All our TN247 premium toners are made to highest standards and carry the ISO9001 worldwide quality certification. The TN247 black prints approx 3000 pages at 5% average coverage. DCP L3517CDW,DCP-L3510CDW,DCP-L3550CDW,DCP-L3710CW,HL-L3210CW,HL-L3230CDW,HL-L3270CDW,MFC-L3730CDN,MFC-L3750CDW,MFC-L3770CDW.
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