Thank you all for your help so far. I am now out of contact with that machine for the next 3 days, after which I will report on the results of these incantations!
-- Epson cx6600 - stopped printing, now not detected https://launchpad.net/bugs/93158 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs