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 RoHS stands for Restriction of Hazardous Substances. RoHS, also known as Directive 2002/95/EC, originated in the European Union and restricts the use of specific hazardous materials found in electrical and electronic products (known as EEE). All applicable products in the EU market after July 1, 2006 must pass RoHS compliance. The substances banned under RoHS are lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CrVI), polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE), and four different phthalates (DEHP, BBP, BBP, DIBP). RoHS The Blue Angel is the ecolabel of the federal government of Germany since 1978. The Blue Angel sets high standards for environmentally friendly product design and has proven itself over the past 40 years as a reliable guide for a more sustainable consumption. Blue Angel 戴尔 C7765dn, LED, 彩色打印, 1200 x 2400 DPI, A3, 直接打印, 白色 戴尔 C7765dn. 打印技术: LED, 打印: 彩色打印, 最大分辨率: 1200 x 2400 DPI, 打印速度（彩色，一般品质，A4/US Letter）: 35 ppm. 烤貝/ 影印: 彩色复印, 最大复印分辨率: 600 x 600 DPI. 扫描: 彩色扫描, 光学扫描分辨率: 600 x 600 DPI. ISO A 系列文件最大尺寸: A3. 直接打印. 产品色彩: 白色