The HP 27A Genuine Black Toner Cartridge C4127A is a brand new original product by HP specifically designed for use with HP LaserJet 4000 and 4050 printers. This high-quality toner cartridge in black color is compatible with the specified models and is easy to install, ensuring optimal printing results every time. Made by the trusted brand HP, this genuine cartridge offers reliable performance and exceptional print quality for your documents and images.