They replace the original Brother DR420 Laser Drum units and TN450 toner. Drum 12,000 / Toner 2,600 Pgs. Laser Toner. 1PK DR-420 Drum. 2PK DR-420 Drum. Page Yield MFC-7240, MFC-7360N, MFC-7365DN, MFC-7460DN, MFC-7860DW.
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