This is a compatible replacement for the HP CB435A MICR (35A) black laser toner cartridge. Designed specifically for printing professional checks, this toner features a special iron that allows checks to be detected by bank scanning systems. It delivers a yield of up to 2,000 pages, ensuring you can print high volumes without interruption. Our compatible toner is an economical alternative to expensive OEM cartridges, providing reliable performance for your HP printer. The use of this compatible toner does not void your printer's warranty.