These printers use the M3240 cartridge:
Click On a Printer to View it's Cartridges

          Calcomp TechJet 720 C Model 5636
          Calcomp TechJet Designer 5624
          Calcomp TechJet Designer 5636
          Canon B 160
          Canon CFX B-380
          Canon EB 10 BubbleJet Fax
          Canon Fax B-650
          Canon Fax Eb-10
          Canon Fax Eb-15
          Canon FaxPhone B-650
          Canon ImageMaker MPC 20
          Canon ImageMaker MPC 30
          Canon ImageMaker MPC 70
          Canon ImageMaker MPC 75
          Canon MultiPass C-635
          Canon SR 850 E
          Selex SR 850 D-E
          Tally-Genicom Mannesmann Tally T-7070