Write printer connection and model directly to script

generate_label_example.py

@@ -7,7 +7,7 @@ label.put_text('100n 10%% biggggg', 'X7R 50V', 'AVX')
 ff = label.save()
 print('Created Tempfile: ', ff)
 try:
-    printer = ql_wrapper.BrotherQlPrinter()
+    printer = ql_wrapper.BrotherQlPrinter(printer_connection='usb://0x04f9:0x209b', model='QL-800')
     printer.print_image(ff, cut=False)
     printer.print_image(ff, cut=False)
     printer.print_image(ff, cut=True)