Innov-is F420 FAQs & Troubleshooting Innov-is F420 Not your product? Sort by Updated Date Popularity 3 Results 1. 01/12/2016 How do I set the bobbin ? 2. 07/10/2016 How do I pull up the bobbin thread? 3. 07/10/2016 How do I wind the bobbin? More FAQs (English only) Getting Ready FAQs & Troubleshooting