NFePHP\Extras\Danfce::printDANFCE PHP Method

    public function printDANFCE($output = 'pdf', $nome = '', $destino = 'I')
    {
        if ($output == 'pdf') {
            //montagem do pdf
            $m = 2.1;
            //Margens 2.1mm = 8px do formato HTML
            if (is_array($this->papel) && strtolower($this->papel[1]) == 'one-page') {
                $mpdf = new mPDF('', array($this->papel[0], 841.89), 0, '', $m, $m, $m, 0, 0, 'P');
                $mpdf->useCoreFontsOnly = true;
                $mpdf->WriteHTML($this->html, 0, true, false);
                $this->papel = array($this->papel[0], $mpdf->y + $m);
            }
            $this->mpdf = new mPDF('', $this->papel, 0, '', $m, $m, $m, 0, 0, 'P');
            $this->mpdf->WriteHTML($this->html);
            return $this->mpdf->Output($nome, $destino);
        } else {
            echo $this->html;
        }
        return true;
    }

<?php

error_reporting(E_ALL);
ini_set('display_errors', 'On');
require_once '../../bootstrap.php';
use NFePHP\NFe\ToolsNFe;
use NFePHP\Extras\Danfce;
use NFePHP\Common\Files\FilesFolders;
$nfe = new ToolsNFe('../../config/config.json');
//$nfe->aConfig['aDocFormat']->pathLogoFile // Logo em config
$saida = isset($_REQUEST['o']) ? $_REQUEST['o'] : 'pdf';
//pdf ou html
$ecoNFCe = false;
//false = Não (NFC-e Completa); true = Sim (NFC-e Simplificada)
$chave = '52160522234907000158650010000002001000002009';
$xmlProt = "D:/xampp/htdocs/GIT-nfephp-org/nfephp/xmls/NF-e/homologacao/enviadas/aprovadas/201605/{$chave}-protNFe.xml";
// Uso da nomeclatura '-danfce.pdf' para facilitar a diferenciação entre PDFs DANFE e DANFCE salvos na mesma pasta...
$pdfDanfe = "D:/xampp/htdocs/GIT-nfephp-org/nfephp/xmls/NF-e/homologacao/pdf/201605/{$chave}-danfce.pdf";
$docxml = FilesFolders::readFile($xmlProt);
$danfce = new Danfce($docxml, '', 2);
$id = $danfce->montaDANFCE($ecoNFCe);
$salva = $danfce->printDANFCE('pdf', $pdfDanfe, 'F');
//Salva na pasta pdf
$abre = $danfce->printDANFCE($saida, $pdfDanfe, 'I');
//Abre na tela