Suitable for Lexmark CS72x/CX725 laser printers if they are producing streaks and smudges on the page. The photoconductor will need to be replaced before it causes damage to the printer. This Lexmark Photoconductor Kit breathes new life into a heavily used printer and fixes any smudges or streaks quickly and easily. Installation is simple and the new photoconductor will last for approximately 150,000 pages without having to buy a new printer.