Ricoh Black Drum Unit, 40000 Yield, Type SP C820DN (403115) Ricoh Aficio SP C820DN C820DNLC C820DNT1 C820DNT2 SP C821DN C821DNLC C821DNT1 C821DNX Black Drum Unit (40 000 Yield) (Type SP C820DN) OEM Drum Black 40000 Easy Installation