[sane-devel] Sane Question--umax_pp
Sat, 29 Dec 2001 11:31:21 +0100
On Fri, Dec 28, 2001 at 12:38:39AM +0000, Timothy Johnson wrote:
> I hope no one minds me posting a question here. If it is a problem
> please let me know, I starting feeling guilty about sending all of my
> questions to Stef who apparently had a large part in developing the
> umax_pp patch.
> The problem I am having is with using sane with my umax-2000p parport
> scanner as a regular user. I am able to use it fine as root, but the
> scanner appears nonexistent as a normal user. I changed the attributes
> on my parports to allow regular users the ability to read and write the
> parports per Stef's recommendation, but this still did not work. I also
> manually loaded ppdev, and I am a bit confused over the issue regarding
> creating a ppdev character device. I read somewhere that the ppdev
> module uses the parport, but I also seem to remember the documentation
> saying that a ppdev character device may need to be created in order to
> use the scanner as a regular user. How does this fit together?
> Thanks again, and thanks for all your hard work on this, I and all the
> other Linux users out here very much appreciate it.
> If I need to be sending my questions somewhere else please let me know.
in order to get sure that ppdev is working OK on your linux box,
you may try the examples programs at:
If they do, it's a backend issue....