Originally Posted by
Mickey2
I don't know if your White model allows for the feed dogs to drop, but you could try by setting them to zero. Either way, as long as the stitch plate clicks into place and stays tehre, aligns with the needle hole under there and covers the feed dogs, I would assume it's the right one.
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it's always a good idea to double (and tripple!) check threading route, needle in the correct way, correct needle type for the machine etc.