This is a high yield toner cartridge from HP, model Q7551XC, compatible with HP printers M3027 and M3035. The cartridge is black in color and uses laser print technology. It has an expiration date of 12-15-2010 and is an original equipment manufacturer (OEM) product made in Japan. The unit type is a unit and the unit quantity is one. This toner cartridge is perfect for those who need a reliable and high-quality printing solution for their HP printer.