This is a Compatible Okidata 42127401 High Yield Yellow Laser Toner Cartridge guaranteed to perform with Okidata Laser Printers. It Replaces the original Okidata 42127401 Laser Toner Cartridge. The compatible replacement 42127401 Laser Toner Cartridges and supplies (also known as generic) are specially engineered to meet the highest standards of quality, reliability and exceptional yields that meet or exceed OEM (Original Equipment Manufacturer) standards for the 42127401 Okidata Laser Cartridge and offer high-quality printing results. Manufactured brand new, containing 100% new components, they are an economical alternative to expensive OEM 42127401 Okidata Laser Toner Cartridges and supplies, and offer big savings over brand-name 42127401 Laser Toner Cartridges and supplies. The use of compatible replacement Laser Toner Cartridges and supplies does not void Printer Warranty. We offer a 100% Quality Satisfaction Guarantee on our Compatible 42127401 Laser Toner Cartridges and supplies.