The Lexmark MB2338adw uses the genuine OEM Lexmark B231000 black toner, a standard-yield cartridge rated for about 3,000 pages. When the drum wears out, a compatible drum that replaces the Lexmark 56F0Z00 is rated for about 60,000 pages. The same supplies also fit the MB2442adwe, MB2650adwe and B2338dw. Orders get free shipping on orders over $50 in the contiguous US.
