Ok, I am asking help, I am not sure if it is time to send the machine to the professionals to fix. Last night, my daughter was using my Brother SE400 and jammed it badly. I got the jam out, but had her tighten the screws back for me on the machine. Now I think the screw may be off the thread cause I can't get it back out. Should I take it in and get someone to look at it or wait until someone else comes along with more hand strength and let them try it.