I have a networked Canon pixma mg6320. Printing was no problem. Using xsane I receive 'invalid argument' although the scanner is listed twice in the opening dialog. I am able to scan using gimp. Re the SaneDaemon tutorial I added /etc/systemd/system/saned.socket and saned@.service. then systemctl status saned.socket displayed bad. Removed these two additions and saned.socket was OK.
bob@bob-ubuntu-64:~$ sudo systemctl enable saned.socket [sudo] password for bob: bob@bob-ubuntu-64:~$ sudo systemctl start saned.socket bob@bob-ubuntu-64:~$ systemctl status saned.socket ● saned.socket - saned incoming socket Loaded: loaded (/lib/systemd/system/saned.socket; enabled; vendor preset: enabled) Active: active (listening) since Tue 2016-11-15 15:08:13 PST; 24h ago Listen: [::]:6566 (Stream) Accepted: 4; Connected: 0 Nov 15 15:08:13 bob-ubuntu-64 systemd[1]: Listening on saned incoming socket. Nov 15 15:18:24 bob-ubuntu-64 systemd[1]: saned.socket: Too many incoming connections (1), refusing connection Nov 15 15:18:39 bob-ubuntu-64 systemd[1]: saned.socket: Too many incoming connections (1), refusing connection Nov 15 15:31:14 bob-ubuntu-64 systemd[1]: saned.socket: Too many incoming connections (1), refusing connection Nov 15 15:37:49 bob-ubuntu-64 systemd[1]: saned.socket: Too many incoming connections (1), refusing connection Nov 16 15:43:09 bob-ubuntu-64 systemd[1]: Listening on saned incoming socket. bob@bob-ubuntu-64:~$ sudo service saned status [sudo] password for bob: ● saned.service Loaded: masked (/dev/null; bad) Active: inactive (dead) bob@bob-ubuntu-64:~$ sudo usermod -a -G lp saned bob@bob-ubuntu-64:~$ How do I unmask saned.service. I am running 16.04. Although I can scan using gimp would much rather like to use xsane for its features. So far I have seen several recommendations but none has helped here. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/478761 Title: failed to start scanner: Invalid argument To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xsane/+bug/478761/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs