Innov-is NV2650D FAQs & Troubleshooting Innov-is NV2650D Not your product? Sort by Updated Date Popularity 3 Results 1. 26/04/2022 How to adjust the thread tension 2. 26/07/2016 How do I thread the machine (Threading the upper thread)? 3. 24/12/2014 How do I sew with the twin needle? More FAQs (English only) Getting Ready FAQs & Troubleshooting