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 Brother HL-2140 Personal Laser Printer, 레이저, 2400 x 600 도트 퍼 인치, A4, 22 페이지/분 Brother HL-2140 Personal Laser Printer. 인쇄 기술: 레이저, 최대 해상도: 2400 x 600 도트 퍼 인치. 최대 ISO A-시리즈 용지 크기: A4. 인쇄 속도(흑백, 표준, A4/US Letter): 22 페이지/분