This is a compatible Kyocera TK-5142M magenta laser toner cartridge designed to work with Kyocera laser printers. It replaces the original Kyocera 1T02NRBUS0 toner cartridge and offers a standard yield of up to 5,000 pages. This economical alternative is engineered to deliver reliable performance and high-quality printing results. Using compatible toner cartridges does not void your printer's warranty, and it is backed by our 100% Quality Satisfaction Guarantee.