problem at the time of generating pdf by jspdf, is generating only a part

I am having problems when generating pdf by jspdf , I am using the html of my view to generate pdf , however is blushing a part of pdf :

JS:

$scope.gerarPDF = function gerarPDF(){
    var pdf = new jsPDF('p','pt','a4');

    pdf.addHTML(document.getElementById('pdf'),function() {
        pdf.output('save','documento.pdf');
    });
}

result: