Compatible replacement for the HP CF230X (30X) MICR black toner cartridge, delivering up to 3,500 pages. This toner is specifically designed for printing professional checks, utilizing a special iron in the toner for detection by bank scanning systems. The cartridge contains up to 85% new parts, including wiper blades and OPC drums, ensuring high-quality prints. A cost-effective alternative to expensive OEM cartridges, this compatible toner does not void your printer's warranty and is backed by a 100% Satisfaction Guarantee.