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Chapter 6. Printer, Fax, and Font Manage... > Setting Printing System Preferences - Pg. 351

Printer, Fax, and Font Management 351 This capability to group printers might sound unimportant from the perspective of a home user with only a few printers, but it can be a real time- and labor-saver for a business with many shared networked printers. To place printers in a class, select all of them that you want to put into the class in the Printer Setup Utility and then select Printers, Pool Printers. You are presented with a dialog where you can confirm the printer selections you've made and give the class a name. You can create multiple printer classes and place any printer into any number of classes as well, allowing flexible groupings of your printing resources. When created, printer classes look to the rest of the system like individual printers, but are handled by CUPS by load-sharing the print jobs across the available printers. In any place that the system expects to see a specific printer name (including command-line commands such as lpr--see Chapter 13--that don't document this feature), you can substitute a printer class, and CUPS man- ages the actual destination in the background. Setting Printing System Preferences The printers that are available to the system are one type of printing preference, but there are also printer-specific preferences, and specialty CUPS preferences that can be imposed on printing as well. You are almost certainly already familiar with configuring per-print-job setting regarding things like the number of copies to be printed, or, if you have a printer that can print on both sides of a page, whether to use this feature for a particular print job. Surprisingly, many users don't realize that the settings that they choose for a print job can be configured to be the default settings for all documents printed from an application, or, with some care, for the printer in general. This lack of recognition hasn't been helped by Apple's choice of hiding the ability to save printer preferences under the enigmatic printing dialog pop-up menu labeled Presets. It's even further obscured in Tiger,