Printers need a static IP address so that they will reliably accept print jobs on the network. Most HP printers can be reset to factory defaults (or cold-reset ) by turning the printer off and holding down the Online or Go button while turning the printer back on. The printer control panel display should read "Cold Reset" or "Restoring Factory Settings" or something like these lines. This will remove any IP address that the printer had previously.

Once you perform a Cold Reset, then print a Printer Configuration Page and the printer doesn't print an EIO # JetDirect Page, follow the Troubleshooting steps below to help the printer "see" the Network card again.

1. Re-seat the JetDirect network card.
   
   NOTE: If the printer doesn't print a page with the IP address, the JetDirect network card in the printer may need removed and reseated. The following are sample images. Your printer may have the JetDirect network card in a different location.

   

   1. Turn off the printer and disconnect the printer’s power cable.
   2. Locate where the network cable is attached. See above image. Remove the network cable.
   3. Loosen the retaining screws on the JetDirect card.
   4. Pull the HP JetDirect card out 2 - 3 inches. You don't need to remove it the entire way.
   5. Insert the HP JetDirect card back into the printer’s EIO slot and ensure that it is firmly seated.
   6. Fasten the retaining screws. Plug in the network cable and the power.
   7. Print the Configuration Page. You should see the EIO # JetDirect Page.
   8. See How To Assign an IP Address on HP Printers to add an IP Address to the printer.
      
      
2. Embedded JetDirect network card.

   NOTE: The HP 4250 and 4350 have embedded LAN devices. You can't pull their cards. You must enable the LAN Device during the printer startup process.

1. Turn off the printer.
2. Power on the printer and watch for the memory count to begin.
3. Hold down the SELECT (Checkmark) button, when you see the memory count begin. Continue holding down the SELECT (Checkmark) button until all three printer control-panel lights flash once and then remain on. This might take up to 10 seconds.
4. After the message SELECT LANGUAGE appears on the display, press the UP ARROW button or the DOWN ARROW button until the Display shows Embedded LAN.
5. Press the SELECT (Checkmark) button to enable the Embedded LAN choice.
6. The printer should complete the power on process.
7. Print the Configuration Page. You should see the EIO # JetDirect Page.
8. See How To Assign an IP Address on HP Printers to add an IP Address to the printer.

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1. Turn off the printer. Turn the printer back on. Wait for it to warm up.
2. Press MENU repeatedly until INFORMATION MENU is displayed.
3. Press ITEM until PRINT CONFIGURATION appears.
4. Press SELECT (or ENTER).
5. Two pages are normally printed. On the EIO # JetDirect Page, look for the LAN HW ADDRESS or IP ADDRESS value. This number is the printer's TCP/IP address.
   
6. Verify that this IP address is CORRECT for the printer.
7. At this point, you should be able to create new printers that point to this new IP address.

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