The Premium Compatible PTQ383942X Black Laser Toner Cartridge is specifically designed for use with HP printers such as the 4200, 4250, 4300, and 4345. This high-quality, compatible toner cartridge in black color ensures crisp and professional-looking prints. With a unit quantity of 1, this cartridge is reliable and efficient, making it a great choice for those in need of laser printing supplies. Made in China, this toner cartridge is a cost-effective solution for achieving top-notch printing results.