OPC drum for Brother 7420:1,strong brand products 2,Guarantee good prints and solid blacks throughout 2 life cycles at least, OPC drum for Brother 7420:Brand : OEMFor use in : brother 7420Color: BlackQuaity : High quality .Our factory’s strong brand products ! Packing : 200pcs / CartonsDelivery : By air or by seaAs a major manufacturer , PCR together with developer Roller . Supply Roller , chips ...