Clearprint Technologies Compatible Toner Cartridge Replacement for HP CB384A ( Black, Cyan, Magenta, Yellow ) 4 New Premium Compatible Drums Yield: black cartridge - 35,000 pages; color cartridges - 35,000 pages HP OEM #s: CB384A, CB385A, CB386A, CB387A for HP Color LaserJet CP6015 Series, CM6030, CM6040 printers