HP LaserJet toner cartridges work with the printer to make high-quality color printing easy, cost-effective and reliable. An improved electro-photographic process achieves a broad range of vibrant colors and sharp text on a variety of papers. Outstanding color Improved electro-photographic process provides consistent color accuracy Chemically-grown toner for precise toner placement on many papers Toner formulation designed for quick first page out Reliable, cost-effective Reliable, high-yield cartridges for cost-effective operation All-in-one supplies provide fast, efficient operation HP's Premium Protection Warranty HP take-back program[2] Easy to use Easy and intuitive toner cartridge replacement Smart technology[1] monitors toner levels, facilitates easy supplies management Shake-free toner cartridges