"NisseO" wrote:
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> > > I have the same problem but using LPT1 - is that not possible in Vista 64 and the 720c driver ??
My computer has NO ports other than USB - no parallel, serial, game, or
anything else. That's why I had to use the USB adapter.
I removed everything I could find relating to printer support and then
plugged into a different USB port. It reinstalled and is working again.