Brother NQ3700D Operation Manual page 73

Embroidery and sewing machine
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Using the twin needle
With the twin needle, you can sew two parallel lines of
the same stitch with two different threads. Both upper
threads should have the same thickness and quality.
CAUTION
• Only use the twin needle (2/11 needle), and
never use the needle threader with the twin
needle.
Otherwise, the needle may break or the
machine may be damaged.
a
Press
and install the twin needle.
• For details on installing a needle, refer to "Replacing
the Needle" on page 28.
Pass the first upper thread behind the needle bar
b
thread guide.
• For details, refer to steps
"Threading the upper thread" on page 24.
c
Manually thread the left needle with the first upper
thread.
Pass the thread through the eye of the needle from the
front.
d
Insert the horizontal spool pin onto the bobbin winder
shaft.
Insert the spool pin so that it is perpendicular to the
bobbin winder shaft.
1
a
i
through
of
1 Bobbin winder
shaft
e
Swing the spool pin toward the left so that it is
horizontal.
f
Place the upper thread spool for the needle on the right
side onto the spool pin, and then secure it with the
spool cap.
The thread should unwind from the front at the bottom
of the spool.
1
2
g
Thread the upper thread in the same way that the
upper thread for the left side was threaded.
h
Without passing the thread through the needle bar
thread guide, manually thread the right needle.
Insert the thread through the eye of the needle from the
front to the back.
i
Attach zigzag foot "J".
• For details on changing the presser foot, refer to
"Replacing the presser foot" on page 29.
CAUTION
• When using the twin needle, be sure to attach
zigzag foot "J". If bunched stitches occur, use
monogramming foot "N" or attach stabilizer
material.
j
Press
to unlock all keys and buttons.
Utility Stitches
3
1 Spool cap
2 Spool
71

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