Read the instructions on the quick install sheet that came with your printer. With most HP USB capable printers you need to install the USB software before the driver.  If I were going to do this I'd uninstall the first copy that prints to LPT1 and do a fresh clean install.

>I will soon be using my HP Inkjet 5550 as a USB 2.0 connection instead of the existing LPT1:.   How should I go about this switch?
>


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