Do it Wiser Compatible Toner for Ricoh Aficio MP C3500 MP C4500-888604 (Black) Estimated page yield: 23,000 pages (depends on printer and usage) Compatible with part number: Ricoh 888604 For use in Ricoh Aficio MP C3500 MP C4500 | Savin C3535 C4540 C3535efi C3535spf | Gestetner DSc535 DSc545 DSc535efi DSc535spf | Lanier LD435 LD435c LD445c 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