Man pages matching name gamma4scanimage in section 1:

gamma4scanimage.1.en	debian 10 / sane-utils
gamma4scanimage.1.de	debian 11 / manpages-de
gamma4scanimage.1.en	debian 11 / sane-utils
gamma4scanimage.1.de	debian 12 / manpages-de
gamma4scanimage.1.en	debian 12 / sane-utils