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 Epson AcuLaser CX28DTN, 激光, 彩色打印, 600 x 600 DPI, 彩色复印, 彩色扫描, A4 Epson AcuLaser CX28DTN. 打印技术: 激光, 打印: 彩色打印, 最大分辨率: 600 x 600 DPI, 打印速度（彩色，一般品质，A4/US Letter）: 24 ppm. 烤貝/ 影印: 彩色复印, 最大复印分辨率: 600 x 600 DPI. 扫描: 彩色扫描, 光学扫描分辨率: 600 x 600 DPI. ISO A 系列文件最大尺寸: A4