RICOH MP2501 DRUM UNIT PCUCompatible Printers: Gestetner MP 2500 Series, Ricoh Aficio MP 2501 SP, NRG MP 2501 SP, Gestetner MP 2501 SP, Lanier MP 2501 SP, NRG MP 2501 L, Ricoh Aficio MP 2501 L, Gestetner MP 2501 L