How to change default printer in Windows 10
George Services - Service Desk
To choose a default printer, select the Start button 
and then Settings 
. Go to Devices > Printers & scanners > select a printer > Manage. Then select Set as default. If you have Let Windows manage my default printer selected, you'll need to deselect it before you can choose a default printer on your own.
In Windows 10, your default can be the printer you last used. To turn on this mode, open Start and select Settings > Devices > Printers & scanners. Select the checkbox beside Let Windows manage my default printer.
As Windows 10 version may different because of the Windows update, sometimes may not show Set as default button, that's fine, you can click on Open Print queue. Click Printer, then click Set As Default Printer.
