To access your scanner, you will probably need the related kernel drivers. A SCSI scanner will need SCSI drivers, a parallel port scanner needs parallel port support (you should use enhanced EPP modes) and an USB scanner will need the USB scanner module and a SCSI system for emulation. Be sure that you have got the necessary devices to access the drivers. Install SANE backends by running the following commands: ./configure --prefix=/usr && make && make install To install SANE frontends, use the following commands: ./configure --prefix=/usr && make && make install