Hewlett Packard LaserJet C8061X High Capacity Black Print Cartridge with Smart Printing Technology (C8061X) for LaserJet 4100 series. HP LaserJet C8061 Family Print Cartridges with Smart Printing Technology 1 for the HP LaserJet 4100/mfp printer series deliver consistently outstanding print quality. They are reliable and easy to use and provide efficient supplies management. Yield 10,000 standard pages.