how to turn on scnner to hp envy 4520 printer

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You never found a reply because there wasn't one

We do not work for Microsoft; we are mainly volunteers here.

A reply may take 10 minutes, 10 hours or a week.

All support for your Printer comes from HP, not from Microsoft.

Uninstall then reinstall your Printer using the correct Drivers and setup information at this HP website.

And there aretroubleshooting steps for it there too.

HP Website for your Printer: http://support.hp.com/ie-en/drivers

HP Printers - Using HP Diagnostic Tools for HP Printers in Windows

http://support.hp.com/au-en/document/c02073861

HP provides a free tool called HP Print and Scan Doctor to diagnose and resolve printing and scanning problems. Download and runHP Print and Scan Doctor to quickly and automatically perform several troubleshooting tasks. When this link is clicked, HP Print and Scan Doctor is downloaded using your Internet browser's download capabilities.

Or you can also ask in the HP Support Forums if the problem continues.

http://h30434.www3.hp.com/psg/

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This may assist you too:

"Fix printer problems"

https://support.microsoft.com/en-au/help/17420/windows-printer-problems#fix-printer-problems=windows-xp&v1h=win8tab1&v2h=win7tab1&v3h=winvistatab1&v4h=winxptab1

Cheers.