This is a combined MLT-D1052S toner and drum cartridge, the MLT-D1052S toner cartridges replaces the most frequently worn parts of your printer. Approx 1500 pages. ML-1910,ML-1915,ML-2525,ML-2525W,ML-2540,ML-2545,ML-2580N,SCX-4600,SCX-4623F,SCX-4623FN,SCX4623FW,SF-650,SF-650P
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