The HP Managed Toner Cartridge W9024MC Black is specifically designed for use with HP Laser printers, such as the LaserJet E40040 MFP and E42540 models. This managed toner cartridge ensures high-quality printing with crisp black text and images. With a manufacturer warranty of 1 year, you can trust in the reliability and performance of this product. Its compact dimensions of 5.12 inches in height, 19.88 inches in length, and 11.81 inches in width make it easy to handle and store, while providing consistent and professional results with each use.