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 Sharp AL-2021, 单打印, 600 x 600 DPI, 单拷贝, 单页扫描, A4 Sharp AL-2021. 打印: 单打印, 最大分辨率: 600 x 600 DPI. 烤貝/ 影印: 单拷贝, 最大复印分辨率: 600 x 600 DPI. 扫描: 单页扫描, 光学扫描分辨率: 600 x 600 DPI. ISO A 系列文件最大尺寸: A4