Lexmark CS317 CX317 CS417 CX417 CS517 CX517 CS317dn CX317dn CS417dn CX417de CS517de CX517de Lexmark CS317DN, CS417DN, CS517DN, CX317DN, CX417DN, CX517DE, CX417DE Black Toner Cartridge OEM PART # 71B10K0 COLOR: BLACK Pages Yield: 3000 Pages @ 5% Coverage This is a REMANUFACTURED BLACK toner cartridge.