computer can't find printer

[Pez714]

HP Office jet ALL in one 4655

was offline with wifi change. got it back online, but computer, all devices cannot find printer which print request

[A_Gayathri]

Hi @Pez714 ,

Welcome to HP Support Community.  

Thank you for posting your query, I will be glad to help you.

If your HP OfficeJet 4655 was offline due to a Wi-Fi change, and you've already ensured that it's back online, but your computer and other devices still can't find the printer, here are some troubleshooting steps you can try:

Check Wi-Fi Connection:

• Make sure that your printer and computer are connected to the same Wi-Fi network.
• Verify that the Wi-Fi network name (SSID) and password are correctly entered on the printer.

Restart Devices:

• Turn off your printer, computer, and any other devices connected to the network.
• Power them back on, starting with the modem/router, then the printer, and finally your computer.

Printer Status:

• On the printer's control panel, check for any error messages or issues.
• Ensure that the printer is in a ready state and not displaying any error lights.

HP Print and Scan Doctor:

• Download and run the HP Print and Scan Doctor utility from the official HP website. This tool can diagnose and resolve common printing problems.

Reinstall Printer Driver:

• Uninstall the existing printer driver on your computer.
• Visit the HP official website, download the latest driver for your printer model, and reinstall it.

Check Firewall/Antivirus Settings:

• Sometimes, firewall or antivirus settings can block communication between the computer and the printer. Temporarily disable them to check if they are the cause of the issue.

Printer IP Address:

• Obtain the printer's IP address from its control panel or a network configuration page.
• Ensure that the IP address on the printer matches the one assigned by your router. Manually set a static IP address if needed.

Windows Troubleshooter:

• Run the built-in Windows Troubleshooter for printers. Go to Settings > Update & Security > Troubleshoot > Additional Troubleshooters > Printer.

Update Firmware:

• Check if there are firmware updates available for your printer on the HP support website. Updating firmware can sometimes resolve connectivity issues.

Router Settings:

• Check your router settings to ensure that it is not blocking communication with the printer. Some routers have features that can interfere with device connectivity.

Check for Software Conflicts:

• Ensure that there are no conflicting software or applications on your computer that might be preventing the printer from being detected.

I hope this helps. 

Take care and have a good day.

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Gaya1239

HP Support