The HP 504X CE250X Black High Yield Laser Toner Cartridge is a genuine product from HP, designed for use with compatible models such as CM3530 and CP3525. This high yield toner cartridge ensures crisp and professional black prints, making it ideal for various printing needs. Made in Japan, this laser print technology cartridge is sealed in a box to maintain its quality and performance. Trust in the HP brand for reliable and excellent printing results.