Do it Wiser Compatible Toner Cartridge for Ricoh Aficio SP C320DN SP C242DN SP C232SF SP C231N C231SF C232DN C242SF C310 C310A SP C311N SP C312DN - 406475 406476 406477 406478 (4-Pack) Estimated page yield: Black is 6,500 pages and Colors 6,000 pages (depends on printer and usage) Compatible with Part Number: Ricoh 406475 for black, 406476 for cyan, 406477 for magenta, 406478 for yellow. Suitable for printer models: Ricoh Aficio SP C231N, SP C231SF, SP C232DN, SP C232SF, SP C242DN, SP C242SF, SP C310, SP C310A, SP C311N, SP C312DN, SP C320DN. 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 1 Black cartridge6,500pages 1 Cyan cartridge 6,000 pages 1 Magentacartridge 6,000 pages 1 Yellowcartridge 6,000 pages Ricoh Aficio SP C231N / SF. Ricoh Aficio SP C232DN / SF. RIcoh Aficio SP C242DN / SF. Ricoh Aficio SP C310 / A. Ricoh Aficio SP C311N. Ricoh Aficio SP C312DN. Ricoh Aficio SP C320DN. 841918 for black. 841919 for yellow. 841920 for magenta. 841921 for cyan.