Lexmark T640, T642 and T644 supplies are designed for the highest quality output, performance and easy installation, from the first page to the last. Lexmark T640, T642 and T644 supplies are not compatible with other Lexmark Printers. Average Cartridge Yield 21,000 standard pages. Declared yield value in accordance with ISO/IEC 19752.

• Black
• Yields up to 21,000 Pages
• Compatible Printers: Lexmark T640, T642 and T644