noun
Risograph
A brand name for a digital duplicator manufactured by the Riso Kagaku Corporation. Often used to refer to the machine itself or prints made with it.
学校の印刷室にはリソグラフが置いてある。
There is a Risograph in the school's printing room.
このポスターはリソグラフで刷ったものだ。
This poster was printed with a Risograph.