The CF226A Ink Toner Cartridges are compatible with various HP LaserJet Pro printers, such as the M402dn and M426fdw models. These black toner cartridges have a page output of 3,100 pages at 5% coverage and come with a manufacturer warranty of 2 years. Designed for laser print technology, these cartridges are specifically tailored for use in HP printers and offer reliable performance and high-quality printing results. Perfect for professional printing tasks, these cartridges are a cost-effective and efficient solution for producing crisp and clear black prints.