[sane-devel] artec e+pro- vertical lines- some samples

m. allan noah kitno455 at gmail.com
Tue Jan 15 01:06:39 UTC 2008

well, i am sorry we can't do more, but before you go, how would you
rate the support of the scanner, other than the calibration issues?
does it scan in the same modes and resolutions as the windows driver?
i would like to update our scanner lists...


On 1/14/08, Philip Aston <philip.aston at ntlworld.com> wrote:
> Like to try, I do have the Windows driver but regret don't have the
> skills. I'll keep a note of this "just in case". Probably unsubscribe
> soon, SANE is an excellent project but I can't do anything with the
> advice I've been given, let alone contribute anything. So I'll sign off
> by thanking you and Theodore for trying to help. Regards-Philip
> On Mon, 2008-01-14 at 10:15 -0500, m. allan noah wrote:
> > On 1/14/08, Philip Aston <philip.aston at ntlworld.com> wrote:
> > > All are prints of as near to pure red blue green as I could find using
> > > drawing tools on MSword, printer is a Tallygericom colour laser, I see the
> > > fabric effect as horizontal/ vertical "tartan". To hopefully exclude this I
> > > uploaded "blue2.pnm" which is a slightly darker than mid blue from a
> > > flysheet of a book. Regards-Philip
> > >
> >
> > yeap- looks like bad per-cell calibration in the blue and green
> > channels of blue2.pnm, but the red channel clearly shows the size of
> > the 'sub-units' that makeup the read head.
> >
> > at this point, you would need to get some traces of the calibration
> > code in the windows driver (i prefer benoit's usbsnoop), and then
> > spend some time trying to improve the calibration the backend does.
> >
> > unfortunately, the backend is unmaintained, and this kind of work is
> > hardwithout access to the scanner, so it looks like it's all you :)
> >
> > allan
> > --
> > "The truth is an offense, but not a sin"
> >

"The truth is an offense, but not a sin"

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