激光打印机：激光打印机(laser jet printer)是利用碳粉附着在纸上而成像的一种打印机，激光打印机类型分：黑白、彩色两种激光打印机。
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As part of a growing trend to produce energy-efficient products, HP announced today a bunch of changes in its line of printers, including a color laser jet printer that it says uses up to 65% less energy than other similar printers.
FORBES: HP Takes A Green Step With Energy Efficient Printers
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