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 ...

PostScript files can also contain images of very high quality, but they use a very different representation of data than do raster image files. PostScript is actually a language rather than a file ...

The Encapsulated PostScript file format stores images and page layouts. EPS files can contain both bitmaps and vectors, but only the vector images can be resized and modified without a loss of quality ...