This is a remanufactured replacement cartridge for the Hewlett Packard Q5949A MICR black laser toner cartridge. MICR toners are specifically designed for printing professional checks, utilizing a special iron in the toner that allows checks to be detected and processed by a bank's scanning system. The LD remanufactured Q5949A toner cartridge contains up to 85% new parts and is fully disassembled and rebuilt to ensure high-quality prints. This economical alternative to expensive OEM cartridges does not void your printer's warranty and is backed by a 100% Quality Satisfaction Guarantee.