This is a compatible replacement for the Okidata 45488801 black toner cartridge, designed to work with Okidata B721 and B731 laser printers. It delivers a standard yield of up to 18,000 pages, ensuring high-quality printing results. Manufactured with 100% new components, this cartridge provides a cost-effective alternative to the original Okidata toner. The use of compatible cartridges does not void your printer's warranty and is backed by our 100% Quality Satisfaction Guarantee.