Jura Descaling and Cleaning Tablets provide excellent maintenance to your machine, expanding its lifetime as well as ensuring better tasting coffee. After each 200 cups of coffee, Capresso and Jura-Capresso Automatic Coffee and Espresso Centers will ask you via the display to run a cleaning cycle. This is a fast a easy 15-minute automated process removes all inner oil build-up. Use these Jura-Capresso Decalcifying Tables should your Jura-Capresso Automatic Coffee and Espresso Center indicate that decalcifying is required. This pack of 9 tablets works for Jura-Capresso Fully Automatic Coffee & Espresso Machines: Impressa Z5/Z6, S7/S9 Avantgarde, F7/F8/F60, E8/E9 Use these tablets as directed in the instruction manuals and machine display.