Please follow the instructions below and then tell me what happens..
First, let's make sure your computer has the latest Windows Updates, especially .net framework, needed to run many applications and the latest Java.
Disconnect your printer.
Download and run this patch to completely remove the printer from your computer. Run the patch(a MUST on Vista machines) until it prompts you to restart your computer.
If using Windows 7 also try...Manual Printer Driver Removal
Restart your computer.