If File and Printer Sharing are not already set up on your system, follow these steps to prepare your system.
See Also
Preparing the Software to Receive Jobs from Clients
Setting Up File and Printer Sharing for Windows Vista
Setting Up File and Printer Sharing for Windows XP
Setting Up File and Printer Sharing for Windows Server 2003
Installing the AppleTalk Protocol
Windows Client Setup
Macintosh OS X Client Setup
Sharing PPDs over a Network