The Lexmark™ X1100 Series All-In-One combines the functionality of an inkjet printer, a scanner, a copier, and a fax machine all into a single, multifunction device, making it one of the most exciting products on the market. Here we have listed links of Lexmark x1100 series printer windows 7 drivers. 
Lexmark Inkjet Printer 1100 Series
Lexmark X1110
Lexmark X1130
Lexmark X1140
Lexmark X1150
Lexmark X1155
Lexmark X1160
Lexmark X1170
Lexmark X1180
Lexmark X1185
Lexmark X1190
Lexmark X1195
Click here to download windows 7 driver for Lexmark x1100.
Note: Windows Vista drivers for Lexmark 1100 series are compatible with Windows 7. At above link you can also find Windows XP driver for Lexmark 1100 series printers.
How to Update Lexmark x1100 Drivers in Windows 7
To install the Lexmark X1100 All-in-One Printer driver, download the latest version of the driver for Windows 7 by clicking on the link above. Once you download updated driver unzip it on your windows 7 machine and follow the instruction given in this article How to Update Drivers in Windows 7.
I have installed windows 7 and now my lexmark x1100 printer is not working. where i can get lexmark x1100 windows 7 DRIVER
use windows vista driver. Vista drivers are compatible with windows 7
Lexmark x1100 printer windows8 driver – I used the drivers for Vista and it worked on Windows 8 for me.