for Fuji Xerox Phaser 6510 WorkCentre 6515. Color: BK, C, Y, M. Net Wight : 100g / bottle. feature: Cost saving, no damage printer, High quality print, Low carbon environmental friendly. note: Avoid directly contacting with your eyes or skin. Please make sure your cartridge is refillable before refilling. How to know your cartridge is refillable?