PrintServer Printers PostScript Level 2 Programmer's Supplement

This document serves as a programmer's supplement for users developing applications or programming for Digital Equipment Corporation's PrintServer printers (including PrintServer 17, 17/600, turbo PrintServer 20, and PrintServer 32 plus) using PostScript Level 2.

It provides detailed information on PostScript parameters and resources, covering page device parameters (such as BeginPage, Duplex, HWResolution, InputAttributes, OutputAttributes, and PageSize), user parameters, and system parameters. The document also lists parameters for the %LaserJetIII% emulator, which supports PCL5 emulation on these printers.

A significant portion is dedicated to the DECimage Plus image enhancement feature, explaining its halftone processing, controls for adjusting gray level tonal range (Punch parameters), and image sharpness. It describes how to invoke DECimage Plus for current or subsequent jobs using specific PostScript operators.

Finally, the supplement enumerates and explains a range of PostScript extension operators supported by PrintServer printers, detailing functionalities related to media sizes, page size operators, output positioning, job control, and system status retrieval.