[sane-devel] New Boeder Slimscan issue

[gerard klaver]

On Sat, 2004-03-06 at 09:51, Henning Meier-Geinitz wrote:
> Hi,
> 
> On Fri, Mar 05, 2004 at 10:30:00PM -0000, Jim George wrote:
> > please look here http://www.jsdmservices.pwp.blueyonder.co.uk/sanetest.jpg
> 
> I have to admit that I have never seen such an effect until now. I
> think the backend isn't able to create it because once the calibration
> is done, it's fixed. So if it was buggy, all the lines would be too
> dark or too light.
> 
> Do these stripes occur at the same position on every scan? Does the
> motor move deifferently in thses areas?
> 
> I think you should test if it happens with Windows, too, so we can see
> if it's a backend problem.
> 
> Bye,
>   Henning

Looks like this scanner has a black backing, if you check the thick
white below (seems a gray line on the backing), maybe placing a white
sheet between your scan and the backing can improve the result.
-- 
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m.vr.gr.
Gerard Klaver