Yinghai OEM-Compatible Sharp Toner - For [Model, e.g. MX-3071] | BT-L321SC | Low-Temp Fusion Tech

✅ Core Tech:  
- Low-Temp Fusion: 135℃ fusing (OEM 175℃), saves 30% energy
- Anti-Caking: No crystallization at -20℃~50℃ ,The warehouse test lasts for 12 months
✅ Precision Fit:  
- MX-30 Series: MX-3071/3571/4071 (BT-L321SC)  
- MX-50 Series: MX-5071/6071 (BT-L351SC)  
- AR Series : AR-3028/4028 (AR-3015T)  
✅ Chip Breakthrough:  
- 2023+ Models: Purple V3 encrypted chip  
- Auto-reset: Zero manual reset