Why do printer manufacturers have specific drivers and then generic? For example, linked below are the generic Postscript drivers for Canon Image Runner printers, that seem to list every IR printer ...

Gutenprint (formerly called Gimp-Print) is an open-source package of improved printer drivers and utilities that can be installed on Mac OS X to enhance printing functionality and add additional ...

Internally, CUPS uses PostScript Printer Description ("PPD") files to describe printer capabilities and features and a wide variety of generic and device- specific programs to convert and print many ...