These printers use the GPR40H cartridge:
Click On a Printer to View it's Cartridges
          Canon i SENSYS LBP 6750 DN 4
          Canon i SENSYS LBP 6750 X
          Canon i SENSYS LBP 6780 X
          Canon i-SENSYS LBP-6750DN
          Canon ImageClass LBP 6780 DN
          Canon LaserShot LBP 6750
          Canon Satera LBP 6700