The Xerox Impika eVolution has made its North American debut at Graph Expo. The drop-on-demand piezoelectric production inkjet device runs at speeds up to 832-feet-per-minute/3,628 pages-per-minute. It offers roll-fed, continuous-feed capabilities with a 20-inch web width. Patented variable speed technology – made possible by a frame architecture suited for two to four print heads – maintains maximum image quality when increasing or decreasing rates.  For added automation, FreeFlow Digital Work...