The high quality and low cost of modern four-color printing is made possible by a networked printing press which coordinates the hi-speed overlap of each color as it zips through the web of rollers.

• 现代的这种高质低价的四色打印机，是因为一个联入网络的打印装置，在每一种颜色经过滚轴网络时，这个装置协调各个颜色高速重叠起来，从而混合成五颜六色。