Ken I went back and listened to the conversation because of the shipping issue. You did volunteer that you would pack up and ship back to us using UPS. My rep should have at that point asked if you wanted us to handle the shipping. (Sometimes customers use their own UPS account.)
While listening, I heard you say something that may be the problem:
You were troubleshooting and said, "Turn switch off. Turn switch on. Put in card." Always, put card in or take card out ONLY WHEN MACHINE IS OFF.
That could be why so many cards have been fried.
Connie
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