The test file at https://github.com/mozilla/pdf.js/blob/master/test/pdfs/annotation-choice-widget.pdf contains listboxes, which are not rendered correctly when printed right now. These kinds of fields are made by https://github.com/mozilla/pdf.js/blob/master/src/display/annotation_layer.js#L672-L678.

/cc @calixteman 
return state ? super._getExportValue(state) : "Off";
  }
  isBoxChecked(nWidget) {
    if (this._value === "Off") {
      return false;
    }
    return super.isBoxChecked(nWidget);
  }
  isDefaultChecked(nWidget) {
    if (this.defaultValue === "Off") {
      return this._value === "Off";
    }
    return super.isDefaultChecked(nWidget);
  }
  checkThisBox(nWidget, bCheckIt = true) {
    if (nWidget < 0 || nWidget >= this._radioIds.length) {
      return;
    }
    this._id = this._radioIds[nWidget];
    this._value = bCheckIt ? this.exportValues[nWidget] : "Off";
    this._send({ id: this._id, value: this._value });
  }
}
export { CheckboxField, Field, RadioButtonField };