This is a remanufactured Lexmark X264A21G high yield black MICR toner cartridge designed for printing professional checks. The cartridge contains a special iron in the toner that enables checks to be detected and processed by bank scanning systems. With a yield of up to 3,500 pages, it provides an economical alternative to expensive OEM cartridges while ensuring high-quality printing results. The use of remanufactured cartridges does not void your printer warranty and is backed by our 100% Quality Satisfaction Guarantee.