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Common UNIX Printing System by Michael R. Sweet

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Chapter 9Printer Objects

This chapter describes the attributes and operations provided for IPP printer objects.

What Is a Printer Object?

A printer object represents a single printer that accepts and prints job objects. The printer object can also have subscription objects associated with it.

Each printer object is always in one of three states: idle, processing, or stopped. An idle printer object is doing nothing because it has no job objects to print. When a new job object becomes available for printing, the printer object will start printing it.

A printer object in the processing state is currently printing at least one job object. Printer objects that print multiple jobs at a time are typically large-format plotters or printers that can ...

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