If you want to print from the public Windows computer in Math 401, you need to log in to the PaperCut server using your Math username and Math password.  After you choose to print something, you should see a window that looks like this:

Log in with your MATH username and password.

PaperCut will log you out automatically after 5 minutes. If you wish to log out sooner:

RIGHT-CLICK on the PaperCut icon on the lower right  and choose "Logout."