... be 100% compatible for RISO, DUPLO, RICOH, GESTETNER series duplicator. Now our high quality duplicator ink & master can be 100% ... compatible for RISO, DUPLO, RICOH, GESTETNER series duplicator. we can offer customers high quality compatible RisoGraph ... and spare parts for Laser printers, Analogue copiers and Digital copiers.Specifications:1) Imported raw materials from Japan2) Volume ...