This invention relates to a print control apparatus having a function of acquiring detailed accounting data for a print job divided into a plurality of blocks. A printer driver generates print data such as a PDL interpretable by a printer on the basis of command data transferred from a GDI. The number...http://www.google.com.au/patents/US6618566?utm_source=gb-gplus-sharePatent US6618566 - Print control apparatus for generating accounting information relating to a print job