[FIX] measure factor

static/src/js/main.js

@@ -649,7 +649,7 @@ openerp.printer_bridge = function (instance, local) {
             var ticket_el = document.querySelector('.eiru_pos_ticket');
             
             var ticket_width = 70;
-            var measure_factor = 3.779;
+            var measure_factor = 3.7793;
             var dpi_factor = 3.125;
 
             instance.html2canvas(ticket_el, {