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打印机是電腦输出设备的一種，可以将電腦内储存的資料按照文字或影像的方式永久的输出到纸张、透明胶片或其他平面媒介上。
单色打印机只能包含一种颜色的图片，通常是黑色，有些单色打印机也可以打印灰階影像。彩...