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 
} else {
      this.setModificationDate(parentItem.get("M"));
      this.data.modificationDate = this.modificationDate;
    }
    if (!parentItem.has("C")) {
      
      this.data.color = null;
    } else {
      this.setColor(parentItem.getArray("C"));
      this.data.color = this.color;
    }
    
    
    
    if (!this.viewable) {
      const parentFlags = parentItem.get("F");
      if (this._isViewable(parentFlags)) {
        this.setFlags(parentFlags);
      }
    }
    this.setTitle(parentItem.get("T"));
    this.data.titleObj = this._title;
    this.setContents(parentItem.get("Contents"));
    this.data.contentsObj = this._contents;
    if (parentItem.has("RC")) {
      this.data.richText = XFAFactory.getRichTextAsHtml(parentItem.get("RC"));
    }
  }
}
class FreeTextAnnotation extends MarkupAnnotation {