Cannot connect to the device anymore

Question

I have been using the above device (HP Photosmart 5510 e-All-in-One Printer - B111a), for several months, to print, scan and copy. The printer is configured wirelessly and is used by 2 different PCs (a desktop running Windows 8 and a laptop running Windows 7). Today, don't know for what reason, we cannot connect to the device from either of the two machines. I've unsuccessfully tried to re-set the wireless connection twice, including by re-running the set-up program. The printer function itself DOES work, it’s the wireless connection that doesn’t, as written in a diagnostic report I printed after failing to set up the device again using the device’s menu: “Your HP printer is unable to connect to your wireless router ... caused by the settings on the router ... and suggesting to change the wireless router encryption setting to “WPA-AES” or “WPA-AES or TKIP” and run the Wireless Setup Wizard again” . message and the webpage times out. If I try to run the setup from the Photosmart software on the PC, I get a message “The server at 192.168.0.20 is taking too long to respond” and the connection never occurs. ALSO, I've received a couple of errors saying that if I installed the printer by IP address, I might need to update the IP address and to use the Update IP Address item in the Start menu entry for the printer. I don't think I used the IP Address method to install the printer in the first place and, at any rate, I don't know where to find the Start menu for the printer.
Is anybody able to help?
Thanks, Franco

Answer 1

Welcome back to the HP Community @Franco111 !
I hope to lend you a hand with the wireless connection issues you are currently have with your Photosmart 5510 and your network.
I would first suggest power cycling the network devices, in this order:
Turn off the printer and computer and unplug the router for 1 minute (do not press any buttons on the router).
Plug the router back in and wait another minute, next turn on the printer and computer.
Run the Print and Scan Doctor to see if the tool can detect the printer on your network now.
If you are still not connected, try scoping out and trying this guide: HP Photosmart 5510 e-All-in-One Printer Series - Unable to Connect to a Wireless Network When Using ...
When you print out the Wireless Network Test Report, you will see your IP address. Try accessing the Embedded Web Server (printers webpage), from your PC by typing in the IP address in to a web browser.
If you are still getting a message to check your router settings, here is what you are looking to check over:
Network name and password to have no spaces or punctuation.
If using WPA2 security, switch to WPA personal.
Dual broadcast Wireless b/g/n (printer may connect to g).
Turn Mac Filtering Off.
Firewall settings need to be at their default settings, or set to a lower security.
Multicasting "on".
Following ports need to be un-blocked:
Incoming (UDP) ports : 137, 138, 161, 427
Outgoing (TCP) ports : 137, 139, 427, 9100, 9220, 9500
Let me know the results so far and we will go from there!
R a i n b o w 7000I work on behalf of HP
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