Average Continuous Black Declared Cartridge Yield up to 38,000 standard pages in accordance with ISO/IEC 19798.nn- These Lexmark supplies are designed to provide exceptional value, reliability and outstanding print quality.n- True: Accurate technology. Genuine quality. Environmental focus. It's our nature.n- Image: Crisp print. Professional documents. Great Impressions. Project your character.n- Always: Dependable. Page after page. Year after year. Count on Lexmark.