With the Deskjet D1420 disconnected, hp-probe finds no USB printers (duh). With the Deskjet D1420 connected, hp-probe finds it. hp-testpage produces error: Unable to communicate with printer Deskjet-D1400-series. Please check the printer and try again. Note that hp-probe found it. hp-testpage also produces a popup saying ... There is a problem with a print cartridge (1017) It does not say which one or why this would cause communication failure. How do I figure this out? -- Michael hennebry at web.cs.ndsu.NoDak.edu "Sorry but your password must contain an uppercase letter, a number, a haiku, a gang sign, a heiroglyph, and the blood of a virgin." -- someeecards