These printers use the CB381A cartridge:
Click On a Printer to View it's Cartridges
          HP Color LaserJet CM-6030
          HP Color LaserJet CM-6030 F
          HP Color LaserJet CM-6040
          HP Color LaserJet CM-6040 F
          HP Color LaserJet CM-6040 MFP
          HP Color LaserJet CP-6015
          HP Color LaserJet CP6015DE
          HP Color LaserJet CP6015DN
          HP Color LaserJet CP6015N
          HP Color LaserJet CP6015X
          HP Color LaserJet CP6015XF
          HP Color LaserJet CP-6015 XH
          HP PhotoSmart CL2000