1.Experienced and exquisite mould development and good mould blowing techniqueensure stable quality and replaceable use in machine; 2.Best compatility and strict quality control before shipment guarantee excellent costomer services and smooth cooperation; 3.We are direct manufacturer of toner powder,which facilitate to improve print effect more efficiently and collect customer's feedback; 3.We can do customized and personalized package for customers to add customer-oriented value; 4.Sharp ar021 for use in AR-3818/3820/3821/3020; 5.Ourkyoceracopier cartridge models and matched used machines as below. OEM Model For Use InAR 016T /FT/STAR 5015/5015N/5120/5220/5136/5320AR 202T/FT/STAR-160/163N/201N/206N/1818/1820AR 203/204Sharp 163N/1818/2618/2718/2818/26161820/160201N/2820/M250/201/ 205/206209/ 2820/2918AR 270/271AR-275/255/M276/M236AR 310T/ST/FTAR-256L/316L/M258/M318AR 311AR-256L/316L/M258/M318AR 021/020/022AR-3818/3820/3821/3020