The instructions on this page will tell you how to install the PaperCut Client on your Mac:
Go to "System Preferences"
Choose "Print & Fax"
Click "+" to add a printer
Control-click on the toolbar and select "Customize Toolbar"
Drag the "Advanced" icon onto the toolbar and click "Done"
Wait for it to stop searching for printers
Device: Another Device
URL: smb://portland/printername (e.g. smb://portland/ITS01)
Name: printername on portland (e.g. ITS01 on Portland)
Print Using: Generic PCL Driver, or Generic PS driver
Verify "Installable Options"
When you send a job to the printer a printer icon will appear in your dock. Click on that icon and find your print job on the list. Click "Resume." An authentication box will appear
Enter: anderson/username (e.g. anderson/jsmith) and your AU password