This Okidata 43459303 compatible toner cartridge is a replacement laser cartridge that can be used instead of buying new OEM (original brand) Okidata toner cartridges. This product 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.