Easy to install, a breeze to use and the kind of item which keeps on giving time after time, this product provides continued provision of top of the range print outs on a consistent basis. As such, this toner makes an ideal purchase. Lexmark really do understand all the finer aspects of printing and related accessories and as a result, this is a magnificently crafted consumable which has a single purpose. This item is black in colour and compatible with MX310dn/MX410de/MX510de/MX511de printers.