Superior print quality for newsletters and more
It’s easier and faster than ever to produce high- quality newsletters, calendars, posters, menus, and more! Packed with cutting-edge RISO features, the RZ390 assures the very best performance and unprecedented print quality in an affordable 11" x 17" printer.

The RZ390 features the RISO i Quality SystemTM, which constantly monitors the status of the Printer-Duplicator and its supplies while automatically making adjustments to ensure the best print quality in every print. Every print job—from 4" x 6" postcards to 11" x 17" newsletters—has the same great print quality from start to finish.

High-quality 600e dpi imaging
With traditional 600 dpi imaging, the original is scanned and printed at a resolution of 600 x 600 dpi (dpi refers to the actual number of perforations in the master that the Printer-Duplicator produces from a scan). The RZ390 features new RISO 600e dpi digitally enhanced technology that emulates 600 dpi output. Digitally enhancing the scan raises the actual scan resolution and changes the position of the projected perforations. The perforations are paired, providing an appearance of a smoother line, similar to the curved line produced by a higher resolution scan. RISO’s emulated 600 dpi provides much-improved imaging over standard 300 x 600 dpi imaging while still remaining affordable.