[sane-devel] Vertical bands with Lexmark X1150

[stef]

Le samedi 4 septembre 2010 19:50:48 Andrew Ziem, vous avez écrit :
> I use Fedora 13 (32-bit) with SANE 1.0.21-2 with a Lexmark X1150 (Dell
> A920), but I see horizontal bands when scanning with SANE, Xsane, and
> GIMP.  When scanning in Windows, it looks fine.
> 
> Example image (300dpi)
> http://a.imageshack.us/img829/943/lexmarkx1150verticalban.png
> 
> Andrew
> 
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	Hello,

	the artifacts you see are due to incorrect shading calibration. Does 
these vertical lines change if you do several scans ? May be the lamp isn't 
warm enough during first scans.

Regards,
	Stef