You need to uninstall and reinstall the Microsoft Office Document
Imaging feature to restore the MODI printer driver. Instructions
courtesy of Windows MVP Carey Frisch:
1. Close all running applications. If you have any Office
application running, the driver will not be installed properly.
2. Go to "Control Panel" and "Add or Remove Programs".
3. Click on "Microsoft Office 2003" and then click on "Change".
4. Check "Add or Remove Features" and click "Next".
5. On the bottom of the page check "Choose advanced
customization of applications." and click "Next".
6. Under Microsoft Office click on the + sign in front of
"Office Tools"
7. Locate the object "Microsoft Office Document Imaging",
click the icon and select "Not Available".
8. Click on "Update". This will uninstall the MODI driver.
9. Repeat steps 1 to 6 to go back to the same location you
were before.
10. Locate the object "Microsoft Office Document Imaging",
click the icon and select "Run from My Computer".
11. Click on "Update".
Once this is complete, you can go to "Control Panel" and then to
"Printers and Faxes", if you see a printer with the name of
"Microsoft Office Document Image Writer" then the MODI (Microsoft
Office Document Imaging) is properly installed.