UU_400_EB000U0701 error code

[Nuri101]

i buy a hp deskjet ink advantage 2878 all-in one printer. But i can not properly setup. Driver give me error code and error code is UU_400_EB000U0701. How can i solve my problem?

[Hawks_Eye]

Hi @Nuri101 

Welcome to the HP Support Community! We're here to help you get back up and running.

Thank you for sharing the error and confirming your troubleshooting efforts. I understand how frustrating it is when setup stalls unexpectedly. 

The error code UU_400_EB000U0701 during setup of your HP DeskJet Ink Advantage 2878 typically indicates a failure in account registration or printer initialization through the HP App. This can be resolved by following a few focused steps.

Steps to Resolve UU_400_EB000U0701 Setup Error

These steps are based on HP’s official guidance for app-based setup errors:

 

1. Restart the Setup Process

• Close the HP App completely.
• Disconnect the printer from power and wait 60 seconds.
• Reconnect the printer and ensure it’s powered on.
• Reopen the HP App and begin setup again.

 

2. Check Internet Connection

• Ensure your computer or mobile device is connected to a stable Wi-Fi network.
• Avoid using VPNs or proxy connections during setup.
• If possible, connect to a different network and retry setup.

 

3. Sign In with a Valid HP Account

• Open the HP App and sign in with your HP account.
• If account creation fails, try using a different email address or browser to register at HP Account Portal.

 

4. Complete Hardware Setup First

• Make sure the printer is fully initialized:
  • Remove all packaging materials.
  • Install ink cartridges and load paper.
  • Wait for the printer to complete its startup sequence before connecting to the app.

 

5. Use the Full Software Installer (Windows)

• Download the full driver and software package from:
  HP DeskJet Ink Advantage 2878 Drivers
• Run the installer as administrator and follow prompts to complete setup

 

6. Clear HP App Cache (If Using Mobile)

• On Android: Go to Settings > Apps > HP App > Storage > Clear Cache
• On iOS: Uninstall and reinstall the HP App from the App Store

You can find the official troubleshooting article here:
HP App Errors During Setup and Account Registration

Let me know at which step the error reappears, and I’ll guide you further. You’ve done a great job staying persistent — let’s keep going until your printer is ready to deliver smooth, reliable prints.

I’m sorry you’re facing this setup error, and I appreciate the steps you’ve already tried. Let’s work through a clear, positive troubleshooting path to get your inkjet printer working smoothly:

If my response helped, please mark it as an Accepted Solution! ✅ It helps others and spreads support. 💙 Also, tapping "Yes" on "Was this reply helpful?" makes a big difference! Thanks! 😊

Take care, and have an amazing day!

Regards, 

Hawks_Eye