post_install() {
  echo "Registering iscan plugins and firmwares"
  iscan-registry --add interpreter usb 0x04b8 0x0147 \
    /usr/lib/iscan/libiscan-plugin-ds-30
}

pre_remove() {
  echo "Unregistering iscan plugins and firmwares"
  iscan-registry --remove interpreter usb 0x04b8 0x0147 \
    /usr/lib/iscan/libiscan-plugin-ds-30
}