This is a professionally developed toner refill kit for the Lexmark Optra C540, C543, C544, refill tools accessories and easy to use instructions. This is compatible with Lexmark Optra C540, C543, C544 and other Printer(s). These cartridges do require a replacement chip which is sold separately. Page yield : black - 2500 pages, color - 2000 pages.
This item is guaranteed to work with the following printers :