ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR 戴尔 2155cn, 雷射, 彩色列印, 600 x 600 DPI, 彩色影印, 單一掃描, A4 戴尔 2155cn. 列印技術: 雷射, 列印: 彩色列印, 最大解析度: 600 x 600 DPI. 烤貝/ 影印: 彩色影印. 掃描: 單一掃描. 傳真: 黑白傳真. ISO A 系列紙材最大尺寸: A4