Innov-is F420 FAQs & Troubleshooting Innov-is F420 Not your product? Sort by Updated Date Popularity 4 Results 1. 03/04/2023 How do I adjust a stitch width or length? 2. 17/05/2022 Basic procedure to sew stitches 3. 17/05/2022 Outline of viewing the LCD Screen 4. 26/12/2016 How do I sew with the twin needle? General Information FAQs & Troubleshooting