This is a compatible Okidata 43502001 (Type 9) high yield black laser toner cartridge designed for use with your Okidata B4600 laser printer. It delivers a yield of up to 7,000 pages, providing an economical alternative to the original Okidata cartridge. Manufactured with 100% new components, this cartridge ensures reliable performance and high-quality printing results. The use of compatible cartridges does not void your printer's warranty and is backed by our 100% Quality Satisfaction Guarantee.