diff --git a/addons/point_of_sale/static/src/js/printers.js b/addons/point_of_sale/static/src/js/printers.js
index 479de7580af..ae10695cbca 100644
--- a/addons/point_of_sale/static/src/js/printers.js
+++ b/addons/point_of_sale/static/src/js/printers.js
@@ -42,10 +42,10 @@ class PrintResultGenerator {
 }
 
 var PrinterMixin = {
-    init: function() {
+    init: function (pos) {
         this.receipt_queue = [];
         this.printResultGenerator = new PrintResultGenerator();
-        this.htmlToImgLetterRendering = false; // Whether to render each letter seperately. Necessary if letter-spacing is used.
+        this.pos = pos;
     },
 
     /**
@@ -104,7 +104,7 @@ var PrinterMixin = {
                     $('.pos-receipt-print').empty();
                     resolve(self.process_canvas(canvas));
                 },
-                letterRendering: self.htmlToImgLetterRendering,
+                letterRendering: self.pos.htmlToImgLetterRendering(),
             })
         });
         return promise;
@@ -131,9 +131,7 @@ var PrinterMixin = {
 
 var Printer = core.Class.extend(PrinterMixin, {
     init: function (url, pos) {
-        PrinterMixin.init.call(this, arguments);
-        this.pos = pos;
-        this.htmlToImgLetterRendering = pos.htmlToImgLetterRendering();
+        PrinterMixin.init.call(this, pos);
         this.connection = new Session(undefined, url || 'http://localhost:8069', { use_cors: true});
     },
 
diff --git a/addons/pos_epson_printer/static/src/js/printers.js b/addons/pos_epson_printer/static/src/js/printers.js
index 45cfab37d8b..72a855963d3 100644
--- a/addons/pos_epson_printer/static/src/js/printers.js
+++ b/addons/pos_epson_printer/static/src/js/printers.js
@@ -45,8 +45,8 @@ class EpsonPrintResultGenerator extends PrintResultGenerator {
 }
 
 var EpsonPrinter = core.Class.extend(PrinterMixin, {
-    init(ip) {
-        PrinterMixin.init.call(this, arguments);
+    init(ip, pos) {
+        PrinterMixin.init.call(this, pos);
         var url = window.location.protocol + '//' + ip;
         this.address = url + '/cgi-bin/epos/service.cgi?devid=local_printer';
         this.printResultGenerator = new EpsonPrintResultGenerator(url);