Patent ID: 7023566
Filing Date: 2006-04-04
Classification: G06F

Abstract:
1. In a printing system, a method of page description (PDL) on demand printing, comprising: receiving a document file to be printed, wherein the document file comprises image data written in a page description language; identifying the page description language used to generate the document file; if a PDL interpreter for the identified page description language is not stored locally in the printing system, locating a PDL interpreter for the identified page description language external to the printing system; wherein locating a PDL interpreter for the identified page description language external to the printing system comprises locating the PDL interpreter at a vending means and further comprising: upon receipt of the payment, the vending means authorizes downloading of the PDL interpreter by the printing system; downloading the identified PDL interpreter; executing the PDL interpreter to transform the document file into a form of data operative by the printing system; and printing the document file.