Instale os pacotes de drivers comuns do repositório principal do Ubuntu:
sudo apt-get --reinstall install sane xsane xsane-common sane-utils libsane libsane-common libsane-dbg libsane-dev libsane-extras libsane-extras-common libsane-extras-dbg libsane-extras-dev
Em seguida, abra o aplicativo simple-scan
e use o scanner com ele.