... 7420:1,strong brand products 2,Guarantee good prints and solid blacks throughout 2 life cycles at least, OPC drum for Brother 7420:Brand ... LBP-32X, 1000, EXBlueC3900AHP 4V,4MV,Canon LBP-BX,BXII, P-380BlueC7115AHP1000,1200,1220,3300,3320,3380BlueQ2612AHP1010,1012,1015,3015,3020 ... ,LBP 3500 Blue C3909X HP8000,WX Blue 4182XHP8100,8150 Blue OPC drum for Brother 7420