[sane-devel] Scanimage failure with HP ScanJet 7450C
Rene Rebe
rene.rebe@gmx.net
Sat, 08 Feb 2003 10:42:51 +0100 (CET)
I have a lent hp 7450 here and work on the ADF code.
But normal scanning works just fine with the latest release from:
The web locations:
- SANE/Avision homepage:
http://drocklinux.dyndns.org/rene/avision/
- Sourcecode:
http://www.rocklinux.org/people/rene/sane/src/
- Patches:
http://www.rocklinux.org/people/rene/sane/patches/
- Incremental patches:
http://www.rocklinux.org/people/rene/sane/patches/incremental/
- Precompiled binary:
http://www.rocklinux.org/people/rene/sane/patches/bin
- Possible mirror sites:
http://www.rocklinux.de/people/rene/sane/
http://www2.rocklinux.org/people/rene/sane/
On: Fri, 7 Feb 2003 17:37:12 -0800,
TomF <TomF@sjpc.org> wrote:
> On Thu, 6 Feb 2003 09:53:46 +0100
> Henning Meier-Geinitz <henning@meier-geinitz.de> wrote:
> =
> > Hi,
> > =
> > On Wed, Feb 05, 2003 at 03:29:06PM -0800, TomF wrote:
> > > I installed xsane-0.84-8.i386.rpm, xsane-gimp-0.84-8.i3
> > > 86.rpm, sane-backends-1.0.8-5 from the Redhat 8.0 CDs, and found
> > > SCSI scanner "hp scanjet 7400c 0.8S" at device /dev/scanner for m=
y
> > > HP ScanJet 7450C, which is connected by USB.
> =
> A scanimage --test appears to have executed correctly.
> =
> When I execute scanimage -d avision:/dev/scanner --format tiff >
> image2.tiff, it hangs at the end of scanning a page. Eventually it
> finishes, but the scanning light does not return to its home position=
,
> and stays on for hours. While it is in this state, executing the
> scanimage command again produces an invalid parameter message. I hav=
e
> to power off to reset the scanner. When I bring the system back up, =
I
> can repeat the entire scenario.
> =
> The image2.tiff file is 30 MB. When I open it with an image view a
> completely black image is displayed. The scanner works in Windows XP=
> without problems.
> =
> =
> > =
> > Have a look at the other threads on avision + USB scanner that
> > appeared on sane-devel during the last days. While the symptoms are=
> > diffe rent, maybe it's the same problem? As requested by the backen=
d
> > author, can you send a copy of your mail to him ("Rene Rebe"
> > <rene.rebe@gmx.net>)?
> > =
> > Bye,
> > Henning
> =
> =
> In the sane-devel threads I found a reference to a FAQ, where I found=
:
> =
> "Now when your scanner is recognized, do a
> =
> cat /proc/bus/usb/drivers
> =
> This should give you something like
> =
> usbdevfs
> hub
> hid
> 48- 63: usbscanner"
> =
> =
> After verifying that the HP ScanJet 7400c was recognized, I issued th=
e
> command. Instead, I got:
> =
> usbdevfs
> hub
> 96-111: hiddev
> hid
> hpusbscsi
> 0- 15: usblp
> =
> "You might need to use /dev/usb/scanner0 instead of /dev/usbscanner."=
> =
> /dev/usb/scanner0 exists, but =
> =
> [root@localhost Tom]# ls -l /dev/scanner
> lrwxrwxrwx 1 root root 8 Nov 4 20:57 /dev/scanner =
->
> /dev/sgf[root@localhost Tom]# ls -l /dev/sgf
> lrwxrwxrwx 1 root root 3 Nov 4 12:23 /dev/sgf -> s=
g5
> [root@localhost Tom]# ls -l /dev/sg5
> crw------- 1 Tom root 21, 5 Aug 30 16:31 /dev/sg5
> =
> seems to indicate that the scanner configuration does not point to it=
. =
> Is there something else I need to do to connect the scanner to
> /dev/usb/scanner0? Am I going in the right direction?
- Ren=E9
-- =
Ren=E9 Rebe - Europe/Germany/Berlin
e-mail: rene.rebe@gmx.net, rene@rocklinux.org
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.