Right-click the blank space in the Printers list, and then click Reset printing system.You may want to open each one and note the name, queue and driver used as you might need to refer to that information later. Make a note of the printers you have installed.Click Printers and Scanner / Print and Scan or Print and Fax.Click the Apple menu icon, and then click System Preferences.For more information, view the 'Related Articles' section.

If you are a Bowdoin faculty or staff member, run the Privileges app before attempting these steps. Note: You do need to have administrator privileges before running these steps.