@mattsel, Welcome to the HP Support Community!
Which account are you referring to?
Have you already created an Instant Ink account?
Kindly contact the Instant Ink department in your region for assistance with enrolling the printer. The contact information can be found on the home page of Instant Ink. Click here
Alternatively, you may refer to this document.
Keep me posted for any other assistance.
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Have a great day!
KUMAR0307
I am an HP Employee