This set includes four remanufactured toner cartridges for the HP 504X series, providing a cost-effective solution for your printing needs. The set features high-yield black (CE250X), cyan (CE251A), magenta (CE253A), and yellow (CE252A) cartridges, delivering a total yield of up to 17,500 pages. Each cartridge is fully disassembled and rebuilt to ensure reliable performance and high-quality prints. Using LD remanufactured cartridges will not void your printer's warranty and they come with a 2-year guarantee.