Cartridge People toner cartridges and Drums are ISO 9001 quality assurance and ISO 14001 environmental management certified. They are excellent economical alternatives to the high-cost OEM toner These products go through rigorous testing and quality control to ensure the highest level of quality and reliability. It was precisely designed to deliver clear and crisp printing results to satisfy your needs. A perfect partner with your printer. All compatible toner cartridge replacements for A0TM132, TN-618 are tested with industry quality control processes to ensure compatibility with your printer along with sharp text, bold Blacks, and crisp graphics Estimated Page Yield: 37,500 pages per Black A0TM132, TN-618 toner cartridge (depends on printer and usage) OEM Konica Minolta TN618, A0TM132, Black Toner Cartridge, 37,500 Pages, BIZHUB 552, BIZHUB 652