Lexmark OEM Lexmark T640 Upper Cover Latch SpringCompatibility:Lexmark T640,Lexmark T640DN,Lexmark T640DTN,Lexmark T640N,Lexmark T640RN,Lexmark T640TNLexmark T640 Upper Cover Latch SpringLexmark, LEX, 40X0011, Lexmark T640 Upper Cover Latch Spring, Spring;Brand: Lexmark