Office equipments, such as printers, copiers, are prone to problems of paper jam, especially in high speed print or two side copy, there are also serious vibration and noise.

打印机、复印机等办公设备时有卡纸现象发生，特别是在满足高速打印和双面复印等市场需求时，其送纸机构还产生严重的振动和噪声。

youdao

Print page one on one side of a sheet of paper and page two on the other side.

在一页纸的一面打印第一页，并在另一面打印第二页。

youdao