Riso SF5450 Digital Duplicator Product Specification Brand Riso Model Number SF5450 Quality 300 x 600 dpi printing Product Description RISO offers outstanding productivity through high speed and low cost. Achieving 1000 pages printed in approx. 7 minutes, this is the world’s fastest printing speed in this range. This surprisingly rapid rate will efficiently support your heavy paperwork requirements. Quick Master Making Mode The SF series makes prints from a master. A new function, speed priority mode, shortens the master-making time while still maintaining high image quality. As a result, the more pages generated from each master the lower the cost per print, making it highly economical for medium- to high-volume printing.