Lexmark High Yield 155XL Black Twin Pack Pro715/Pro915 Lexmark High Yield 155XL Black Ink Cartridge Twin-pack with new Vizix 2.0 Print Technology Precise, consistent drop placement creates vibrant documents with sharp, clear text and vivid images Fast-drying inks create smooth, uniform colors and help ensure smear-resistant, two-sided printing Estimated Page Yield: 750 pages per cartridge (Based on standard page composite average yields under ISO/IEC 24711, actual yields vary according to customer usage) 2 Black Lexmark 155XL ink cartridges