Xerox 721P85530 Printer User Manual


 
OVERVIEW
1-6 XEROX DOCUPRINT 180 LPS PDL REFERENCE
Report task (RPT)
The report task works in connection with the input task. It records the
disk addresses of the font, form, and image files to be used for the
job. The result is a page buffer and a page log for each page to be
printed. The page buffer consists of the variable data and print
instructions for the page. The page log consists of tracking
information used in processing the page.
Dynamic job descriptor (DJD) task
The dynamic job descriptor (DJD) task compiles the dynamic job
descriptor entries (DJDE) in the input data stream. The DJDEs give
the LPS instructions for printing based on IDEN command parameter
specifications in the input data stream.
Output processing task
The output processing task uses the page logs written by the input
task to load fonts, graphics, and variable data in the Advanced Image
Subsystem (AIS). It coordinates the activity of the AIS with the
printer. In addition, output manages delivery of the printed pages to
the correct bins, performs page recovery if necessary, and performs
accounting functions.
Print description language (PDL) processor
The PDL compiler compiles an ASCII job source language (JSL) file
into object code and saves it as a job descriptor library (JDL) file. It
also creates ancillary files like PDE, CME, STK, LIB, etc.
Forms description language (FDL) processor
The FDL compiler compiles an ASCII form source language (FSL)
file into executable object code and saves it as an (FRM) form file.