Here is a run of the diagnostics after I created a fixed IP address for the Epson... looks different but the on-screen error message remains the same.
mark@Mark-K52F:~$ sudo /usr/lib/cups/backend/dnssd DEBUG: ignoring local service EPSON WorkForce 630 @ Mark-K52F DEBUG: ignoring local service HP Deskjet 970c @ Mark-K52F DEBUG: ignoring local service EPSON WorkForce 630 @ Mark-K52F DEBUG: ignoring local service HP Deskjet 970c @ Mark-K52F DEBUG: Found "EPSON5953F1 (WorkForce 630)._printer._tcplocal"... network dnssd://EPSON5953F1%20(WorkForce%20630)._printer._tcp.local/ "EPSON WorkForce 630" "EPSON5953F1 (WorkForce 630)" "MFG:EPSON;MDL:WorkForce 630;" "" mark@Mark-K52F:~$ /usr/lib/cups/backend/snmp network lpd://192.168.0.8:515/PASSTHRU "EPSON WorkForce 630" "EPSON WorkForce 630" "MFG:EPSON;CMD:ESCPL2,BDC,D4,D4PX,ESCPR1;MDL:WorkForce 630;CLS:PRINTER;DES:EPSON WorkForce 630;CID:EpsonRGB;FID:FXA,DPA,WFA,ETA,AFA,DAN;" "" mark@Mark-K52F:~$ /usr/lib/cups/backend/snmp 192.168.0.8 network lpd://192.168.0.8:515/PASSTHRU "EPSON WorkForce 630" "EPSON WorkForce 630" "MFG:EPSON;CMD:ESCPL2,BDC,D4,D4PX,ESCPR1;MDL:WorkForce 630;CLS:PRINTER;DES:EPSON WorkForce 630;CID:EpsonRGB;FID:FXA,DPA,WFA,ETA,AFA,DAN;" "" mark@Mark-K52F:~$ lpinfo -v network lpd network socket direct scsi network ipp network http network dnssd://EPSON5953F1%20(WorkForce%20630)._printer._tcp.local/ network smb network beh direct hp direct hpfax network lpd://192.168.0.8:515/PASSTHRU mark@Mark-K52F:~$ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/842030 Title: Cups does not recognize wireless connects To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/842030/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs