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 DELL 2135cn, La de, In màu, 600 x 600 DPI, Photocopy mono, Scan mono, Fax mono DELL 2135cn. Công nghệ in: La de, In: In màu, Độ phân giải tối đa: 600 x 600 DPI, Tốc độ in (màu, chất lượng bình thường, A4/US Letter): 12 ppm. Sao chép: Photocopy mono, Độ phân giải sao chép tối đa: 600 x 600 DPI. Quét (scan): Scan mono. Fax: Fax mono