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 WorkForce Pro WP-4540, 噴墨, 彩色列印, 4800 x 1200 DPI, 彩色影印, A4, 直接列印支援 Epson WorkForce Pro WP-4540. 列印技術: 噴墨, 列印: 彩色列印, 最大解析度: 4800 x 1200 DPI, 彩色列印速度 (一般、A4/US Letter): 11 ppm. 烤貝/ 影印: 彩色影印. 掃描: 彩色掃描, 光學掃瞄解析度: 2400 x 2400 DPI. 傳真: 黑白傳真. ISO A 系列紙材最大尺寸: A4. Wi-Fi 連結. 直接列印支援