XL-6040 FAQs & Troubleshooting XL-6040 Not your product? Sort by Updated Date Popularity 5 Results 1. 06/02/2014 How do I thread my machine? 2. 02/04/2008 It is difficult to pass the thread through the needle bar thread guide(hook). 3. 29/02/2008 How do I use the needle threader? 4. 07/01/2008 Threading the machine. 5. 27/09/2007 Using the Spool Pin. More FAQs (English only) Getting Ready FAQs & Troubleshooting