[sane-devel] Vertical Comb effect on Epson 2580 scan at 2400 dpi

Oliver Schwartz Oliver.Schwartz@gmx.de
Fri, 22 Oct 2004 22:50:18 +0200


> I have an Epson Perfection 2580 Photo and when scanning at 50-1200
> dpi I get good scans, but when scanning at 2400 dpi I get a
> vertical comb effect. Every other line is shifted 4 pixels down.
> I know support for this scanner is still being worked on, but any
> ideas?

It's a known issue for both the 2480 and the 2580. See 

To be honest I've no idea how to fix it. A trace of the USB 
communication in windows may be helpful.