This is a compatible replacement for the Okidata 43459304 black high yield laser toner cartridge. It delivers up to 2,500 pages and is designed to work with Okidata C3400n, C3530MFP, and C3600n laser printers. Manufactured with 100% new components, this cartridge provides a reliable and economical alternative to expensive OEM options. The use of compatible cartridges does not void your printer's warranty and is backed by our 100% Quality Satisfaction Guarantee.