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g
Correctly thread the machine.
• For details on threading the machine, refer to
"Upper Threading" (page 27).
Note
The thread may have become tangled as a
result of incorrect upper threading. Make
sure that the machine is correctly threaded.
h
Perform trial sewing with normal fabric.
Note
Incorrect sewing may be the result of
incorrect upper threading or sewing thin
fabrics. If there are poor results from the trial
sewing, check the upper threading or the
type of fabric being used.
When the thread became
tangled under the bobbin
winder seat
If the bobbin winding starts when the thread is not
passed under the pre-tension disk of the bobbin-
winding thread guide correctly, the thread may
become tangled under the bobbin winder seat.
In such a case, wind off the thread according to the
following procedure.
a Thread
b Bobbin winder seat
2
1
CAUTION
● Do not remove the bobbin winder seat
even if the thread become tangled under
the bobbin winder seat. It may result in
injuries.
● Do not remove the screw of the bobbin
winder presser, otherwise the machine
may be damaged; you cannot wind off the
thread by removing the screw.
a Screw of the bobbin winder presser
a
If the thread become tangled under the bobbin
winder seat, press
once to stop the bobbin winding.
When the foot controller is plugged in, remove
your foot from the foot controller.
1
a "Start/Stop" button
b
Cut the thread with scissors beside the bobbin-
winding thread guide.
1
a Bobbin-winding thread guide
1
("Start/Stop" button)
Troubleshooting 109
4
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