These print classes are used to retrieve lists of spooled files, output queues, printers, and other print resources.

这些打印类用于检索后台打印文件、输出队列、打印机以及其他打印资源的列表。

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These classes can also work with output queues and spooled files, answer messages for spooled files and do other print related tasks.

这些类还可以处理输出队列和后台打印文件，回答后台打印文件的消息，执行其他打印相关任务。

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Switching power off will erase print data remaining in the printer or print information spooled in its memory.

关闭电源后，残留在印表机内的列印资料或暂存在机器记忆体的列印资料将被清除。

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