Originally Posted by radonc1

I believe that once the SM VGC card has been drained by the store and the printing of the MO fails, you cannot reload the card. The transaction has already gone through the bank and the bank has approved your grocer printing a MO. If that fails, it is the store's responsibility to make you whole, since they now have your money.

When I experienced the failed printer at WM, they simply refunded the broken money order machine problem with cash.