PostScript
Guide to Using Page Description Languages 1-7
PostScript with embedded PJL commands
PostScript files created for some Hewlett-Packard printers and
other compatible printers include PJL commands that specify the
use of a PostScript interpreter. DocuPrint NPS/IPS can
recognize a file as PostScript if it starts with code similar to the
following:
^[%-12345X@PJL ENTER LANGUAGE=POSTSCRIPT
Other PJL commands can be included at the start of the job, but
will be ignored.
NOTE: PJL commands in locations other than at the start of the
PostScript job will cause the job to be aborted.
PostScript language extensions
DocuPrint NPS/IPS emulates some, but not all, of the
LaserWriter II NTX (containing version 47 of Adobe PostScript)
product-specific functionality as noted in this section.
When unimplemented operators are encountered in the
PostScript master, the standard error message “Undefined”
appears on the job messages page.
This section contains PostScript dictionary entries that are
defined in the LaserWriter II NTX. These PostScript definitions
are not part of the PostScript language.