Built for efficiency and longevity, the 503X Extra High Yield Toner Cartridge is a reliable choice for high volume printing needs. With an impressive duty cycle of approximately 10,000 pages at 5% coverage, this cartridge is a great asset for busy offices and businesses. Not only does it guarantee consistent, high-quality results, but it also contributes to a sustainable printing practice through the Return Program, making it an environmentally friendly option. Compatible with various Lexmark MS410, MS510, and MS610 models, the 503X Extra High Yield Toner Cartridge is a versatile choice designed to meet the demands of modern printing.