HP LaserJet - Cool Toner delivers quality compatible HP LaserJet toner cartridges at reasonable prices. Each toner cartridge has been designed to support fast, reliable, and high-volume printing. Cool Toner's quality compatible toner cartridge components are matched with HP LaserJet printer tested compatibility with exact precision to ensure these supplies deliver crisp, sharp results every time for professional business users. Cool Toner offers a 1-year warranty for this product to be free from defects in materials and workmanship.