Original HP LaserJet toner cartridges with JetIntelligence deliver business documents in top-notch quality. Stay productive with easy-to-use toner cartridges available in two sizes, designed with both environmental considerations and safety in mind. A choice you can trust – avoid frustrating reprints, material waste, and service calls. With black HP EcoSmart toner, you can print sharp black text and graphics in professional quality. When printing with black original HP EcoSmart toner, you consume an average of 20% less energy. Intelligent measurement technology monitors the toner level, so you always know in advance when the toner is running low.