DUTY CYCLE - Delivers up to 50000 pages | Qty 1 BROTHER GENUINE supplies are engineered to work perfectly with your printer, delivering consistent page yields, superior print quality and flawless reliability DEVELOPED - by the same team of engineers who made your Brother printer. That means they’re designed to work together to deliver superior quality printed documents that wont let you down OPTIMAL PERFORMANCE - uncompromising, high level of operation from your Brother machine when using genuine waste transfer units. SUITABLE WITH BROTHER PRINTERS - HL-3040CN, HL-3070CW, DCP-9010CN, MFC-9120CN, MFC-9320CW