New York TonerTM New Compatible 2 Pack 56120401 High Yield Toner For OKI B Series : B2500 | B2520 | B2540. --Black New York Toner brand replacement, alternative to OEM product. One year warranty from the date of purchase against manufacturer defects. Content: Two High Yield Toner Cartridge | Color: Black | Page Yield: 15000 pages (based on 5% coverage per page). This replacement toner cartridge is built to ISO9001 and ISO14001 Factory Standards. Compatibility: Okidata 56120401 OKI: B2500 | B2520 | B2540.