XL-3500/ t/ i/3510/3520
FAQs & Troubleshooting |
If the spool of thread is not in the right place, the thread may tangle on the spool pin.
Spring Slit |
Make sure you follow the instructions carefully.
If you do not cut the thread completely, and the bobbin is wound, when the thread runs low it may tangle around the bobbin and cause the needle to break.