PR1X FAQs & Troubleshooting PR1X Not your product? Sort by Updated Date Popularity 3 Results 1. 24/08/2023 Replacing the hook of the automatic needlethreading mechanism [Video instructions] 2. 24/08/2023 Replacing the needle [Video instructions] 3. 24/08/2023 Tutorial videos on how to use the machine [Video instructions] Maintenance FAQs & Troubleshooting