macOS - DIRECT-WiFi
1.) Move to a place with a guest printer nearby
2.) Open the WiFi settings
3.) Connect to the DIRECT-WiFi of the printer
4.) Open the System Preferences
5.) Open Printers & Scanners
6.) Click Add (+) to install a printer
7.) Select the printer an click "Add"
8.) The printer installation starts ...
9.) ... and finshed successful