The lexmark c752 supplies are designed to provide exceptional value reliability and outstanding print quality c752 supplies offer an easy front loading design with a simple intuitive user interfacereturnprebate cartridges are sold at a discounted price vs the price of regular cartridges in exchange for the customers agreement to use the cartridge only once and return the cartridge to lexmark for recycling once its empty all toner boxes ship with prepaid postage labels for customers to r