DS-140 FAQs & Troubleshooting DS-140 Not your product? Sort by Updated Date Popularity 3 Results 1. 11/06/2020 Basic operations and sewing [Video instructions] 2. 11/12/2015 Thread tension [Video instructions] 3. 11/12/2015 Adjusting the stiitch length and width [Video instructions] Operation FAQs & Troubleshooting