Originally Posted by Junie
I am making a correction of what I said earlier about the screw above the spring on the darning foot, it is not a screw. but there are thread that you turn the nut on and that will adjust the up and down of the darning foot. it is a Janome free motion foot. Sorry for my mistake.
Junie
I have that fmq foot for my 6600 (closed hoop, right). The nut on the main shaft of the foot can be adjusted up or down. You should regulate so that the bottom of the foot only barely touches your fabric - and it will glide easily. Sounds like you need to wind the screw higher.