The NEW HP 507A Yellow Toner Cartridge CE402A is a genuine/original product manufactured by HP for use in HP LaserJet Enterprise printers. This unit is designed for high-quality printing in color and is compatible with models such as HP LaserJet Enterprise 500 M551xh, M551n, and M551dn. The cartridge comes sealed in its original packaging, ensuring its authenticity and freshness. This unit is a reliable and efficient choice for those looking to print professional and vibrant documents.