Scanner just stopped working on my hp officejet 4650

[ncroadranger]

Get message. Couldn't connect to scanner.

[Raj_05]

Hi @ncroadranger,

Welcome to HP Support Community.

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

It sounds like you're experiencing connectivity issues with your HP OfficeJet 4650 scanner. Here are some steps you can take to troubleshoot and resolve the issue.

Check Connections:

• Ensure the printer is properly connected to your computer or network.
• If using a USB connection, make sure the cable is securely plugged into both the printer and the computer.
• If using a wireless connection, ensure the printer is connected to the same Wi-Fi network as your computer.

Restart Devices:

• Restart both your computer and the printer. This can often resolve connectivity issues.

Check Scanner Status:

• Make sure the scanner is not already in use by another application.
• Open the HP Print and Scan Doctor tool (available from HP's website) to diagnose and fix scanner issues.

Update Drivers and Software:

• Go to the HP support website and check for any available updates for your printer's drivers and software.
• Install any updates and restart your computer if necessary.

Reinstall Scanner Drivers:

• Uninstall the current scanner drivers from your computer.
• Download and install the latest drivers from the HP support website.

Firewall and Security Software:

• Ensure that your firewall or security software is not blocking the scanner.
• Temporarily disable the firewall or security software to see if the scanner connects.

Check Network Settings:

• If you're using a network connection, check the printer's IP address and ensure it hasn't changed.
• Reconfigure the printer's network settings if necessary.

Use Windows Troubleshooter:

• Go to Settings > Update & Security > Troubleshoot.
• Select "Printer" and run the troubleshooter to detect and fix any issues.

I hope this helps.

Take care and have a good day.

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Alden4

HP Support 

[Will-2024]

I had the same problem: HP Smart stopped being able to do scans (OfficeJet 4650 connected to a Windows computer). It had been working for years before today.

Unplugging/re-plugging the printer did not help.
Scan Doctor indicated a failure at the "HP Scan" step.

I installed latest firmware and also ran the "Print and Scan Driver" utility (Full_Webpack-40.15.1231_1-OJ4650_Full_Webpack.exe).

Note: the "Print and Scan Driver" utility got as far as the "Activation" step and then it displayed a blank window. When I clicked to close the Window, it offered me a link to resume later. I closed the window and then pasted the "resume" link into a browser. This seems to lead me to installing HP Smart, which I already have.

But now the scanner works, or at least Scan Doctor was able to do a Test Scan, which I used to do to scan a real document and save it as a PDF.  The weird thing is, HP Smart still gives the same error. Maybe that will be fixed if I reboot my computer? But if all else fails, it seems like I can scan if I use Scan Doctor to do a "Test Scan"