PREMIUM QULAITY OF BROTHER GENUINE BLACK TONER CARTRIDGES YIELDING 2,500 PAGES. COMPATIBLE PRINTERS (IF ANY): BROTHER HLL3230CDW,BROTHER HLL3270CDW,BROTHER MFCL3745CDW,BROTHER MFCL3770CDW,BROTHER MFCL3750CDW,BROTHER DCP-L3510CDW