MICR, which is short for Magnetic Ink Character Recognition is a technology that utilizes magnetically charged ink or toner to print numbers and special characters on the bottom of checks. MICR Print Solutions™ brand cartridges contain all original OEM components and are then filled with a specially formulated high adhesion MICR toner. Meets all US and Canadian banking standards. MICR Toner Cartridge for HP LaserJet 2300, 2300L, 2300n, 2300d, 2300dn and 2300dtn printers. 100% performance guarantee. Yields up to 6,000 pages. Ideal for check printing needs. This MICR Print Solutions cartridge is a genuine-new HP cartridge that has been specially configured for check printing.