... within 24 hours. We also supply top quality printing ink for used in Riso, Ricoh,Duplo,Gestetner. we ... factoty to use purified water to make ink.We have all series ink, master roll and spare parts for ... riso,ricoh, Gestetener, Duplo.Our digital duplicator ink features as follows:1. Smells good because of using ... .2. Long working life.3. 100% guarantee. Printer toner KX-FA78A cartridge,c350 toner