Open settings > Select "Printers and scanners"
Click on the plus on the bottom left
Select IP from the top menu
Enter localhost IP 127.0.0.1
Select Generic PostScript Printer in the Use dropdown
It will try to verify the printer, this is not important so just click continue
It will show that it is setting up your printer. Click OK
The Dummy printer is now setup and ready to be used
Go to devices to check that the printer is available next to your shipping labels.