Hello Candace,
If you have made sure the needle is perfect and you are not sewing on a fabric that creates static with the wrong type of needle and the machine is missing stitches or not picking up the stitches, the chances are you may need to reset the machine called retiming, I can attach timing details if you e-mail
me drivewithken@blueyonder.co.uk
Ken
drivewithken@blueyonder.co.uk, February 2008