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HP Designjet T120 and T520 ePrinter Series - Wired network issues

This document is for the HP Designjet T120 and T520 ePrinters.
The following are symptoms of wired network connectivity issues:
  • HP software provided with the printer is unable to find the printer and does not install.
  • A 'No IP or Connectivity' error displays on the front panel or the IP address is not picked up by the printer.
  • The IP address is configured in the printer, but the printer does not respond to print jobs.

Solution

These steps are useful in resolving wired network connectivity issues.
  1. Obtain the printer's configuration informationIP address by using one of the following methods:
    • Print the Network Configuration Page. From the front panel, touch the Settings () icon, then select Internal Prints, User Information Prints, and then Network Configuration Page.
      Figure : Network configuration page
      Network configuration page
      The General Information shows what the printer sees.
      Where Status is Not Ready and Active connection Type shows LAN Error Loss of Carrier, it suggests that there is no cable connection. In that case check the physical connections at the rear of the printer as per point 4 options a – e below.
      Network Status should show as Ready and Active Connection Type as LAN
      This indicates the printer can see onto the network, even if not configured, or there is some other blockage to communication. A Physical connection has been established.
      Once that is done then the logical connection needs confirmation in the IPv4 area. This is the unique address assigned to the printer. In this case above it is 192.168.0.92. It also advises the configuration source as DHCP. Dynamic Host Control Protocol is a service that can run over a network which will automatically discover and assign unique addresses directly to the printer. DHCP may take some time to establish a new address. Also be aware that the address is on lease only, and will be release by the printer and a new one assigned after a pre-determined time as set in the DHCP server. This will often occur when the printer has been switched off for a while. See the local network administrator where this occurs. They can either change the time out or even reserve that address for that printer.
      Where there is no DHCP service a Manual address will need to be assigned and input through the front panel. Configuration type is displayed first as Not Configured, and then once a manual address is input, as Manual.
      On a new installation, if the IP address remains as 0.0.0.0 or 192.0.0.192, but it does recognize a connection. Upgrade the Firmware (see the user guide for detailed instructions), perform a hard reset powering off from the back of the printer.
      Once a connection is established and a logical address is present then move onto step 2.
  2. Access the printer's Embedded Web Server (EWS) by using a computer on the same network as the printer. Open a web browser and type the printer's IP address. If the EWS can be accessed, then there is no connectivity issue.
  3. Compare the IP address in the printer's driver settings on your computer to the IP address listed on the Network Configuration Page.
    Windows 7 or Vista
    1. Click Start, click Control Panel, and then double-click Devices and Printers.
    2. Right-click the printer icon, click Properties, and then click the Ports tab.
    3. Select the TCP/IP port for the printer, and then click Configure Port.
    4. Compare the IP address listed in the dialog box to the IP address listed on the network configuration page.
      • If the IP addresses are different, change the IP address in the dialog box to match the address on the network configuration page.
      • If the addresses are the same, continue to the next step.
    5. Click OK twice to save the settings and close the dialog boxes.
  4. Check or perform the following if the EWS cannot be accessed or the printer is not assigned an IP address:
    1. The cable connections between the computer and the printer are secure.
    2. The router for the network is on and working properly.
    3. The printer and computer are on the same network.
    4. Unplug and reconnect the Ethernet cable. Make sure that the yellow and green lights on both the Ethernet connector and the router are blinking.
    5. Connect the printer to a different wall/router Ethernet socket, if available.
    6. Use a different Ethernet cable, Category 5 or above, to connect the printer to the router.
    7. If your computer is running a Windows OS, close or disable all applications, including virus protection programs, spyware protection programs, and firewalls.
    8. Confirm that the computer being used is on the same network as the printer. Select Start> Run> Type the letters CMD, at which point a new black command promt window will open. At the prompt, type <ipconfig> and press enter. You may need to scroll back up to find the local address information of the computer you are on. It will look similar to this:
      Figure : Command prompt screen with <ipconfig>
      Command prompt screen with <ipconfig>
      Then with the information from the printer Configuration page, compare the IP address and subnet mask. The IP address in simple networks should have the first three couplets the same 192.168.0.xx and the subnet mask should be the same for all 4 couplets 255.255.255.0. In the examples above, the printer is on IP address range 192.168.0.xx and the local PC is on 16.168.166.12. As such these two machine are on completely different networks, and cannot communicate.
      The logical thing to do in this case is to change the address of the printer to something that is within the same network address range. Please see your local administrator for this as a random selection can produce a duplicate address if already used and this causes even more issues. IP addresses must be in the same range but with the last couplet being unique.
      To change the printer address or to start from scratch move on to step 5.
  5. Restore the network default settings. From the front panel, touch the Settings () icon, then select Connectivity, and then touch Restore network defaults.
  6. Disable the ePrint and ePrint & Share services, if enabled.
    1. From the front panel, touch the Web Services Summary () icon.
    2. From the Web Services Summary, if the ePrint status and/or the ePrint & Share status are on, touch Settings in the lower left of the display, and then turn Off both the ePrint and/or ePrint & Share services.
      Figure : Web Services Summary screen
      Image: Web Services Summary screen
  7. Set a static IP address for the printer.
    1. From the front panel touch the Connectivity menu ().
    2. At the bottom of the screen, touch the Settings () icon, then select Advanced Setup, IP Settings, OK and then Manual. Enter the IP address from the Network Configuration Page, the subnet mask, and the gateway address. Your network administrator provides the subnet mask and gateway address.)

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