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Lexmark C543 Printer Driver (95/98/ME) (43)
Lexmark C543 Printer Driver (2000/XP) (56)
Lexmark C543 Printer Driver (Vista/Windows 7) (46)
Lexmark C543 Printer Driver (XP-64bit) (43)
Lexmark C543 Printer Driver (Vista/Windows 7-64bit) (50)
From this page as a free Lexmark C543 Color Laser Printer download. (32bit and 64bit)
