What makes a machine sew fast?
There was a thread a couple of weeks ago where the poster said her 401 sewed almost as fast as her 301. My 401 sews very slowly, even with the pedal down all the way. This is the 401 that was really gummed up when I bought it. It took repeated cleanings to get it to zig-zag. I always just assumed it was the way it sewed. Now, I want my 401 to go like my 301. (I have another 401 that is untouched since purchased, so wonder if I should start there?)
Where do I start?
bkay