Do it Wiser Compatible Toner for Ricoh Aficio SP C811DN SPC811 C811 | 820000 820008 820016 820024 (4-Pack) Estimated page yield: Black 20,000 and colors 15,000 pages (depends on printer and usage) Compatible with part number: Ricoh 820000 820008 820016 820024 Compatible printer models: Ricoh Aficio SP C811DN | Ricoh Aficio SP C811 | Savin CLP240 | Savin CLP240D | Gestetner C7640 | Gestetner C7640ND | Lanier LP440 | Lanier LP440C 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 Ricoh Aficio SP C811DN Ricoh Aficio SP C811 Savin CLP240 Savin CLP240D Gestetner C7640 Gestetner C7640ND Lanier LP440 Lanier LP440C Ricoh 820000 for Black Ricoh 820024 for Cyan Ricoh 820016 for Magenta Ricoh 820008 for Yellow