Ok, I tried what you told me at home (got the same problem here in my home LAN)
1) Yes, I can access the configuration interface of the printer via WLAN 2) Yes, I can ping the printer (over WLAN and LAN) ------- At first all the commands, tested while connected to network via WLAN -------- 3a) Running lpinfo -v (while on WLAN) results in: network lpd network ipp network ipps network https network http network socket network beh direct hp network smb direct hpfax network lpd://BRNF3DB2C/BINARY_P1 3b) running sudo /usr/lib/cups/backend/dnssd (while on WLAN) results in: -> no response (I had to ctrl + C to stop the command) 3c) running /usr/lib/cups/backend/snmp (while on WLAN) results in: network lpd://BRNF3DB2C/BINARY_P1 "Brother MFC-9840CDW" "Brother MFC-9840CDW" "MFG:Brother;CMD:PJL,PCL,PCLXL;MDL:MFC-9840CDW;CLS:PRINTER;" "" 3d) running route (while on WLAN) results in: Kernel-IP-Routentabelle Ziel Router Genmask Flags Metric Ref Use Iface default speedport.ip 0.0.0.0 UG 0 0 0 wlan0 link-local * 255.255.0.0 U 1000 0 0 wlan0 192.168.1.0 * 255.255.255.0 U 2 0 0 wlan0 3e) running nmap on the address of the rounter (while on WLAN) results in: Host is up (0.014s latency). Not shown: 994 closed ports PORT STATE SERVICE 21/tcp open ftp 23/tcp open telnet 80/tcp open http 515/tcp open printer 631/tcp open ipp 9100/tcp open jetdirect ------ Now the same while connected to the LAN via cable ------- 4a) running lpinfo -v (while on LAN) results in: network lpd network beh network https network ipps network socket network ipp network http network smb network dnssd://Brother%20MFC-9840CDW._ipp._tcp.local/ network dnssd://HP%20Color%20LaserJet%20CM2320nf%20MFP%20(8869EE)._pdl-datastream._tcp.local/ network dnssd://Brother%20MFC-9840CDW._pdl-datastream._tcp.local/ network dnssd://HP%20Color%20LaserJet%20CM2320nf%20MFP%20(8869EE)._printer._tcp.local/ network dnssd://Brother%20MFC-9840CDW._printer._tcp.local/ direct hp direct hpfax network socket://192.168.1.11 4b) running sudo /usr/lib/cups/backend/dnssd (while in LAN) results in: DEBUG: Found "Brother MFC-9840CDW._ipp._tcplocal"... DEBUG: Found "HP Color LaserJet CM2320nf MFP (8869EE)._pdl-datastream._tcplocal"... DEBUG: Found "Brother MFC-9840CDW._pdl-datastream._tcplocal"... DEBUG: Found "HP Color LaserJet CM2320nf MFP (8869EE)._printer._tcplocal"... DEBUG: Found "Brother MFC-9840CDW._printer._tcplocal"... network dnssd://Brother%20MFC-9840CDW._ipp._tcp.local/ "Brother MFC-9840CDW" "Brother MFC-9840CDW" "MFG:Brother;MDL:MFC-9840CDW;" "" network dnssd://HP%20Color%20LaserJet%20CM2320nf%20MFP%20(8869EE)._pdl-datastream._tcp.local/ "HP HP Color LaserJet CM2320nf MFP" "HP Color LaserJet CM2320nf MFP (8869EE)" "MFG:HP;MDL:Color LaserJet CM2320nf MFP" "" network dnssd://Brother%20MFC-9840CDW._pdl-datastream._tcp.local/ "Brother MFC-9840CDW" "Brother MFC-9840CDW" "MFG:Brother;MDL:MFC-9840CDW;" "" network dnssd://HP%20Color%20LaserJet%20CM2320nf%20MFP%20(8869EE)._printer._tcp.local/ "HP HP Color LaserJet CM2320nf MFP" "HP Color LaserJet CM2320nf MFP (8869EE)" "MFG:HP;MDL:Color LaserJet CM2320nf MFP" "" network dnssd://Brother%20MFC-9840CDW._printer._tcp.local/ "Brother MFC-9840CDW" "Brother MFC-9840CDW" "MFG:Brother;MDL:MFC-9840CDW;" "" 4c) running /usr/lib/cups/backend/snmp (while in LAN) results in: network socket://192.168.1.11 "HP Color LaserJet CM2320nf MFP" "HP Color LaserJet CM2320nf MFP" "MFG:Hewlett-Packard;CMD:PJL,PML,PCLXL,POSTSCRIPT,PCL;MDL:HP Color LaserJet CM2320nf MFP;CLS:PRINTER;DES:Hewlett-Packard Color LaserJet CM2320nf MFP;MEM:MEM=111MB;COMMENT:RES=600x8;" "HP Color LaserJet CM2320nf MFP" 4d) running route (while in LAN) results in: default speedport.ip 0.0.0.0 UG 0 0 0 eth0 link-local * 255.255.0.0 U 1000 0 0 wlan0 192.168.1.0 * 255.255.255.0 U 1 0 0 eth0 192.168.1.0 * 255.255.255.0 U 2 0 0 wlan0 4e) running nmap (while in LAN) results in: Host is up (0.0068s latency). Not shown: 994 closed ports PORT STATE SERVICE 21/tcp open ftp 23/tcp open telnet 80/tcp open http 515/tcp open printer 631/tcp open ipp 9100/tcp open jetdirect If you need more info or more test results please tell me. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/987212 Title: Wireless printer "Processing - Unable to locate printer." To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/system-config-printer/+bug/987212/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
