To add a printer Navigate to System Preferences > Printers and Scanners. Click the icon under the Printers List. The Add dialog is displayed. This dialog displays a list of all of the discovered printers on the network. Select a printer. The Name, Location, and Use is displayed. Check that Use is set to Secure AirPrint. If Secure AirPrint is not displayed: Close the Add dialog. Disconnect from the network. Reconnect to the network. Try again. If you still cannot see Secure AirPrint, contact PaperCut Support. Click Add. Print your document. When prompted enter your NDUS.identifier username and password. Repeat for any other required printers.