Ubuntu Geek shows you how to install gscan2pdf 1.0.0 on Ubuntu
Only two clicks are required to scan several pages and then save all or a selection as a PDF or DjVu file, including metadata if required.gscan2pdf can control regular or sheet-fed (ADF) scanners with SANE via scanimage or scanadf, and can scan multiple pages at once.Install gscan2pdf 1.0.0 on Ubuntu