Product Description Detailed Specs Downloads Reviews/Questions Product Description Black Ink Cartridge - 2 Pack Detailed Specs MFG Part Number LC51BK2PKS Product Type OEM Ink PDF-1 None PDF-2 None PDF-3 None PDF-4 None PDF-5 None Downloads Reviews/Questions The Brother LC51BK2PKS is also known as BRO -LC51BK2PKS or LC51BK2PKS