Purchase Genuine Risograph Ink and Risograph Masters Securely online through G.M. Supplies. GMS stocks all Original Risograph Masters and Inks in almost all colors. Special order colors are available by request. Most Inks and Masters are sold as a 2 pack except for the ComColor Series and the HC5000 series inks. Value paks are available when purchasing Inks in master cases which are packed with 5 boxes totaling (10-1000ml ink tubes). Call GMS today to order your Risograph consumables.