This is a compatible replacement for the Samsung CLT-K409S black toner cartridge, guaranteed to perform with your Samsung CLP-315 or CLX-3175 laser printer. It delivers a standard yield of up to 1,500 pages, providing reliable and consistent print quality. This economical alternative to the original Samsung cartridge is designed using new and used parts, including a new smart chip, ensuring high-quality printing results. The use of compatible toner cartridges does not void your printer's warranty, and we back this product with a 100% Quality Satisfaction Guarantee.