This genuine 45807102 is a brand new product that came straight to us from OKI and is guaranteed to give you the very best print quality available. Containing a black toner powder formulated to give smooth prints with sharp line and a variety of different tones, the original OKI 45807102 is astounding.You can expect to receive an estimated 3,000 prints from each of these OKI 45807102 mono laser toner cartridges in the Oki B512dn and all other compatible printers. A full list of all black and white laser printers that can benefit from the OKI 45807102 can be found on this page.