The supplies you use in your printer can make the difference between shoddy-looking and professional quality documents. Made for exact compatibility with OKI products, only OKI consumables ensure maximum performance, longevity and ultimate cost-effectiveness. OKI's ribbon cassettes, inkjet heads, toner and EP cartridges and other consumables are an integral part of the fundamental design of its printer and fax products, combining with other key elements of their design to deliver optimum durability, useability and print quality. The Okidata Fuser Kit for C5800 can reliably provide up to 60,000 pages at 5% coverage.