Originally Posted by
notmorecraft
Like Sittingprettty use a leader, I think there has been a thread on this before and it's because of the wide feed dog, one way to stop is use a leader or change your plate and use a straight stitch plate,if you're piecing why not chain piece and that way you're not cutting the thread every time
So much good information here. I have the 8900 and have a similar problem. I did not have this problem with my 6600 or 7700, so I think motmorecraft is right in thinking it could be the wide feed dogs. I don't have any problems when I move the needle over to the 1/4 setting.