Lexmark OEM Lexmark X543dn Top Cover Assembly;Compatibility:Lexmark X543DN,Lexmark X544DN,Lexmark X544DTN,Lexmark X544N,Lexmark X546DTN,Lexmark X548DE,Lexmark X548DTE;Lexmark X543dn Top Cover Assembly;Lexmark, X543dn, Top, Cover, Assembly, 40X5482;Brand: Lexmark