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Common problems for Connectivity Issues
We would like to share some of the most frequently asked questions about Printer Wi-Fi, Connectivity Issues and Offline Status. Check out this link: HP printer is offline or unavailable.
HP Recommended

Hi

I can't figure out what we need to do in our printer/scanner.

When we try to scan from printer to mail, this shows up:

Username or password is incorrect. Make sure both user account and password are valid

what do i do from here?

 

our printer is: HP Color LaserJet Pro M478f-9f

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