To provide an environment realizing high-speed printing without increasing the operations of a user.

This information processor comprises an application-depending PDL selection means 7 for selecting a page description language (PDL) according to an application which forms printing data; and a multi PDL data generation means 9 for generating PDL data of the printing data in the selected page description language. A printer corresponding to the PDL data generated by the means 9 is designated, and designation information of the printer and the PDL data are transmitted to a clustering server 5002 as a printing job.