error_reporting(0);
if($handle = printer_open('Canon G3010 series')){
    printer_set_option($handle, PRINTER_MODE, 'RAW');
    printer_start_doc($handle);
    printer_start_page($handle);
    $n=1;

     $line1 = ('中华人民共和国');


    $font = printer_create_font('Arial', 90, 50, 100, false, false, false, 0);
    printer_select_font($handle, $font);
    $n++;$n++;$n++;
    $n++;$n++;$n++;
    printer_draw_text($handle, $line1, 10, 60);

    $font = printer_create_font('Arial', 90, 50, 100, false, false, false, 0);
    printer_select_font($handle, $font);
    printer_draw_text($handle, $line2, 10, 10);
    printer_draw_text($handle, $line3, 10, 10);
    printer_draw_text($handle, $line4, 10, 10);

    printer_delete_font($font);
    printer_end_page($handle);
    printer_end_doc($handle);
    printer_close($handle);
    echo 'Impresion exitosa.';
}else{
    echo 'No se pudo conectar a la impresora.';
}