Remove Printer Driver is currently in use

First go to Devices and Printers and remove the printer.
Now stop the print spooler service.
Open regedit and go to the following key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print\Environments\Windows x64\Print Processors\
Re-name all Print Processors you see here, such as: Winprint to Winprint.old, Hpcpp107 to Hpcpp107.old, and so on …
Now go back to Services and start the Print Spooler.
Now go to Printmanagement.msc and remove the full printer driver package.
Now open the registry again and go again to the following key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print\Environments\Windows x64\Print Processors\
Now rename all Print Processors to OLD.
Now go to Services and restart the Print Spooler.
Reinstall the new drivers and test again.

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