RICOH COMPATIBLE HIGH YIELD 4 PACK COMBO TONER CARTRIDGES OEM # 821181 821117 - 821184 821118 - 821183 821119 - 821182 821120 Page Yield Black 23,500 Pages - Color 27,000 Pages Compatible with the following printers: Ricoh Aficio SP C830DN | Ricoh Aficio SP C831DN | Ricoh Aficio SP C830DNHA