Lexmark OEM Lexmark T640 Tray Bias AssemblyCompatibility:Lexmark T640,Lexmark T640DN,Lexmark T640DTN,Lexmark T640N,Lexmark T640RN,Lexmark T640TNLexmark T640 Tray Bias AssemblyLexmark, LEX, 40X0213, Lexmark T640 Tray Bias Assembly, Printer Part;Brand:Lexmark