Arch 安装 Epson Perfection V39 驱动
https://aur.archlinux.org/packages/iscan-plugin-gt-s650/ As root: # pacman -S iscan iscan-data As user: $ git clone https://aur.archlinux.org/iscan-plugin-gt-s650.git $ cd iscan-plugin-gt-s650 $ makepkg As root: # pacman -U iscan-plugin-gt-s650-1.1.0-1-x86_64.pkg.tar.xz