4 Pack Replacement Toner Cartridges Color Set for Ricoh Aficio Sp C430 Sp C430dn Sp C431dn Sp C431dn-hs Sp C431dnht Sp C431dnhw Series Printers Replacement Toner Cartridge Not- OEM Product's , Compatibility For Ricoh Aficio SP C430 SP C430DN SP C431DN SP C431DN-HS SP C431DNHT SP C431DNHW Series Printers Print yield: at 5% coverage Black:Yields up to 24,000 Pages; C,M,Y : Yields up to 21,000 Pages To Replace Toner Cartridges with part numbers : 821105 821070 821108 821073 821107 821072 821106 821071 All our items are certified with ISO 9001 and ISO 14001 , Generic. All products covered by a 100% satisfaction guarantee and 90 day warranty with ReInkCo .