This Lexmark 71B2XK0 has been produced by the same people who designed your printer, who else could you possibly trust to give you the best results?Original 71B2XK0 toner cartridges offer the very best results from your colour laser printer and the 71B2XK0 shows this very well. Containing nothing but original Lexmark black toner powder, the prints produced by the 71B2XK0 are incredible.Compatible with the Lexmark CX517de and all other printers mentioned on this page, the genuine 71B2XK0 is an essential purchase.