For a Microsoft Windows 2000 version of this article, see 301201
Microsoft Knowledge Base Article 323421 contains the following summary:
This step-by-step article describes how to set up print services on a Windows Server 2003-based computer. To permit users of client computers that are running non-Microsoft operating systems to print, additional services must be installed on the print server. These additional print services include the following:
Print Services for Macintosh
Print Services for UNIX
NOTE: The Print Services for Macintosh service is not available in Windows Web Server 2003.