The printer on this port is offline or not selected.

该端口的打印机脱机或未被选中。

youdao

Make absolutely sure to unplug the balance from ac power before you connect or disconnect a peripheral device (printer or PC) to or from the interface port.

在将辅助仪器(打印机，计算机)与数据接口连接或者切断之前，电子天平必须断电。

youdao

Make absolutely sure to unplug the balance from ac power before you connect or disconnect a peripheral device (printer or PC) to or from the interface port.

在将辅助仪器(打印机，计算机)与数据接口连接或者切断之前，电子天平必须断电。

youdao