PR-620/620C/600II/600IIC FAQs & Troubleshooting PR-620/620C/600II/600IIC Not your product? Sort by Updated Date Popularity 2 Results 1. 16.10.2015 Hooping the Fabric 2. 25.02.2009 There is looseness in the mounting jig when the fabric is placed in the cap frame/cylinder frame. Embroidering FAQs & Troubleshooting