Model: ScanJet 6300c, ScanJet6300C
Operating System: Windows XP (Note: might work with other versions of this os.)
1. Install sj675en.exe
2. Install firmware update found at:
3. Now windows XP is recognising the scanner and requesting the driver for it.
The driver can be found at c:\sj675
I hope this will solve your problem, the solution were tricky find!