another idea. ulpt shows like that ugen1.3: <Kyocera> at usbus1 ulpt0: <Kyocera Kyocera FS-2020D, class 0/0, rev 2.00/1.00, addr 3> on usbus1 ulpt0: using bi-directional mode for parallel lpt port on some printers disabling bi-di mode solves most problems. can this be disabled on ulpt or it is irrevelant?