This is the Packard Bell Diamond 1200 USB Driver for Windows XP. It Contains the Twain Driver and The Panel. This is Actually The Mustek Bearpaw 1200CU, they took over the compant and just changed the name, trust me it works, I know because i have the same scanner. This should make your life easier, it did mine. It took me ages, I'm happy to share it.
The following files are found inside the driver download file.
|b1200cuv13.EXE||19.4 MB||14 Jul 2002|
|XPDriver.EXE||369.4 KB||14 Jul 2002|