OfficeJet 8600: Impossible to connect my computer to my HP Officejet N911a 8600

I can't connect my printer to my computer.  He worked a few days ago and now is not.  I followed all the troubleshooting tips.  The wireless network test results say 'no problem found, Bravo on the installation of your printer.' I tried to uninstall the printer with the thought to add it back in, but no printer does not appear on the list of devices. I worked on it for 2 hours!  Help!

Hello @TKinsella,

Welcome to the Forums of HP Support!

I would like to help you today to solve the problems of wireless communication that you experience when you try to install your HP Officejet Pro 8600 e-all-in-one printer on your computer Mac OS X 10.10. Thanks for your Test result of wireless network, including in your message. Because your machine displays "no problems found" I think that you are experiencing either a router or your Mac problem can "block" wireless with your printer, either due to a firewall or is not connected to the correct network. To solve this problem network can I please have you follow the steps below.

Step 1: Check of connectivity:

  1. On your Officejet front panel, select the right arrow
  2. Select configuration
  3. Tap the network Menu
  4. Select View Network Summary
  5. Select the wireless mode
  6. Make a note of the IP address that appears
  7. On your Mac, open the internet browser
  8. In the address bar type in the printers IP address. Do not include the www.
  9. Search this site. A page for your printer should appear.
  • If a page for your printer correctly that means that with 100% certainty that your printer and your computer are "talk" to each other on the network. Therefore, there may be something on the Mac, blocking the printer from being reinstalled. Please disable the firewall that you have on your Mac and try to 'Add' your printer in return.
  • If a page for your printer is unable to display this indicates that your Mac and your printer communicate wirelessly. Please check on your Mac and confirm that it is still connected to the same network that is connected to your HP Officejet. Make sure that your computer and your printer are both connected to the network 2 GHz. If you have a double router broadband, it may be broadcasting a network of 2 GHz and 5 GHz network. Printers are not supported on 5 GHz networks. Also, make sure that your Mac is not connected to a network of comments. If you don't know how to check if your network is 2 GHz or 5 GHz, you may need to speak with your router manufacturer. If network settings are correct, proceed with the steps below.

Step 2: Powercycle network:

  1. Start by unplugging the power cable to your router
  2. Once your router is unplugged, turn your printer off
  3. Then, shut down your computer
  4. After 30 seconds to 1 minute, reconnect your router back in
  5. Then, turn on your printer
  6. Turn on the computer

After a few moments, your internet connection will return. Please check on your Mac and you're able to navigate to Web sites before you continue. Once your network working again please collect IP address, your printer off. Once you try the IP address to open the printers again site on the Mac. If a website opens successfully, try adding your printer to your Mac.

Please reply to this message with the result of your troubleshooting so far. Please let me know if you are able to open the printers (browser EWS) site. I look forward to hear from you!

Tags: HP Printers

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