[sane-devel] Xerox Travel Scanner 100 could not be detected

[stef]

Le samedi 23 janvier 2010 21:29:58 Jack McGill, vous avez écrit :
> Andrey,
> That is a pretty nice image for no calibration. It should clean up after
>  calibration.
> 
> Maybe Stef can figure out why calibration is failing. I think there are
>  some settings in genesys.c and genesys_gl841.c that might need to be
>  tweeked.
> 
> As Stef suggested, you could also try cloning the Pentax DS Mobile 600
>  settings. It uses slightly different motor and sensor settings.
> 
> Jack McGill
> 
> --- On Mon, 1/18/10, Andrey Loginov <avloginov at gmail.com> wrote:
> > From: Andrey Loginov <avloginov at gmail.com>
> > Subject: Re: [sane-devel] Xerox Travel Scanner 100 could not be detected
> > To: "stef" <stef.dev at free.fr>
> > Cc: sane-devel at lists.alioth.debian.org, "Jack McGill"
> > <jmcgill85258 at yahoo.com> Date: Monday, January 18, 2010, 4:34 AM
> > I have tried to calibrate scanner but
> > I have following problem:
> > Scanner turns on red back light feeds the calibration
> > page:
> > scanimage -d genesys --calibrate
> > scanimage: setting of option --calibrate failed (Operation
> > not
> > supported)
> > You can check attached image out.pnm. As you can see it has
> > vertical
> > artefacts in the scanned sample and white balance is not
> > set correctly.
> > But also using color scanning there is no page size check
> > sensor working
> > (it's ok whithin black&white scanning).
> >
> > У нд, 2010-01-10 у 13:09 +0100, stef пише:
> > > Le dimanche 10 janvier 2010 07:26:10 Andrey Loginov,
> >
> > vous avez écrit :
> > > > Done.
> > > > But I cannot attach picture. It exeeds 100K mail
> >
> > list quota.
> >
> > > > У сб, 2010-01-09 у 17:24 -0800, Jack McGill
> >
> > пише:
> > > > > Andrey,
> > > > > Do the following:
> > > > >     $export
> >
> > SANE_DEBUG_GENESYS=255
> >
> > > > >     $export
> >
> > SANE_DEBUG_GENESYS_GL841=255
> >
> > > > >     $scanimage -d
> >
> > genesys --resolution 100 --mode Color
> >
> > > > > >xeroxTS100-100dpi- scan.pnm 2>
> >
> > xeroxTS100.log
> >
> > > > > attach the image and log to an email back to
> >
> > the list.
> >
> > > > > Hopefully, Stef will be able to look at
> >
> > these and have some suggestions.
> >
> > > > > Jack McGill
> > >
> > >     Hello,
> > >
> > >     I see no errors in the appended
> >
> > logs. Would mind send directly to me the
> >
> > > 'scan.pnm' file ? Did you calibrated the scanner
> >
> > before doing your test ?
> >
> > > Quality isn't that good unless you do it.
> > >     If calibration doesn't help, I'd be
> >
> > inclined to try to hijack the Pentax DS
> >
> > > mobile 600 device entry in genesys_devices. They
> >
> > externally look really
> >
> > > similar.
> > >
> > > Regards,
> > >     Stef
> > >    
> 

	Hello,

	if you get a " scanimage: setting of option --calibrate failed (Operation not
 supported)", it is because either you cloned a device without support for it 
(no GENESYS_HAS_CALIBRATE flag in genesys_devices.c), or you are using a too 
old version.

Regards,
	Stef