CUPS, USB printers & "Permission Denied"

Nicolas Blais nb_root at
Thu Jun 29 23:02:50 UTC 2006

> I found that the usb backend stalled here before actually doing any
> work. Before I've done any actual debugging of the backend, I suspect
> that it is being blocked on a status read attempt, though this is only
> my current guess.
> Here is a workaround:
> In printers.conf () you will probably find a line like this:
> DeviceURI usb:/dev/ulpt0
> change usb: to file:, so that it looks something like this:
> DeviceURI file:/dev/ulpt0
> Then restart cups. Cups will not read any status information from the
> printer, but at least it can print. Be warned about unknown side effects.
> :)
> Jan-Espen Pettersen

Thanks, that did fix the problem! I'll be adding your hint to the PR/99460.

FreeBSD 7.0-CURRENT #4: Sun Jun 25 12:13:31 EDT 2006     root at clk01a:/usr/obj/usr/src/sys/CLK01A 
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