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 1720 Laser Printer, 1200 x 1200 도트 퍼 인치, A4, 28 페이지/분 DELL 1720 Laser Printer. 듀티 사이클(최대): 25000 페이지/월. 최대 해상도: 1200 x 1200 도트 퍼 인치. 최대 ISO A-시리즈 용지 크기: A4. 인쇄 속도(흑백, 표준, A4/US Letter): 28 페이지/분