Lexmark 4200 series all-in-one center download not recognizing my printer

http://www.microsoft.com/windows/compatibility/windows-7/en-us/Details.aspx?type=Hardware&p=Lexmark%20X4270%20All-In-One%20Printer&v=Lexmark&uid=21C2285&l=en-US&pf=0&pi=0&s=X4270%20&os=32-bit

Open Printers by clicking the Start button Picture of the Start button, clicking Control Panel, clicking Hardware and Sound, and then clicking Printers.

Right-click the printer for which you need a new driver, click Run as administrator, and then click Properties. Administrator permission required If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

Click the Advanced tab.

Click New Driver, and then complete the steps in the Add Printer Driver Wizard.
 
You can download and install the Lexmark X4270 driver by visiting the Lexmark website at http://bit.ly/gKXn7F. Select your operating system, download and execute the file. Follow the instructions on your computer.