THEY ARE PRODUCED BY A DIFFERENT SUPPLIER THAN THE 'NON ECO' SERIES. 12 MONTH WARRANTY! TONER ML-1610D3 BLACK COMPATIBLE ECO SERIES FOR SAMSUNG ML 4521/ML 2010 ML 1610D2 3,000 Pages. ORIGINAL BROTHER TN-2220 FOR Brother HL 2240, 2270DW, 2250.7360.7460.7860 TN222.
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