Xerox Replacement For C8061A Black Laser Toner 006R03135 - For use in: LJ 4100 | 4100MFP | 4101MFP (1 x Laser Toner)Compatible Printers: Troy 4100 T Micr, Troy 4100 Series, Troy 4100 EX Micr Secure, Troy 4100 T EX Micr Secure, Troy 4100 EX Micr, HP LaserJet 4100 MFP, HP LaserJet 4100 N, HP LaserJet 4100 DTN, HP LaserJet 4100 TN, HP LaserJet 4100, HP LaserJet 4101 MFP, HP LaserJet 4100 Series
