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 
(this._defaultAppearance = "/Helvetica 0 Tf 0 g")
      );
    }
    const font = await this._getFontData(evaluator, task);
    const [defaultAppearance, fontSize] = this._computeFontSize(
      totalHeight - defaultPadding,
      totalWidth - 2 * hPadding,
      value,
      font,
      lineCount
    );
    let descent = font.descent;
    if (isNaN(descent)) {
      descent = 0;
    }
    const vPadding = defaultPadding + Math.abs(descent) * fontSize;
    const alignment = this.data.textAlignment;
    if (this.data.multiLine) {
      return this._getMultilineAppearance(
        defaultAppearance,
        value,
        font,
        fontSize,
        totalWidth,
        totalHeight,
        alignment,
        hPadding,
        vPadding
      );
    }