The OKI B731dn uses black toner with part number 45488801, a standard-capacity cartridge rated for about 18,000 pages. This compatible toner replaces the OKI 45488801 in your monochrome printer. The same toner also fits the OKI B721dn and B731dnw. Same-day shipping on most orders.
Reg Price $199.99
$139.99
0.8¢ per page