These printers use the Q7551X cartridge:
Click On a Printer to View it's Cartridges
          HP LaserJet 3005 D
          HP LaserJet 3005 N
          HP LaserJet 3005 X
          HP LaserJet 3035
          HP LaserJet M-3027 X MFP
          HP LaserJet M-3027 MFP
          HP LaserJet M-3027 X
          HP LaserJet M-3035 XS MFP
          HP LaserJet M-3035 MFP
          HP LaserJet M-3035 XS
          HP LaserJet M-30300
          HP LaserJet P-305 N
          HP LaserJet P-3005
          HP LaserJet P-3005 D
          HP LaserJet P-3005 DN
          HP LaserJet P-3005 N
          HP LaserJet P-3005 X