This is a remanufactured Panasonic UG-5520 (UG5520) black laser toner cartridge, designed to perform with Panasonic laser printers. It offers a standard yield of up to 12,000 pages, making it a cost-effective alternative to the original Panasonic UG-5520 toner cartridge. Remanufactured using both OEM and non-OEM components, this cartridge ensures quality and reliability for your printing needs. The use of remanufactured toner cartridges does not void your printer warranty. Backed by our 100% Quality Satisfaction Guarantee.