I have a White Denims Machine (1577) and it is now undertaking the identical point! I haven't any clue why. It was great someday and now I have a zigzag sew for base thread and the very best thread in only going in the straight line – doesn’t look like http://beckettuwxyy.blogprodesign.com/20154552/elna-sewing-machines-boulder-colorado-for-dummies