[sane-devel] HP scanjet 2400 question.

[stef]

Le samedi 3 octobre 2009 14:18:27, vous avez écrit :
> --- On Sat, 10/3/09, stef <stef.dev at free.fr> wrote:
> > From: stef <stef.dev at free.fr>
> > Subject: Re: [sane-devel] HP scanjet 2400 question.
> > To: sane-devel at lists.alioth.debian.org
> > Date: Saturday, October 3, 2009, 5:02 AM
> > Le vendredi 2 octobre 2009 23:52:46
> >
> > Andrew Randrianasulu, vous avez écrit :
> > > Hello all!
> > >
> > > I just powered up this scanner ( (vendor=0x03f0
> >
> > [Hewlett-Packard],
> >
> > > product=0x0a01 [hp scanjet scanner], chip=GL646_HP) as
> >
> > detected by
> >
> > > sane-find-scanner). It doesn't work with stock sane
> >
> > (1.0.19), and doesn't
> >
> > > work with genesys backend from http://stef.dev.free.fr/sane/genesys/
> > > (but it produces log after I run ./run-genesys script).
> > >
> > > Scanner work with proprietary (?) SANE backend from
> > > http://www.elcot.in/linuxdrivers_download.php#Scan2400
> >
> > , but i found even
> >
> > > smaller package, it works too (found it on russian
> >
> > Linux forum):
> > > http://blog.racoon97.net/wp-content/uploads/hp_scanjet_g2410.tar.gz
> > >
> > > I can scan color pages with at least 150, 200, 300 and
> >
> > 600 dpi settings.
> >
> > > Because this driver uses libusb - i think it is good
> >
> > idea to capture  its
> >
> > > command stream? I'm not sure for how long I will have
> >
> > this piece hardware.
> >
> > > I think I saw some instructions about capturing usb
> >
> > packets from Linux, but
> >
> > > not sure how exactly it was done (in userspace or via
> >
> > kernel patch). May be
> >
> > > someone here can point me into right direction?
> > >
> > > I'll attach genesys debug log, i have plans to
> >
> > download more recent SANE
> >
> > > sources and start from them, but I really need some
> >
> > guidance.
> >
> > > As you can see from log SANE thinks what my scanner
> >
> > was locked at the end
> >
> > > (and it started to make loud motor noises, so I
> >
> > unplugged it fast). No
> >
> > > image was received ever ...
> >
> >     Hello,
> >
> >     the HP2400/G2410 (G2410 is a re-badged
> > HP2400 to my knowledge) support in the
> > genesys backend is still experimental since I lacke this
> > hardware. However, I
> > have set up color modes for 50, 300 and 600 dpi based on
> > USB logs sniffed
> > under windows. So it would be nice if you could test the
> > latest sources
> > version of SANE with your scanner at 50 dpi color.
> >     To test you'll have to get the sources
> > like explained at http://www.sane-
> > project.org/source.html . Once you have compiled them, put
> > the attached run-
> > hp2400 script to sane-backends/backend source directory,
> > open a command shell
> > and go to this directory. Then run it, it'll test a 50 dpi
> > color scan and
> > creates a hp2500-scan.pnm and hp2400-scan.log files. Let us
> > know the result.
> > In case it doesn't work, please send these files.
> >
> > Regards,
> >     Stef
>
> with sane sources  up to git commit
> 798c96412a6e7e0db0713831675f4f0cda7e3c94 I got log and (black) pnm file,
> and no noise!

	Hello,

	thanks for the data. It'll take me a few days comparing this test run against 
reference usb snooping.

Regards,
	Stef