The HP OfficeJet PSC 1300 series, PSC 2400 Photosmart, and OfficeJet 5500 series CD is a drivers update specifically designed for Windows operating systems. This CD includes the necessary drivers for various HP printers in these series, allowing users to easily update and install the drivers for their specific printer model. With this CD, users can ensure their printers are functioning properly and efficiently, providing them with the necessary software to print high-quality documents and images.