The HP 507A Magenta Laserjet Toner Cartridge (CE403A) is designed to work with HP LaserJet Enterprise 500 color M551 series printers, producing professional-quality documents and marketing materials with crisp, vibrant color. This high-yield toner cartridge produces up to 6,000 pages, making it an efficient and cost-effective choice for busy offices and businesses. With HP's innovative ColorSphere technology, this toner cartridge delivers consistent, reliable results with every print, ensuring that your documents look their best every time. Plus, the HP 507A Magenta Laserjet Toner Cartridge (CE403A) is easy to install and replace, minimizing printer downtime and maximizing productivity. Stock up on this essential office supply to keep your HP LaserJet printer running smoothly and producing impressive color prints.