If you are unable to add a printer because you are being prompted for admin credentials, follow these steps below.
Open a Spotlight Search, search for “print center” and open the Print Center app
From the top menu, select Printer > Add Printer
Click on the middle Globe icon to add by host name / IP address
Enter the Print Queue Host Name in the Address field
Protocol: Line Printer Daemon – LPD
Click on the dropdown menu to the right of Use: and click “Select Software”
Search for and select the printer driver that corresponds with the printer model. Then click “OK“.
Note: most printer models on campus are Xerox Phaser 6600DN
Click “Add” and follow the prompts