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Download and setup software to your PC from 123.hp.com/envy4520. Open the scanner in your HP envy 4520 printer. Keep the document or photograph on the scanner glass upside down and close the cover.
On your Windows computer, go to Start menu and click on it. Go to All Programs and click "HP Solution Center" in the HP folder.
In the HP Solution Center, click on "Scan Picture" or the "Scan Document" button based on the document placed in the scanner.
Now, you need to pick the storage location for saving the scanned item on your computer.Click on "Scan" and then "Ok" button after choosing the storage location.
On finishing the above step, a preview window will open up, in which you can make further changes if necessary, and then finally click "Finish" to complete the scan.