Xerox Remanufactured High Yield Toner Cartridge for LJ 5si 8000 Mopier 240 (Alternative for HP C3909A 09A) (25800 Yield). Quality and reliability at a price you can afford. Xerox Replacement Cartridges for HP and Brother laser printers offer the exceptional performance you would expect from the company that invented toner. Xerox cartridges are a high-value alternative priced 25% to 35% less than OEM cartridges and deliver equal or significantly better page yields. Made in the USA with an unconditional 100% lifetime warranty. ISO certified..