Originally Posted by
hcarpanini
I ALWAYS do a test off to the side after every bobbin change. Any problems usually show up there. Sometimes it's something as simple as unrolling some thread off the bobbin. Mine doesn't like it all the way full.
My machine doesn't like all the way full bobbins either. She also balks at the very end, so I usually know when I'm getting close to empty. Do you think it is because the surface is not quite flat? Maybe there's a slight hump in the thread pile? Out of curiosity I have tried to figure this out to no avail.