I changed the format of the parameters string in this driver (update is coming for the scanner to match). After tossing that error it should then have removed the old "parameters" data from the bottom of the device page. A new scan from this driver should pick everything back up again and store the correct format. Do not switch back to the "scanner" tool or it will wipe it out for the same reason. I should have an update for the scanner tool this week.
Following this you should be able to get the settings back:
