Innov-is F420 FAQs & Troubleshooting Innov-is F420 Not your product? Sort by Updated Date Popularity 3 Results 1. 12/26/2016 How do I pull up the bobbin thread? 2. 12/26/2016 How do I set the bobbin ? 3. 12/26/2016 How do I wind the bobbin? Getting Ready FAQs & Troubleshooting