Lexmark OEM Lexmark T642dn/dtn/n/tn System Board;Compatibility:Lexmark T642,Lexmark T642DN,Lexmark T642DTN,Lexmark T642N,Lexmark T642TN;Lexmark T642dn/dtn/n/tn System Board;Lexmark, LEX, 40X5926, 40X0143, 40X2525, 40X2678, Lexmark T642dn/dtn/n/tn System Board, Board;Brand: Lexmark