Can Epson ink cartridges be refilled or can 3rd party ink cartridges be used without voiding the warranty?

• Epson does not recommend refilling or using 3rd party ink cartridges. Using these products will not void the product's original warranty; however, if these 3rd party products cause a failure, the repair of that failure will not be covered under warranty. The Stylus Photo R320's ink, print head, and driver have been developed to work together as a printing system.