Click on Printers & Scanners.
Click the + button to add a printer. Click on Windows, ssccurric, then scroll down to ServerPRINT.
You may be asked to authenticate to ServerPRINT.
Enter your SSC Username and Password.
Put a tick in the box "Remember this password in my keychain".
Select the printer you want to install.
Click on Use: and select "Select Software"
Type the printer model in to the search box and select the correct print driver.
Check the list below, or look at the printer, they all have a model number (P1505n, P2015dn).
Accept the default printer settings by clicking on OK.
Repeat from the start if you want to install more printers.
Don't forget to install PaperCut...