PR-620/620C/600II/600IIC FAQs & Troubleshooting PR-620/620C/600II/600IIC Not your product? Sort by Updated Date Popularity 2 Results 1. 03/04/2009 Why won't the tension set on my sewing machine? 2. 03/04/2009 Why is the outline sewing off the pattern? Embroidering FAQs & Troubleshooting