This is a compatible replacement for the Samsung CLT-K407S black toner cartridge, designed to perform reliably with your Samsung laser printer. It offers a standard yield of up to 1,500 pages, making it a cost-effective alternative to the original Samsung cartridge. Engineered with new parts, this cartridge ensures high-quality printing results while providing significant savings over OEM options. The use of compatible cartridges does not void your printer's warranty and is backed by our 100% Quality Satisfaction Guarantee.