HP ENVY 4520 stopped printing
Run hp print and scan doctor. After running the scan, if the issue still persists, uninstall the printer drivers from the root level and reinstall the new printer drivers from support.hp.com In Windows, search for and open Programs and Features. Select your HP printer. Select Uninstall. In Windows, search for and open Devices and Printers. In the Devices and Printers window look for your HP Printer. If you see it listed, right-click on it and choose “Delete” or “Remove Device.” Open up the run command with the “Windows Key + R” key combo. Type printui.exe /s and click OK. Click on Drivers tab. Look for HP Printer driver. If you see it click on it and click Remove at the bottom. Select OK. Select Apply and OK on the Print Server Properties windows. Close Devices and Printers.