If your HP printer keeps going offline on Windows 10, there could be several reasons for this issue. To know more about hp printer keeps going offline windows 10. Here are some troubleshooting steps you can try to resolve it:

  1. Check Printer Connections:

    • Ensure that your printer is properly connected to your computer via USB cable or network connection (if it's a wireless printer).
    • If it's a wireless printer, ensure that it's connected to the same Wi-Fi network as your computer.

  2. Restart Devices:

    • Try restarting both your printer and your computer. Sometimes, a simple restart can resolve connectivity issues.

  3. Set Printer as Default:

    • Go to "Settings" > "Devices" > "Printers & scanners."
    • Select your HP printer and click on "Manage."
    • Then, click on "Set as default."

  4. Update Printer Drivers:

    • Outdated or corrupt printer drivers can cause the printer to go offline. Update the printer drivers to the latest version:
      • Go to "Device Manager" by pressing Windows key + X and selecting it from the menu.
      • Expand the "Print queues" section, right-click on your HP printer, and select "Update driver."
      • Follow the on-screen instructions to update the drivers.

  5. Check Printer Status:

    • Open "Control Panel" > "Devices and Printers."
    • Right-click on your HP printer and select "See what's printing."
    • If there are any pending print jobs, clear them.

  6. Restart Print Spooler Service:

    • Press Windows key + R, type "services.msc," and press Enter.
    • Scroll down and find the "Print Spooler" service.
    • Right-click on it and select "Restart."

  7. Disable SNMP (Simple Network Management Protocol):

    • Go to "Control Panel" > "Devices and Printers."
    • Right-click on your HP printer and select "Printer Properties."
    • Go to the "Ports" tab, select the port that your printer is using, and click on "Configure Port."
    • Uncheck the "SNMP Status Enabled" option.

  8. Firewall/Antivirus Settings:

    • Sometimes, firewall or antivirus settings may block communication with the printer. Temporarily disable them and see if the printer comes online.

  9. Check Printer Settings:

    • Access your printer's settings through its control panel or web interface and ensure that it's not set to offline mode.

  10. Update Windows:

    • Ensure that your Windows 10 is up to date. Sometimes, Windows updates include fixes for printer-related issues.

  11. Reinstall Printer:

    • If none of the above steps work, try removing your printer from Windows 10 and then reinstalling it:
      • Go to "Control Panel" > "Devices and Printers."
      • Right-click on your HP printer and select "Remove device."
      • Follow the prompts to remove the printer.
      • Then, reinstall the printer using the manufacturer's instructions. To know more about hp printer says offline but is connected. 

If the issue persists after trying these steps, you may need to contact HP support for further assistance, as there could be a hardware issue with your printer.