These printers use the 821073 cartridge:
Click On a Printer to View it's Cartridges
          Ricoh Aficio SP C-430 DN 37PPM Color
          Ricoh Aficio SP C-430 DN
          Ricoh Aficio SP C-431 DN 42PPM Color
          Ricoh Aficio SP C-431 DN
          Ricoh Aficio SP C-431 DN-HS
          Ricoh Aficio SP C-431 DNHT
          Ricoh Aficio SP C-431 DNHW
          Lanier LP 137 CN
          Lanier LP 142 CN
          Lanier SP C-440 DN
          Savin CLP 37 DN
          Savin CLP 42 DN