Hi Dorothy,
I'm not sure from your description what the bunching is like. Often if my machine has a top thread problem, I find the solution in the bobbin - maybe the tension could use adjusting, or there is a nest of thread in the bottom which needs cleaning out.
If you have a sewing machine service center in your area, a good checkup would be helpful in finding and solving the problem.
03/10/16 03:18 pm MST
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Dorothy O.
my Janome 9500 has started bunching the thread. I am trying to make this one work so I can use two to embroidery machines to make a quilt with embroidered squares. What can I do to help this machine? Thanks