Lexmark T640, T642, T644 Return Program Toner Cartridge (6,000 Yield), Part Number 64015SA
Lexmark T640, T642 and T644 supplies are designed for the highest quality output, easy customer installation and quality performance. Lexmark T640, T642 and T644 supplies are not compatible with other Lexmark Printers. Average Cartridge Yield 6,000 standard pages. Declared yield value in accordance with ISO/IEC 19752. Lexmark Return Program Cartridges are sold at a discount versus the prices of regular cartridges in exchange for the customers agreement to use the cartridge only once and return it only to Lexmark for remanufacturing or recycling. Regular cartridges without this license/agreement sold at regular prices are also available. Regular cartridges are also recyclable at no cost through Lexmark Cartridge Collection Program.