Brother TN5000PF Black Toner Cartridge - Retail Packaging
This high-quality replacement cartridge is compatible with the following models:  Brother Multifunction Center MFC 4450,  Brother Multifunction Center MFC 4550+,  Brother Multifunction Center MFC 4650,  Brother Multifunction Center MFC 6550MC,  Brother Multifunction Center MFC 6650MC,  Brother Multifunction Center MFC 7550MC,  Brother Multifunction Center MFC 7650MC,  Brother Multifunction Center MFC 7750,  Brother Plain Paper Fax PPF 2750,  Brother Plain Paper Fax PPF 3550,  Brother Plain Paper Fax PPF 3650,  Brother Plain Paper Fax PPF 3750.