For ML-2150,ML-2250,ML-2555,ML-2550,ML-3560,ML-8200,ML-8300,ML-8400,ML-8550,ML-8700,SCX-4200,SCX-4720,SCX-6320,CLP300 Xerox 3500 ... FOR use in ML-2150,ML-2250,ML-2555,ML-2550,ML-3560,ML-8200,ML-8300,ML-8400,ML-8550,ML-8700,SCX-4200,SCX-4720 ... -test to ensure that all our products are defect-free.B. Our chips,toner cartridges or toner powder,vivid color, smoothly ...