Hi Rob, Ink yield can vary depending on ink coverage, paper type, and printer settings. Using Epson's ISO test method, ink yield will be around: Black: 350 sheets, Color: 240 sheets using standard 822 cartridges and Black: 1,100 sheets, Color: 1,100 sheets using 822XL High-capacity cartridges. If you want to learn more about Epson's ISO test method, please visit the Epson support site. Regards, Dylan.