取下电子卡，将电子卡最长的接口上的跳线拔下，装上电子卡，开机，打印测试。（跳线就是接口上的小插头，拔下）

Remove thee-card, pull out the longest cable of thee-card, install thee-card, turn on the printer, check the printing function.

youdao

所以，可以通过USB接口或汽车的12v插头来加热的电热杯，就是这个冬天的理想小装备之一啦。

That's why a heated mug that can be used either via USB or 12v plug for the car is a perfect gadget to have this winter.

youdao

一个小供电砖积分男插头，旨在堵塞直接到墙壁电源插座；

A small power-supply brick with integral male plug, designed to plug directly into a wall outlet;

youdao