BC-2100/BC-2100PRW FAQs & Troubleshooting BC-2100/BC-2100PRW Not your product? Sort by Updated Date Popularity 4 Results 1. 03/07/2015 How do I install the bobbin wound with thread? (For models equipped with the quick-set bobbin) 2. 07/05/2015 How do I wind the bobbin? 3. 08/06/2009 How do I draw up the lower thread? 4. 07/04/2009 How do I correctly install a bobbin? Getting Ready FAQs & Troubleshooting