Epson WorkForce Pro WF-4640 Wireless Color All-in-One Inkjet Printer with Scanner and Copier Get Performance Beyond Laser with the WorkForce Pro WF-4640, powered by PrecisionCore Speed through any project - professional-quality prints at speeds of 20 ISO ppm (black) and 20 ISO ppm (color) Save up to 50 percent lower printing cost vs. color laser Remarkable durability - 30,000 page monthly duty cycle for high-volume printing Print anywhere, anytime - from iPad, iPhone, tablets and smartphones; includes wireless and Wi-Fi Direct