Compatible replacement for the Lexmark 12A6735 high yield black toner cartridge, designed specifically for printing professional checks. This MICR toner contains special iron that allows checks to be detected and processed by banks' scanning systems. It delivers a yield of up to 21,000 pages, ensuring reliable and consistent output for your Lexmark laser printer. An economical alternative to expensive OEM cartridges, this remanufactured toner does not void your printer warranty and is backed by our 100% Quality Satisfaction Guarantee.