DZ3000 FAQs & Troubleshooting DZ3000 Not your product? Sort by Updated Date Popularity 2 Results 1. 09/24/2020 How to use the Bobbin Work Kit. (Optional accessory : SABWRK1 / BWRK1) [Video instructions] 2. 09/24/2020 How to use the Circular Attachment. (Optional accessory : SACIRC1 / CIRC1) [Video instructions] Instructional videos FAQs & Troubleshooting