HP ScanJet Pro 3500 f1 Flatbed Scanner Basic Driver
File: Basicpack_sj3500f1-39.4.74-sj3500f1_BasicDriver_Webpack.exe
8b7feb846d92e71994e6f3b1dee8a268f63e1a02f0f0006fbe7d95b9ec9cad36
HP ScanJet TWAIN driver
File: TwainBasicPack_sj3500f1-39.4.62-sj3500f1_TwainBasicPack.exe
9a886f0669cc0a956abdad62c6ec3874ab606f36a7e4496435b77321401c2636