We may have found other answers which could help you.
Click here for Problem Older Whitedog feed not working?
I purchased a used white model 940 sewing machine and it doesn't stop?
How can I correct stitching issues with my Sew Cute?
How do I fix White 44000 Embroidery machine?
reattaching the bobbin casing and bobbin?
Disengaging fabric feed While Model 1477?