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 Canon imageCLASS MF4270, La de, 1200 x 600 DPI, Photocopy mono, Scan mono, Fax mono Canon imageCLASS MF4270. Công nghệ in: La de, Độ phân giải tối đa: 1200 x 600 DPI. Sao chép: Photocopy mono, Độ phân giải sao chép tối đa: 600 x 600 DPI. Quét (scan): Scan mono. Fax: Fax mono