Buy the LC1000VALBPDR 4-color pack and get original Brother toner cartridges at a lower price. The package contains LC1000BK, LC1000C, LC1000M and LC1000Y color cartridges, so you can easily replace all colors when they run out. This way you also guarantee the best possible print quality.
The black toner cartridge prints 500 pages, and the colors (cyan, magenta and yellow) 400 pages (according to ISO/IEC 24711)