From the desktop, double-click the Lexmark 4300 Series folder.
Note:
If the Lexmark 4300 Series folder is not found on the desktop or was accidentally deleted, go to the Mac OS X drive where the All-In-One software was installed, and then choose LibraryPrintersLexmark2005Lexmark 4300 Series.
Double-click the Lexmark 4300 SeriesUninstaller icon.
Provide your password or passphrase, and then click OK.
Note:
For help with passwords, click to go to the Help Center.
Click Uninstall. The Uninstall Successful dialog will appear.