This compatible Panasonic UG-5550 UG5550 black laser toner cartridge is guaranteed to perform with Panasonic laser printers. It replaces the original Panasonic UG-5550 toner cartridge. The compatible replacement UG-5550 laser toner cartridges and supplies also known as generic are specially engineered to meet the highest standards of quality, reliability and exceptional yields that meet or exceed OEM Original Equipment Manufacturer standards for the UG-5550 and offer high-quality printing results. Containing up to 60% new parts including OPC drums, a smart chip, wiper blades, and other internal parts, they are an economical alternative to expensive OEM UG-5550 Panasonic laser toner cartridges and supplies, and offer big savings over brand-name UG5550 laser toner cartridges and supplies. The use of compatible replacement laser toner cartridges and supplies does not void your printers warranty.We offer a Two Year 100% Quality Satisfaction Guarantee on our compatible UG-5550 Panasonic laser toner cartridges and supplies. LD Cartridges are manufactured in an internationally certified ISO 9002 factory. LD cartridges come with a 100% Two Year money back guarantee and technical support. For use in the following printers Panasonic Panafax UF-7950, Panafax UF-6950.