Fonts and Printing
Creating the image of a page for printing is complicated. The printer must calculate the placement of every dot used to create the printed image. PostScript printers and non-PostScript printers have differing approaches to the task. Chapter 6, “Printing,” takes this subject up more fully—but here's a quick overview to get you started.
PostScript Printing
PostScript printers use a built-in computer with software (called a PostScript interpreter) designed to handle the work. Your Mac just sends the printer all the information about the page and then goes on to its next task. One thing the printer needs is font information.
For a PostScript printer to image a page properly, it needs the outline information (stored in the fonts) ...
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