Microsoft Knowledge Base Article 316088 contains the following summary:

This step-by-step article describes how to use Gateway Services for NetWare to share a NetWare printer with Windows-based client computers. After you complete the procedure that is described in this article, Windows-based clients can connect to the shared printer on the Windows 2000 Server-based computer on which Gateway Services for NetWare is installed to gain access to the shared NetWare printer.