LD Compatible Laser Drum Unit Replacement for Panasonic KX-FA84 100% Satisfaction & LIFETIME Guarantee For use in Panasonic: FLM661, KX-FL511, KX-FL541, KX-FLM651, KX-FL611 Page Yield: 10,000 | Shelf Life: 36-48 Months Professionally engineered to produce high-quality printouts The use of compatible cartridges and printing supplies does not void your printers warranty