  
For use in printer and fax models, Brother HL-5140, HL-5150, HL-5150D, HL-5150DLT, HL-5170, HL-5170DN, HL-5170DNLT, DCP-8040, DCP-8040RF, DCP-8045D, MFC-8220, MFC-8220RF, MFC-8440, MFC-8440RF, MFC-8840D, MFC-8840DN, MFC-8840DRF. Page yield is 20,000 pages.
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