Do you have really copied the content of /usr/lib64/sane/ to /usr/lib/x86_64-linux-gnu/sane ?
Whats with 79-udev-epson.rules in /etc/udev/rules.d ?
Do you have really copied the content of /usr/lib64/sane/ to /usr/lib/ x86_64- linux-gnu/ sane ?
Whats with 79-udev-epson.rules in /etc/udev/rules.d ?