This Ricoh 407249 has been produced by the same people who designed your printer, who else could you possibly trust to give you the best results?Original Ricoh toner cartridges offer the very best results from your mono laser printer and the 407249 shows this very well. Containing nothing but original Ricoh black toner powder, the prints produced by the 407249 are incredible.Compatible with the Ricoh SP311DNW and all other printers mentioned on this page, the genuine 407249 is an essential purchase.