Lexmark MS631dw Toner Cartridges

The Lexmark MS631dw uses one toner: the 66S1X00, a black extra high yield cartridge rated at about 31,000 pages. The compatible toner here replaces the Lexmark 66S1X00 and works with the MS631dw. The same toner also fits the MS632dwe and MX632adwe. Same-day shipping on most orders.