Error message -

[Centauri1]

HP Smart Tank 790 - Error message all of a sudden!! Scan function has been disabled!

How to fix this please

[A_Gayathri]

Hi @Centauri1,

Welcome to The HP Support Community.  

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

I understand you are facing an issue with your HP Product. Not to worry I will help you to get a resolution to resolve the issue.

To troubleshoot and fix the "Scan function has been disabled" error on your HP Smart Tank 790, follow these steps:

1. Restart the Printer and Computer

• Turn off your printer and computer.
• Unplug the printer from the power source.
• Wait for about a minute, then plug the printer back in and turn it on.
• Restart your computer and check if the error persists.

2. Check for Software and Firmware Updates Update the firmware on an HP printer

• Open the HP Smart app or go to the HP Support website.
• Check for any available updates for your printer's firmware and software.
• Install any updates and restart your printer and computer.

3. Check Printer Connections

• Ensure that your printer is properly connected to your network or computer.
• If using a USB connection, make sure the cable is securely plugged in.
• If using a wireless connection, ensure your printer is connected to the correct Wi-Fi network.

4. Reinstall Printer Drivers

• Open your computer's settings and go to the "Printers & Scanners" section.
• Remove the HP Smart Tank 790 from the list of printers.
• Go to the HP Support website and download the latest drivers for your printer.
• Install the drivers and add the printer again.

5. Run HP Print and Scan Doctor (Windows) HP Print and Scan Doctor

• Download and run the HP Print and Scan Doctor tool from the HP website.
• Follow the on-screen instructions to diagnose and fix any issues with your printer.

6. Reset Printer to Factory Settings

• On your printer's control panel, navigate to the settings menu.
• Look for an option to restore factory settings or reset the printer.
• Confirm the reset and wait for the printer to restart.
• Reconfigure the printer settings and check if the scan function is restored.

7. Check for Any Specific Error Codes

• If there's a specific error code displayed with the "Scan function has been disabled" message, look it up on the HP Support website for detailed troubleshooting steps.

Refer to this document: HP Smart Tank 790 series User manual

I hope this helps. 

Take care and have a good day.

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