Elevate your printing experience with the NP Tech CE400/401/402/403 Toner Cartridge Pack. Designed for compatibility with HP Laserjet Enterprise Printer 500 and Color M551/N/DN/XH models, this pack includes four cartridges—Black, Cyan, Yellow, and Magenta. With a high page yield of 1400 pages at a 5% coverage rate, you'll have the capacity to handle both standard and high-volume printing tasks. These cartridges ensure professional-grade prints with sharp and consistent quality, ideal for producing documents that make an impact. Plus, installation is a breeze, reducing downtime during replacement. Backed by a 100% lifetime guarantee, you can trust in the durability and longevity of these cartridges, minimizing the need for frequent replacements and ensuring cost-effective printing solutions.