or here 8.0pt>www.softwaredriverdownload.com/lexmark_x1240_printer_driver.html If you have lost the installation disk, that is ok, the printer can still be setup.
Once you have downloaded the driver from the website, install it manually.
Goto "Printer and Faxes" from Windows 'Start' button.Right click and choose "Add a printer". Follow the steps and when you are finished with this printer setup wizard, you can use your printer now.