These printers use the Gestetner 402073 cartridge:
Click On a Printer to View it's Cartridges
          Gestetner P 7431 CN
          Gestetner SPC 210 SF
          Ricoh Aficio CL-800
          Ricoh Aficio CL-1000
          Ricoh Aficio CL-1000 N
          Ricoh Aficio Spc 210 SF
          Ricoh Aficio SP C-210
          Ricoh CL 1000 N