MAC: Find the "PawPrints" app in your Applications folder and drag it to the trash. If you cannot drag the app to the trash since it is running, first look for the icon in the task tray, right click on it, and click "exit." This will close the application.

You may also remove all PawPrints printers from "System Preferences > Printers & Scanners" by selecting each one and clicking the "-"

PC: Go to "C:Program Files (x86)PaperCut NG Client" and run the "unins000" uninstaller application.

You may need to remove the printers from "System Settings > Printers & scanners" by selecting each printer and choosing "Remove device"