The Lexmark 78C0D40 Developer Unit is designed for reliable, everyday printing. It helps reduce wear and tear on your printer, ensuring it runs smoothly. This magenta unit yields up to 125,000 pages, making it a durable option for your printing needs. https://garafour.com/product/lexmark-78c0d40-developer-unit-125000-page-yield-magenta-lex78c0d30/