Apple today released Lexmark Printer Driver 1.1.
The Lexmark Printer Driver Update includes the latest drivers for printers you have used on your system.
This update is available via Software Update and will only be visible if the printer is connected to your computer or a print queue has been created for an earlier version.
Lexmark Printer Driver 1.1 is also available as a 71MB standalone installer.
More info and download link here.