XL-3500/ 3510/3520 FAQs & Troubleshooting XL-3500/ 3510/3520 Not your product? Sort by Updated Date Popularity 2 Results 1. 21/10/2015 Combination of fabric, thread and needle 2. 03/10/2007 Fabric and Thread More FAQs (English only) Getting Ready FAQs & Troubleshooting