Instalasi Scanner USB di Windows XP Khususnya UMAX 3400/3450

Buka Control Panel => system => Hardware => Device Manager => Imaging Device
=> Umax Astra 3400/3450 => Update Driver, lalu pada Hardware Wizard pilih
Install from a list or specific location => Next => Don't Search......
=> Next => Imaging Device => Next => Umax.....
dan pilih USB Scanner lalu Next terakhir pilih Continue Anyway.
Dijamin Sukses (dari pengalaman pribadi)