HTML PDF blank

Hi,
I have a html view based on form that I open in pdf with onpen url command "on success" of this form.
At the moment when I send the data really the system open the pdf with the correct name but the pdf it's blank.
It's a wrong html tag or script?
Thanks

Mic

Application: Consulado-geral-do-brasil
Html: Imprimir Relatorio Form: Relatorio Consulado Itinerante