This is a remanufactured replacement cartridge for the Hewlett Packard CE278A MICR black laser toner cartridge. Designed specifically for printing professional checks, this MICR toner contains a special iron that allows checks to be detected by bank scanning systems. The cartridge is remanufactured using both OEM and non-OEM components, ensuring quality and reliability. It delivers a standard yield of up to 2,100 pages, making it a cost-effective alternative to expensive OEM options. The use of this remanufactured toner does not void your printer's warranty.