Inkjet Printers & Digital Duplicators RISO strives to create fundamentally unique new technologies in paper-based communication through an approach that emphasizes productivity, cost containment, and versatility. Every product we manufacture delivers these benefits in a balance that offers the ideal solution to our customers. RISO is the leading manufacturer and distributor of high-speed inkjet printers and digital duplicators. RISO’s ComColor printers offer fast, affordable, environmentally friendly digital color at speeds of up to 160 pages per minute. Its line of digital duplicators includes one-and two-color systems that reliably produce millions of copies, are environmentally friendly, and are easy and inexpensive to use.