The varioPRINT 140 Series User Manual describes how to use the system.
the "FreeFlow Output Manager Command Line Users Guide" offers more information concerning XPIF. You can download this manual from the support site of Xerox.
The PRISMAsync Print Server offers support for a number of protocols. Some of the protocols have specific Oce extentions. All protocols are based on the standard protocols as described by RFCs. A Request for Comments (RFC) is a document published by the Internet Engineering Task Force (IETF). An RFC describes methods, behaviours, research, or innovations applicable to the working of the Internet and Internet-connected systems. You can find the RFC documents at: http://www.ietf.org/rfc.html