These printers use the Ricoh 841281 cartridge:
Click On a Printer to View it's Cartridges
          Ricoh Aficio MP C-2030
          Ricoh Aficio MP C-2050
          Ricoh Aficio MP C-2530
          Ricoh Aficio MP C-2550
          Lanier LD 520 C
          Lanier LD 525 C