I have a similar problem with a different scanner. The Epson GT-S80. When I choose Doublesided scanning also Invalid Argument.
I'm using Ubuntu 14.04.2LTS with the PPA running version 1.3.0 I've run a log file and attached it here below. These Entries in the log seem odd. WARN - Argument "" isn't numeric in numeric ne (!=) at /usr/share/perl5/Gscan2pdf/Dialog/Scan/Sane.pm line 731. WARN - Argument "" isn't numeric in subroutine entry at /usr/share/perl5/Gscan2pdf/Frontend/Sane.pm line 430. INFO - sane_set_option 51 (auto-eject) to returned status Success with info 0 ** Attachment added: "scanlog from an invalid argument scan" https://bugs.launchpad.net/ubuntu/+source/gscan2pdf/+bug/844582/+attachment/4365917/+files/scanlog -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/844582 Title: "Invalid argument" when trying to scan To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gscan2pdf/+bug/844582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
