Ink sticks produce brilliant vibrant prints on a wide range of media with 90 percent less waste than standard cartridges. Drop-in loading of solid ink sticks is as easy as loading a stapler. You will not have to unpack shake slide in pull out and dispose of. No mess solid ink sticks are safe and clean to handle. You will also save storage space because the packages of solid ink sticks are small enough to fit into a desk drawer. Ink sticks are designed for use in Xerox ColorQube 8570. Each stick yields 2150 pages at 5 percent coverage.