Do it Wiser Compatible Black Toner Cartridge for Ricoh Aficio MP C4502 MP C5502 MPC4502 MPC5502-841751 - 31,000 pages Compatible with part number: 841751 Compatible printer models: Ricoh Aficio MP C4502 MP C5502 MPC4502 MPC5502 Our Do it Wiser smart toner cartridges are covered by a 1 year warranty against defects Cartridges certified to work | ISO 9001 quality assurance | ISO 14001 environmental management | RoHS Lead Free Estimated page yield: 31000 pages (depends on printer and usage)