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ian59Jul 27, 2025
Why is the bobbin thread breaking on my Janome 4120QDC?
- EeperkinsJul 27, 2025
The bobbin thread can break because: * The bobbin thread is not threaded properly in the bobbin holder. * Lint has collected in the bobbin holder. * The bobbin is damaged and doesn’t turn smoothly; if so, replace the bobbin. * The thread is wound loosely on a bobbin.
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