Due to its limited shelf life or other concerns, we do not accept returns on this product unless it is damaged, defective or incorrect due to an error on our part.
HP 640A Black Toner Cartridge (C4191A) - Toner cartridge is designed to work precisely with HP LaserJet 4500, 4550 Series Printers. Ensures optimum professional quality output. Yields 9,000 pages.
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