[sane-devel] Epson perfection 660 usb - problem with lineart scanning - snapscan backend

Frédéric Leroy fredo at starox.org
Sun Sep 3 13:53:13 UTC 2006

Le jeudi 30 mars 2006 à 00:12 +0200, Frédéric Leroy a écrit :
> Hello,
> When I try to scan in lineart mode, it makes garbage on output. The scan
> seems "misaligned".
> But if I first make a scan in gray or color mode, and then switch to
> lineart, it works !
It works ... sometimes :(

I acquire a scan in Lineart mode and make a log :
It makes dirty squares in the image :

And the same thing in grey :

I obtain the same results with sane-backend cvs and firmwares
tail_0{58,60,61}.bin on little/big endian system :(.

I tried to look at sane source but I'm lost in the snapscan backend.
If a snapscan guru can guide me, it would be wonderfull. I really want
my scanner work in lineart mode.

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