Advanced power saving technology with high resolution of OLED display, character with symbol to indicate the printer status and meanwhile feedback.
先进低功耗、高亮度oled显示屏，文字与图标相结合的状态指示，即时反馈打印机状态。
This command does not change the status of the printer; instead, it tells CUPS to reject incoming jobs.
此命令不会改变打印机的状态；相反，它会告诉CUPS拒绝传入的作业。
It is a standard command on most UNIX and Linux systems that displays the status of a printer or several printers, as shown in Listing 7.
它是大部分UNIX和Linux系统上的标准命令，可以显示一个打印机或若干打印机的状态，如清单7所示。
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