APPENDIX
gCorrectly thread the machine.
• For details on threading the machine, refer to “Threading the upper thread” (page 20).
Note
●The thread may have become tangled as a result of incorrect upper threading. Make sure that the machine is correctly threaded.
hPerform 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 pretension 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.
b
a
aThread
bBobbin winder seat
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
aScrew of the bobbin winder presser
aIf the thread become tangled under the bobbin winder seat, press 
(start/stop button) once to stop the bobbin winding. When the foot controller is plugged in, remove your foot from the foot controller.
aStart/stop button
bCut the thread with scissors beside the
a
a
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