The Xerox Everyday Replacement for CF237A HP 37A Laser Jet Toner Black is a compatible toner cartridge designed for use with HP printers. This toner cartridge, with a black color and laser print technology, is a reliable and high-quality option for printing documents and images. The Xerox brand ensures a consistent and professional printing experience, making it a popular choice for businesses and individuals looking to maintain the performance of their printers. With fast shipping included, this product offers convenience and efficiency for customers in need of a reliable toner cartridge.Can be used for HP LaserJet Enterprise M607, M608, M609; MFP M631, M632, M633