哥哥可再充装的油墨（激光）的子弹

Refillable toner cartridge is a new generation product which features convenient toner refilling, high performace-to-price ratio and environmental friendly. The unique design is the refilling hole on toner chamber with an removable sealing plug, so it is very easy for you to refill the toner powder. Also, there is a hole on the waster toner chamber for easy cleaning, Based on those features, printing life of toner cartridge can be prolonged by 2 or 3 times. For use with Brother HL2140,2150,2170,DCP7040