On Sat, 5 Mar 2011, Rem P Roberti wrote:
Thanks for the reply. The printer is an HP Photosmart 9180, connected
to ulpt0, which cannot be toggled online/offline. The printer is
designed to remain on full time, and has maintenance routines that
it goes through every 24 hrs. If you turn it off and then turn it
back on again it goes through a long set of diagnostic routines.
You might be able to wake it up with something like
true > /dev/unlpt0
Or maybe use usbconfig to wake it up, in various ways. Some might make
it do the ink-wasting powerup, though.
usbconfig -d ugen1.2 resume
usbconfig -d ugen1.2 power_on
usbconfig -d ugen1.2 reset
Don't know if that would work with the unlpt device directly.
HP says that printer is not supported with HPLIP, but not why.
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