• ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
  • ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
Guidelines
We have new content about printers, Click here to check it out!
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
Microsoft Windows 10 (64-bit)

I changed my modem password and now cannot get my Envy Pro 6400 added

1 REPLY 1
HP Recommended


This video shows how to connect to the modem using hp_smart and a smartphone
https://www.youtube.com/watch?v=nDQ_is0ElfU&ab_channel=PrinterTales

You may need to reset the printer and that is shown on page 6. Page 27 shows how to do the WPS or push button setup.
6400 series http://h10032.www1.hp.com/ctg/Manual/c06584213.pdf


Full feature software April 2024

Deskjet reference 6400 series


Thank you for using HP products and posting to the community.
I am a community volunteer and do not work for HP. If you find
this post useful click the Yes button. If I helped solve your
problem please mark this as a solution so others can find it
† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.