This is a remanufactured replacement for the Hewlett Packard Q5942A MICR black laser toner cartridge. Specifically designed for printing checks, it includes a special iron in the toner that is detectable at banks. The cartridge is rebuilt using both OEM and non-OEM components to ensure high-quality prints and reliability. The use of this remanufactured cartridge does not void your printer's warranty. Backed by our 100% Satisfaction Guarantee.