Differences With Single-Needle Machines - Brother PR-650 Operation Manual

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Not all six needles can be used to sew at the same
time. Only one needle is moved to the
embroidering position at a time. According to the
sewing order, the needle bar case is moved to the
left and right so that the needle bar and needle
thread with the required color can be moved to the
embroidering position.
1 Needle at the embroidering position
The needle is positioned over the hole in the
needle plate 2.
When starting the machine, the presser foot is
automatically lowered. The embroidery is sewn
and thread is pulled away from the material when
thread trimming and when changing thread colors
(moving to the different needles to be sewn within
the embroidery). When sewing is finished, the
machine stops. If the pattern uses seven or more
thread colors, the machine will stop when it is
necessary for the thread spools to be changed, and
the corresponding instructions appear on the LCD.
Differences with single-needle
machines
■ Can sew embroidery patterns using six or less
colors without the need to replace the thread
spools
With single-needle machines, the thread spool
must be changed and the machine must be
threaded each time a different thread color is
used. With this machine, it is not necessary to
change the thread spool or rethread the machine
with embroidery patterns containing six or less
colors. If total colors are less than 6 colors, and
if total color change is more than 7 times,
machine will come back to the needle that the
machine is already used and sew the same color
again automatically.
■ Automatic sewing reduces sewing time
Except to change the thread spools with patterns
containing seven or more colors, once the
machine is started, it continues to operate
automatically, from lowering the presser foot to
performing the specified operations at the
starting and end positions in addition to
changing the thread colors. Since the machine
can change threads and finish stitching, sewing
time is reduced.
■ Automatically pulls and holds the thread tails to
the under side of fabric at the beginning and
end of stitching
Since the machine automatically pulls the upper
thread under the fabric at the beginning of a
color, and pulls the upper thread from the fabric
at the time of thread trimming, you don't need to
deal with the upper thread tail at all.
■ Automatically moves the embroidery frame to
the embroidering position
With a single-needle machine, in most cases,
the embroidery pattern is centered in the frame
and the fabric must be correctly positioned
within the embroidery frame with the center of
the desired embroidering position aligned with
the center of the embroidery frame. However,
with this machine, the embroidery frame is
moved to determine the embroidering position,
making it easier to sew the pattern at any place
in the frame. In addition, the embroidering
position can be freely determined after the fabric
is hooped and the embroidery frame is attached
to the machine, regardless of how the fabric is
positioned in the embroidery frame.
Machine Structure and Features 9