热敏印刷是一种数码印刷工艺,当纸张经过热敏打印头时,热敏打印头会加热带有涂层的感热纸,但不是加热感热纸上所有区域,加热区域与所要打印出来的文字和图像一致。涂层在被加热后会变成黑色,而这些黑色形状就是所要打印出的文字和图像[1]。热敏印刷可以完全不需要墨粉。
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Sharp_CE-126P.jpg/640px-Sharp_CE-126P.jpg)
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