Public bug reported: CUPS does not find network Samsung SCX-4729FD printer i.e. one connected to router's ethernet socket. This error is intermittent. It occurs because I have to keep deleting and adding networked Samsung SCX-4729FD printer, due to desktop being informed that printer is not connected when attempting to print.
printer-driver-splix (version 2.0.0+svn315-2fakesync1) package is installed. Add button (in Printers dialog) does not find (using Find Network hotspot) Samsung SCX-4729FD printer printer: it used to do so. Similarly, localhost:631/printers (in Firefox) does not find Samsung SCX-4729FD printer. Printer has static ip address (on my network) of 192.168.1.20 Ping of printer shows connection is OK: john@Desktop:~$ ping 192.168.1.20 PING 192.168.1.20 (192.168.1.20) 56(84) bytes of data. 64 bytes from 192.168.1.20: icmp_seq=1 ttl=64 time=0.516 ms Firewall has port 631 open. Using Ubuntu 64 bit desktop fully up to date. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: cups 1.7.2-0ubuntu1.7 ProcVersionSignature: Ubuntu 3.13.0-86.130-generic 3.13.11-ckt39 Uname: Linux 3.13.0-86-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CupsErrorLog: CurrentDesktop: Unity Date: Mon May 16 14:53:17 2016 InstallationDate: Installed on 2014-04-25 (752 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) Lpstat: device for Deskjet-2540-series: usb://HP/Deskjet%202540%20series?serial=CN51A5721J0604&interface=1 MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M. Papersize: a4 PpdFiles: Deskjet-2540-series: HP Deskjet 2540 Series, hpcups 3.14.3 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-86-generic root=UUID=0d248ee7-6e51-4cfd-aa7e-f1963792d493 ro quiet splash vt.handoff=7 SourcePackage: cups UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/25/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: FH dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: H61M-S2PV dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: To be filled by O.E.M. dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrFH:bd02/25/2013:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnH61M-S2PV:rvrTobefilledbyO.E.M.:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: To be filled by O.E.M. dmi.product.version: To be filled by O.E.M. dmi.sys.vendor: Gigabyte Technology Co., Ltd. ** Affects: cups (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apparmor apport-bug third-party-packages trusty -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1582251 Title: CUPS does not find network Samsung SCX-4729FD printer Status in cups package in Ubuntu: New Bug description: CUPS does not find network Samsung SCX-4729FD printer i.e. one connected to router's ethernet socket. This error is intermittent. It occurs because I have to keep deleting and adding networked Samsung SCX-4729FD printer, due to desktop being informed that printer is not connected when attempting to print. printer-driver-splix (version 2.0.0+svn315-2fakesync1) package is installed. Add button (in Printers dialog) does not find (using Find Network hotspot) Samsung SCX-4729FD printer printer: it used to do so. Similarly, localhost:631/printers (in Firefox) does not find Samsung SCX-4729FD printer. Printer has static ip address (on my network) of 192.168.1.20 Ping of printer shows connection is OK: john@Desktop:~$ ping 192.168.1.20 PING 192.168.1.20 (192.168.1.20) 56(84) bytes of data. 64 bytes from 192.168.1.20: icmp_seq=1 ttl=64 time=0.516 ms Firewall has port 631 open. Using Ubuntu 64 bit desktop fully up to date. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: cups 1.7.2-0ubuntu1.7 ProcVersionSignature: Ubuntu 3.13.0-86.130-generic 3.13.11-ckt39 Uname: Linux 3.13.0-86-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CupsErrorLog: CurrentDesktop: Unity Date: Mon May 16 14:53:17 2016 InstallationDate: Installed on 2014-04-25 (752 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) Lpstat: device for Deskjet-2540-series: usb://HP/Deskjet%202540%20series?serial=CN51A5721J0604&interface=1 MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M. Papersize: a4 PpdFiles: Deskjet-2540-series: HP Deskjet 2540 Series, hpcups 3.14.3 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-86-generic root=UUID=0d248ee7-6e51-4cfd-aa7e-f1963792d493 ro quiet splash vt.handoff=7 SourcePackage: cups UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/25/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: FH dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: H61M-S2PV dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: To be filled by O.E.M. dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrFH:bd02/25/2013:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnH61M-S2PV:rvrTobefilledbyO.E.M.:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: To be filled by O.E.M. dmi.product.version: To be filled by O.E.M. dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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