A computer readable recording medium bearing a printer driver program for controlling a print device, which is installed in a print job data processing apparatus constituting a printing system together with the printing device, the printer driver program comprising computer executable instructions of; receiving a print job data from an application program which has a print command; analyzing the received print job data from the application program to identify respective objects included in the page description language data; calculating a position where each object is arranged on a printable area designated depending on output paper size; and modifying the object to allow the object to be accommodated within the printable area, thereby accomplishing a correct print operation such that a print region designated by a user is accommodated to a predetermined output paper size without depending on a function of an application.