Lexmark photoconductor kit e250dn e350d e352dne450dn e250x22g if your lexmark e250dn e350d e353dn or e450dn laser printer is producing streaks and smudges on your pages the photoconductor will need to be replaced before it causes damage to the printer use this lexmark photoconductor kit to breathe new life into a heavily used printer and fix any smudges or streaks quickly and easily installation is simple and the new photoconductor will last for approximately 30 000 pages with