Apparatus and method for determining the page description language in which a print job is written

摘要

There is provided a printing system for producing prints from a print job written in one of a plurality of page description languages with the print job assuming the form of a print job stream (20). The printing system includes a plurality of page description language analyzing units (202) for sampling the print job stream, each analyzing unit outputting an information signal (I0....In) which provides information regarding the print job stream. A filter (204), which receives the information signals, processes the information signals and outputs a filtered signal which indicates the page description language in which the print job is written.