Do it Wiser Compatible 406997 Toner for Ricoh SP4310N SP4100N SP4210N SP4110N | 402809 (15,000 Pages) Estimated page yield: Black 15,000 pages (depends on printer and usage). Compatible with part numbers Ricoh 402809 | Ricoh 406997 For use in Ricoh Aficio SP 4110N | Ricoh Aficio SP 4110SF | Ricoh Aficio SP 4210N | Ricoh Aficio SP 4100N | Ricoh Aficio SP 4100 | Ricoh Aficio SP 4100SF | Ricoh Aficio SP 4100N-KP | Ricoh Aficio SP 4310 | Ricoh Aficio SP 4310N | Gestetner P7031N | Gestetner P7035N For use in Lanier LP131n | Lanier LP131n-KP | Lanier LP136n | Lanier LP136n-KP | Lanier LP37N | Lanier SP 4310N | Savin MLP31n | Savin MLP36N | Savin MLP36N-KP | Savin MLP37N Do it Wiser Smart Toner Cartridges are covered by 1 year warranty against defects Cartridges certified to work | ISO 9001 quality assurance | ISO 14001 environmental management | RoHS Lead Free 1 Black Cartridge15,000Pages Ricoh 402809 Ricoh 406997 Ricoh Aficio SP 4110N SP 4110SF SP 4210N SP 4100N SP 4100SF SP 4100N-KP SP 4310N Gestetner P7031N P7035N Lanier LP131n LP131n-KP LP136n LP136n-KP LP37N SP 4310N Savin MLP31n MLP36N MLP36N-KP MLP37N