Hi csola48, csol...@gmail.com writes:
> Why is the lineart option not supported in the sane 1.0.31 backend version? Probably because of commit a12083c8c44b7296fa98ecb83e8932d0f6bdeb05. https://gitlab.com/sane-project/backends/-/commit/a12083c8c44b7296fa98ecb83e8932d0f6bdeb05 @povilas> The commit message doesn't really explain why though ... > Typed texts, black and white forms can only be scanned with a gray background! > > (Ubuntu 18.04.5 / Canon LIDE 220) > > csola48 Hope this helps, -- Olaf Meeuwissen, LPIC-2 FSF Associate Member since 2004-01-27 GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13 F43E B8A4 A88A F84A 2DD9 Support Free Software https://my.fsf.org/donate Join the Free Software Foundation https://my.fsf.org/join