Xerox #106R02273 - Black Toner genuine
HP LaserJet 4345mfp, M4345 MFP series multifunction laser printers - Black Toner Cartridge (compatible and made by Xerox) (Alternative replacement for these HP toners: Q1338A, Q1339A, Q5942X, Q5945A, 38A, 39A, 42X, 45A) (23k-28k Yield Varies by Device)