Manage Default Printer on or off contains the registry files to enable or disable Windows 10 managing your default printer. You can also edit the registry or make the changes in settings as explained here.
Download 'Manage Default Printer on or off' from MajorGeeks.
Double-click Let Windows Manage My Default Printer - OFF.reg or Let Windows Manage My Default Printer - ON.reg (Default).
Click Yes when prompted by User Account Control. Click Yes when prompted by Registry Editor.