firmware',
    'EXCEPTION': 'Unknown Error code',
}
</code></pre>
<h3 id="list-of-enum-printer-mode">List of enum printer mode</h3>
<pre class="language-dart"><code class="language-dart">enum PrinterMode {
  NORMAL_MODE,
  BLACK_LABEL_MODE, 
  LABEL_MODE
}
</code></pre>
<h3 id="list-of-enum-alignments">List of enum Alignments</h3>
<pre class="language-dart"><code class="language-dart">enum SunmiPrintAlign {
  LEFT,
  CENTER,
  RIGHT,
}
</code></pre>
<h3 id="list-of-enum-qrcode-levels">List of enum Qrcode le