![]() Risograph printers use a soy ink made from vegetable soybean oil. A good lifespan for a risograph might involve making 100,000 masters and 5,000,000 copies. This simple technology is highly reliable compared to a standard photocopier and can achieve both very high speed (typically 150 pages per minute) and very low costs per copy when copying more than 100 copies. It brings together several processes which were previously carried out manually, for example using the Riso Print Gocco system or the Gestetner system. The underlying technology is very similar to a mimeograph. Diagram of internal mechanism and paper flow in a Risograph ![]()
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