The original OKI 46508712 toner cartridge is the highest capacity black unit available for the C332dn and MC363dn colour laser printers. As this genuine OKI 46508712 has been manufactured by the same people as your printer, you can expect an unbeatable quality of print from the cartridge.Designed to produce and estimated 3,500 pages, the OKI 46508712 black toner cartridge is also great value and an ideal choice for a busy office environment. The original OKI 46508712 comes with a full guarantee from the manufacturer for a full year from purchase.