Once self-extracted,it creates a folder here c:\LXK1000 and trigger the Add Printer Wizard to come alive.
Follow the Wizard's instructions, don't let it try to find it automatically, and when you see the Make of your printer in the list hilight it and click HAVE DISK.
In the drop down menu that follows select the above folder. Follow the rest of the prompts until Finished. Restart the computer and it should work straight away.