On a NS-30G Scannerboard (Firmware Version 2.64.5) some settings made via the web interface won't be saved. This is rendering the scanner part useless.
Perhabs a Firmware update might help. But I don't know where to download a new firmware and the IBVerUp Tool (mentioned here KYOCERA MITA | ServiceWorld | Techn. Support | FAQ | FAQ details - How can I update the firmware of an NS-30 scanner card? - laserprinter, printer, copier, multifunctionals