On Mon, 10 Feb 2003 23:07:37 +0100 (CET) Rene Rebe <[email protected]> wrote:
> Hi. > > On: Mon, 10 Feb 2003 13:06:27 -0800, > TomF <[email protected]> wrote: > ... > > > > Changing /dev/scanner to link to /dev/usb/scanner0 did not work, so > > I changed it back to the Redhat 8.0 default: -> /dev/sgf > > The kernel's scanner driver is not used for the USB Avision scanners > (so /dev/usb/scanner* is not the right device-node). > > Insead the hpusbscsi driver is used to emulate a scsi-device. How can I determine what driver is being used? How can I configure the correct driver? I combined the information from several web sites to do the configuration, but I did not see anything about hpusbscsi related to the avision scanners. > > > After I rebooted, scanimage worked, but produced a negative image. > > What do you mean with "negative" image? You mean it is "inverted"? > Which scanmode (lineart, dithered, gray, color) do you use? Yes, a negative image is an inverted image, i.e. black and white are interchanged. I tried several scanmodes, and finally found that I could get a positive, non-inverted image using lineart mode. I sent another note about this earlier today. With scanmode gray, at one point I got black on gray images, i.e., the text was black and the background, that should have been white. was gray. > > > I installed xsane-0.84-8.i386.rpm, but it looked for libraries in > > /usr/lib while 1.0.10 had put them in /usr/local/lib. I put links > > in/usr/lib to resolve this. > > > > xsane worked, but also produced negative images. I was thrashing > > around trying to get sane working before I found out about the > > patch, and I may have changed something and forgot to record the > > change. > > > > It looks like I need a tutorial that describes how to pruduce plain > > black and white images. Where could I find one? I would still like to find a tutorial. Do you know where I could find one? > > - René > > -- > René Rebe - Europe/Germany/Berlin > e-mail: [email protected], [email protected] > web: www.rocklinux.org, drocklinux.dyndns.org/rene/ > > Anyone sending unwanted advertising e-mail to this address will be > charged $25 for network traffic and computing time. By extracting my > address from this message or its header, you agree to these terms.
