The Genuine OKI B4300 Toner Cartridge OEM is a high-quality product designed specifically for OKI Data printers, such as the B4400, B4500, and B4600 mono printers. Made in Japan, this black toner cartridge is ideal for producing crisp and professional black prints. As an original equipment manufacturer (OEM) product, it is guaranteed to meet the highest standards of quality and performance. With a unit quantity of 1, this genuine OKI toner cartridge is an essential component for ensuring consistent and impressive results with your OKI printer.