4inkjets.com's compatible Okidata 56123402 high yield black laser toner cartridge is guaranteed to perform with your Okidata MB260, MB280 or MB290 MFP laser printer. It replaces the original Okidata 56123402 laser toner cartridge. The compatible replacement high yield 56123402 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 56123402 Okidata laser cartridge and offer high-quality printing results. Manufactured brand new, containing 100% new components, they are an economical alternative to expensive OEM Type 56123402 Okidata laser toner cartridges and supplies, and offer big savings over brand-name 56123402 laser toner cartridges and supplies. For use in the Okidata MB260, MB280 or MB290 MFP printers. Replaces lower yield 56123401 black toner cartridge. The use of compatible replacement laser toner cartridges and supplies does not void your printer's warranty. We offer a 100% Quality Satisfaction Guarantee on our compatible 56123402 laser toner cartridges and supplies.