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Check some of the most frequent questions about Instant Ink: HP INSTANT INK, HP+ PLANS: INK AND TONER.


Check out our Black or Color Ink Not Printing, Other Print Quality Issues info about: Print quality and Cartridge Issues.
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‎06-15-2026 11:04 AM

HP Recommended

Hi I have a deskjet 2800e printer and it has an

optiom to get 3 month free trial ink subscription however when i was about to check out it gave me an error message. This is the code: UA_400_EB000U0422

 

could you please help me complete the checkout process? Thanks

Category:
1 REPLY 1

‎06-17-2026 03:18 AM

HP Recommended

Hi @Soul-joker,

Welcome to the HP Support Community.

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

The error you saw while trying to register your HP DeskJet 2800e for the 3-month HP Instant Ink trial appears to be an enrollment/setup issue.
 

What to do:

  1. Make sure your printer is eligible and connected to the internet.

    • HP Instant Ink enrollment requires an eligible HP printer, internet connection, HP account, and email address.
       
  2. Try enrolling again from the HP Instant Ink website.

    • Go to HP Instant Ink and click Sign Up Now.
       
  3. If you are enrolling during setup, complete setup with the HP app.

    • Use the HP app to finish printer setup and account sign-in.
       
  4. If the error continues, contact HP Instant Ink support.

    • HP recommends contacting HP Instant Ink support for unresolved enrollment/subscription issues.

Helpful note:

To claim a trial that came with a new printer, HP says you must enrol within 7 days of printer setup.

 

I hope this will help.

 

Take care and have a good day.

I'm an HP Employee.


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