Standard yield black for use with risograph cz180. This is a OEM DUPLICATOR RISOGRAPH brand Duplicator Supply (SD BLACK ) that works with the following printers / machines (CZ180). Product Details: Unit : CN/2 Yield: XX Weight: 4.361 lb Special Order Item: N Machines/Models: RISOGRAPH - CZ180 RSGS4876, S4877, S-4877 . STANDARD YIELD BLACK. CZ180. OEM RISOGRAPH Brand.