Lexmark 1200 driver problem

i have downloaded cjb1200windows7 (the windows 7 driver for 1200 series printer) but whenever I install it, it will uninstall any previous drivers(no prevois drivers on the computer or any lexmark software).
So I do what it says and then restart the computer, when I click the driver setup it just repeats what it does before I restarted the computer (that it will uninstall any previous drivers before restarting), please help

Driver from Lexmark.com

Did you get that driver from Lexmark.com? The name should be cjb1200win7en.exe. You can download it from here Lexmark - United States