Verify that the version of UFR II is for that model. ImageRUNNER and ImageRUNNER Advance use a different version of that driver.
PCL/PostScript won't work if the customer didn't order it. It's a license on the machine that needs to be enabled in order to work.
If you click the "Print" button, and then the data light flashes once... and goes off, they don't have the PCL or PS on that box.
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