读取每个页面时，会将新的URI添加到作业队列。

As each page is read, new URIs are added to the job queue.

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在其他情况下，作业被发送到第一个可用的作业队列设备。

Otherwise, the jobs would be sent to the first available job queue device.

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移除打印队列中的所有作业。

Some print jobs could not be removed from the queue.

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移除打印队列中的所有作业。

Some print jobs could not be removed from the queue.

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