This is a remanufactured replacement for the Hewlett Packard C8061X (HP 61X) black MICR laser toner cartridge. Designed specifically for printing checks, it contains a special iron in the toner that is detectable at banks. This cartridge is built using both OEM and non-OEM parts, ensuring high reliability and performance. The remanufactured HP C8061X is an economical alternative to expensive OEM cartridges, and using it does not void your printer's warranty. Backed by a 100% Quality Satisfaction Guarantee.