These printers use the S2593 cartridge:
Click On a Printer to View it's Cartridges
          NEC IT-2530
          NEC IT 2530 MFP
          NEC IT-2530D
          NEC IT 2840
          NEC IT_2840D
          NEC IT-3530
          NEC IT-3530D
          NEC IT 3640
          NEC IT-3640D
          Develop ineo 222
          Konica-Minolta Bizhub 200
          Konica-Minolta Bizhub 222
          Konica-Minolta Bizhub 250
          Konica-Minolta Bizhub 282