If you print PostScript graphics -- such as Encapsulated PostScript files created in drawing programs and page-layout applications -- to a non-PostScript office printer, you'll see either a gray box ...

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 ...

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 ...