poulou@poulou-K55VD:~$ sudo gedit /etc/udev/rules.d/55-epson-libsane.rules(gedit:16568): Tepl-WARNING **: 20:01:47.782: GVfs metadata is not supported. Fallback to TeplMetadataManager. Either GVfs is not correctly installed or GVfs metadata are not supported on this platform. In the latter case, you should configure Tepl with --disable-gvfs-metadata.
scanimage -Ldevice `epsonscan2:EPSON Scanner:esci2:usb:ES00EB:315' is a EPSON EPSON Scanner flatbed scanner