This is a Compatible Konica Minolta 4053-401 / TN310K Black Laser Toner Cartridge designed for use with Konica Minolta Bizhub C350, C351, and C450 Color Copiers. It offers a standard yield of up to 11,500 pages, providing a reliable and economical alternative to the original Konica Minolta toner cartridges. Manufactured brand new, this cartridge ensures high-quality printing results. The use of compatible toner cartridges does not void your printer warranty and is backed by our 100% Quality Satisfaction Guarantee.