This is 4-Pack compatible / remanufactured HP Q5942X Jumbo (Universal with Q1338A/Q1339A/Q5945A) toner cartridges. Each toner cartridge is manufactured to be comparative to the original in terms of quality and page yield. Extensive testing and R&D have enabled us to produce cartridges that will not only save you money but also provide a high quality product to ensure long term customer satisfaction.