Which 11xx model? That's like me saying I have a Chevrolet, gimme spark plugs for it. Why you folks are unable to state the model number for your device is beyond me. All you have to do is look at it BEFORE posting. (or did you think they only made the model in your possession)?
FYI, Lexmark made approx. 11 models of the X1100 series printers. You can see all drivers for it by visiting the manufacturers website.