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 Epson WorkForce WF-3640, Inkjet, Color printing, 4800 x 2400 DPI, Color copying, A4, Black Epson WorkForce WF-3640. Print technology: Inkjet, Printing: Color printing, Maximum resolution: 4800 x 2400 DPI, Print speed (color, normal quality, A4/US Letter): 10 ppm. Copying: Color copying. Scanning: Color scanning, Optical scanning resolution: 1200 x 2400 DPI. Faxing: Color faxing. Maximum ISO A-series paper size: A4. Wi-Fi. Product color: Black Like HP's PageWide technology, PrecisionCore is a new alternative printhead technology faster and cheaper to use than printers based on standard inkjet mechanisms, as well as several entry-level and midrange laser-class machines.Aside from the PrecisionCo... "CPP" stands for cost per page . And one of our biggest criteria for high-volume printers, in addition to being fast and having a lot of paper capacity, is that they deliver excellent-looking documents at a decent CPP.In fact, to our eyes, a high-volume p... High-quality output, Excellent scans and copies, Auto-duplexing ADF, New, fast PrecisionCore printhead, Two roomy input drawers, Input override slot High cost per page Based on Epson's PrecisionCore printhead technology, this strong-performing multifunction inkjet delivers big on speed, features, and print quality. Our only concern is the cost per page. Read More…... https://www.pcmag.com/review/325694/epson-workforce-wf-3640 As the next-generation version of the Editors' Choice Epson WorkForce WF-3540%displayPrice% at %seller% that it's replacing, the Epson WorkForce WF-3640 ($199.99) has a lot to live up to. The good news is that it mostly does, with excellent paper handling... Prints, faxes, scans, and copies. Unusually capable paper handling. Ethernet. Wi-Fi and Wi-Fi-Direct capable. Prints through the cloud. Although graphics quality is a bit below par, but good enough for most internal business needs Epson's WorkForce WF-3640 is capable at paper handling and comes with a long list of features that makes it our Editors' Choice for moderate-use micro office MFPs....