This is a new genuine OEM cartridge modified with MICR toner for check and barcode printing. It is custom built with the Xerox Standard Capacity Toner Cartridge, Phaser 4600/4620 (13,000 Pages) for Phaser 4600/4620. This Xerox toner cartridge is specially formulated and tested to provide the best image quality and most reliable printing you can count on page after page. Our modified OEM MICR Cartridges deliver high-quality MICR output and excellent toner yield, at an exceptionally low cost per page. We offer an exclusive 30-day customer satisfaction guarantee and Manufacturer Warranty. Our dedicated customer care staff is available 9 a.m. to 7 p.m, Monday through Saturday, to answer any questions and provide technical support.