
Use the screwdriver included with the machine to
unscrew and remove the needle plate.
c
Use the cleaning brush or a vacuum cleaner to remove
any lint and dust from the cutter in the bobbin case
area.
1 Cutter
CAUTION
• Do not touch the cutter, otherwise injuries
may result.
d
Align the two screw holes in the needle plate with the
two holes at the needle plate mounting base, and then
fit the needle plate onto the machine.
e
Lightly finger-tighten the screw on the right side of the
needle plate. Then, use the screwdriver included to
firmly tighten the screw on the left side. Finally, firmly
tighten the screw on the right side.
f
Replace the bobbin case and the needle plate cover
h
following steps
through
e
in "Cleaning the Race" to
a
j
in "Cleaning the Race".
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