These printers use the GPR40 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 imageRUNNER LBP 3560
          Canon imageRUNNER LBP 3580
          Canon LaserShot LBP 6750
          Canon Satera LBP 6700
          HP LaserJet P3011
          HP LaserJet P3015
          HP LaserJet P3015D
          HP LaserJet P3015DN
          HP LaserJet P3015N
          HP LaserJet P3015X
          HP LaserJet P3016
          HP LaserJet Enterprise 500 MFP M525DN
          HP LaserJet Enterprise 500 MFP M525F
          HP LaserJet Enterprise P3010
          HP LaserJet Enterprise P3015
          HP LaserJet Enterprise P-3015 N
          HP LaserJet Enterprise P3015D
          HP LaserJet Enterprise P3015DN
          HP LaserJet Enterprise P3015X
          HP LaserJet Enterprise flow MFP M-525 C
          HP LaserJet Pro MFP M-521 DW