Epson Unveils 100 ppm Monochrome WorkForce Enterprise Multifunction Printer New WF-M21000 High-Speed Line Head MFP Engineered with Heat-Free Technology News provided by Share this article ® Enterprise WF-M21000 monochrome A3 multifunction printer that delivers professional-quality prints at 100 ISO ppm † (black), the fastest print speed in its class. 1 Powered by PrecisionCore Heat-Free Technology™ and built for business productivity, the WF-M21000 offers remarkable reliability, a full suite of advanced security features and boasts up to 80 percent lower power consumption than A3 monochrome MFPs. 2 Epson WorkForce Enterprise WF-M21000 Monochrome Multifunction Printer Designed for large workgroups and departments, the high-performance WF-M21000 supports convenient print management solutions and mobile printing from Chrome and iOS