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 Epson Expression Premium XP-620, 喷墨, 彩色打印, 5760 x 1440 DPI, 彩色复印, A4, 黑色 Epson Expression Premium XP-620. 打印技术: 喷墨, 打印: 彩色打印, 最大分辨率: 5760 x 1440 DPI, 打印速度（彩色，一般品质，A4/US Letter）: 10 ppm. 烤貝/ 影印: 彩色复印. 扫描: 彩色扫描. ISO A 系列文件最大尺寸: A4. 无线局域网连接. 产品色彩: 黑色