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×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
-
×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
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HP Recommended
HP Recommended
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There is only the one on/off button on the back.
Check the physical power connection and perhaps try another wall outlet.
At least for the purposes of testing, do not use a surge protector - a lot of power is used to switch on the device and the protector might squash the necessary power needs.
Printer Home Page - References and Resources – Learn about your Printer - Solve Problems
“Things that are your printer”
NOTE: Content depends on device type and Operating System
Categories: Alerts, Access to the Print and Scan Doctor (Windows), Warranty Check, HP Drivers / Software / Firmware Updates, How-to Videos, Bulletins/Notices, Lots of How-to Documents, Troubleshooting, User Guides / Manuals, Product Information (Specifications), more
When the website support page opens, Select (as available) a Category > Topic > Subtopic
HP ENVY Pro 6400 All-in-One Printer series
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