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ST4031HDH

FAQs & Troubleshooting

FAQs & Troubleshooting

Stitches are not uniform

  1. Improper threading.
    Thread correctly.

  2. Needle incorrectly installed.
    Install needle correctly.

  3. Needle bent, or needle tip blunt.
    Replace with new needle.

  4. Thread tensions are not adjusted properly.
    Adjust the thread tension.

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