Performance Plus L50 Compatible Toner for Canon ImageClass D660/661/680/760/761/780/860/861/880 Replacement cartridge for Canon L50 Compatible with Canon printers: ImageClass D660/661/680/760/761/780/860/861/880 Performance Plus+ replacement laser cartridges are carefully color-matched to the original manufacturer's color, you can replace just one cartridge with a Performance Plus+ laser cartridge without fear of 'color shifting' with the remaining cartridges All cartridges pass through extensive quality control testing prior to leaving the factory 1 year warranty