Manufacturer part no tn3390 tn 3390 tn 3390 tn3390bk colour high capacity black duty cycle approx 12 000 pages 5 average coverage compatible with brother mfc 8510dn laser printer brother mfc 8520dn laser printer brother mfc 8950dw laser printer brother mfc 8950dwt laser printer brother hl 5440d laser printer brother hl 5450dnt laser printer brother hl 5450dn laser printer brother hl 5470dw laser printer brother hl 6180dw laser printer