JS23 FAQs & Troubleshooting JS23 Not your product? Sort by Updated Date Popularity 5 Results 1. 06/02/2014 How do I thread my machine for use with the twin needle option? 2. 02/04/2008 It is difficult to pass the thread through the needle bar thread guide(hook). 3. 07/01/2008 Threading the machine. 4. 04/10/2007 How do I thread my machine? 5. 27/09/2007 Using the Spool Pin. More FAQs (English only) Getting Ready FAQs & Troubleshooting