RISO Risograph Duplicator Color Drum Unit -Black W/ Case. RISO Risograph Duplicator Color Drum Unit – Black w/ Case The RISO Risograph Duplicator Color Drum Unit (Black) is a critical component designed for RISO duplicators, specifically engineered for high-speed, economical black-and-white printing. This drum unit contains black ink, allowing for sharp, clear monochrome prints. It is ideal for producing professional-quality documents, flyers, newsletters, and other large-scale print jobs quickly and cost-effectively. Encased in a durable, protective case, this drum unit is easily portable and safeguarded against damage, ensuring reliable performance over time. The drum is compatible with select RISO duplicator models and is easy to install, enabling seamless transitions for continuous high-volume printing. Known for their efficiency, RISO machines, paired with this black drum, are a popular choice for schools, offices, and organizations that prioritize both speed and print quality. The Unit inside is for Black. RISO Risograph Duplicator Color Drum Unit – Black w/ Case. The RISO Risograph Duplicator Color Drum Unit (Black) is a critical component designed for RISO duplicators, specifically engineered for high-speed, economical black-and-white printing. Sorry, our items are NOT available for pick-up. No additional information at this time. You might also like. Marc Chagall by Franz Meyer. Native American Pottery Guy Pelteau. Stella Creations’ Genuine Mink Hat Vintage.