Originally Posted by H_TeXMeX_H
Make sure the printer is plugged in and turned on.
I would like to say, "Don't be daft, I know enough to make sure of that."
It turns out that the usb connector at the printer is very new and very stiff. Once I pushed it in HARD, the printer was visible. Problem solved.
(I feel not unlike a total twerp. Sorry to take the band width.)