Featured here is the Risograph HC 5000 & HC 5500 complete toner set. This set includes one each bottle of Riso S4670 black ink, Riso s4671 cyan ink, s4672 magenta ink and s4673 yellow ink. 100% Oem and guaranteed to work with you Risograph flawlessly, call GMS today to place your order for the HC5000 4 color ink set.