For models: EZ220, EZ221U, EZ590, EZ590U, EZ591U, MZ790, RZ200, RZ220, RZ220UI, RZ230, RZ310, RZ370, RZ390, RZ390UI, RZ590, SF5130, SF5130 EII U, SF5450, SF5450 EII U, SF9450, SF9450 EII U
MFG Part Numbers: Riso S8113UA, F II Type, S4254, Z Type, S6930UA, S6930U