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Wireless printer with bridged UPC router

  • 05-09-2014 11:00am
    #1
    pajor
    Registered Users, Registered Users 2 Posts: 3,573 ✭✭✭


    A while back I bridged our UPC Cisco over to a TP Link cable router which has since been working almost flawlessly. Except for the wireless printer (HP C4780). After going through the usual setup for it, it says that computer cannot communicate with the printer. Even though it is showing on the router access page that it's connected to the router.

    I'm guessing disabling certain settings, like DHCP on the Cisco router in order to be able to bridge over has something to do with this.

    Any suggestions pleeeeeease?


Comments

  • #2
    inforfun
    Registered Users, Registered Users 2 Posts: 20,862 ✭✭✭✭inforfun


    Does that HP have any kind of bi-directional communication?
    If so, should be in the driver settings.
    Might be that a firewall of some kind filters out this communication making the pc think, the printer is off line.


  • #3
    pajor
    Registered Users, Registered Users 2 Posts: 3,573 ✭✭✭pajor


    inforfun wrote: »
    Does that HP have any kind of bi-directional communication?

    Can't find anything of the sort.
    inforfun wrote: »
    Might be that a firewall of some kind filters out this communication making the pc think, the printer is off line.

    Anti-virus is allowing all printer related programmes.


  • #4
    Cuddlesworth
    Registered Users, Registered Users 2 Posts: 14,012 ✭✭✭✭Cuddlesworth


    Do you have more then one access point? Is the UPC modem actually bridged with the wireless turned off?


  • #5
    pajor
    Registered Users, Registered Users 2 Posts: 3,573 ✭✭✭pajor


    Cuddlesworth wrote: »
    Do you have more then one access point? Is the UPC modem actually bridged with the wireless turned off?

    It is.


  • #6
    ressem
    Registered Users, Registered Users 2 Posts: 2,426 ✭✭✭ressem


    Is the DNS setting used by your computer pointing at your TP Link, or at an external provider?
    How does the computer address the printer?
    Can you connect to the printer's built-in web server by putting it's IP into a browser?

    If not you should be able to hold down one of the printer buttons for a few seconds to get it to print it's status properties.

    It's probably setup on your computer to be located by hostname.
    To verify, look at the printer properties.


    Control Panel \ Devices and Printers
    Right click the printer, depending on the operating system it might be called Printer properties or properties.
    There should be a tabbed dialog, one tab is ports.

    What type of port is checked?
    Does it have a description of "Standard TCP/IP port" or a "WSD Port".

    If TCP /IP is ticked then Look at "Configure Port".

    Under "Printer Name or IP Address", you'll probably see an address that looks like HP7A1B2C3.

    If this hostname isn't mapped to the IP address by your DNS server then your computer won't know where to find the printer.

    In which case you could
    A) add a DHCP reservation on your router so it always allocates the same IP to your printer.
    B) use the web configuration page of the printer to set a static IP address.

    Then configure the printer port to the static IP address instead of the hostname.


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  • #7
    pajor
    Registered Users, Registered Users 2 Posts: 3,573 ✭✭✭pajor


    ressem wrote: »
    In which case you could
    A) add a DHCP reservation on your router so it always allocates the same IP to your printer.
    B) use the web configuration page of the printer to set a static IP address.

    Then configure the printer port to the static IP address instead of the hostname.

    Turned out I had the wrong IP address for the printer. Added a DHCP reservation for the printer and is working fine now. Must try with another laptop now too.

    Thanks for your help. :)


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