Add Print Quality Option

Required for QL-720NW

Author: David Robinson

README.md

@@ -43,13 +43,17 @@ Make sure to end with the print page command, signifying the end of a label.
     printjob.print_page(<cut_setting>)
 
 ### Template Printing
-Create your template and upload it to the printer. After creating a BrotherLabel object, call template_mode() to set the printer to template mode, and then use the template commands to fill in your label.
+Create your template and upload it to the printer. After creating a BrotherLabel object, call template_mode() to set the printer to template mode, and then use the template commands to fill in your label. Be sure to download the P-Touch Template Tools from support.brother.com under utilities of your label printer. It has a wealth of information.
 
     printjob.template_mode()
     printjob.template_init()
     printjob.choose_template(<template_number>)
     printjob.select_and_insert(<field_name>, <data>)
     printjob.select_and_insert(<field_name2>, <data2>)
     printjob.select_and_insert(<field_name3>, <data3>)
+    # For QL-720NW with barcodes on label, turn on:
+    # printjob.select_priority_print_option('on')
     printjob.template_print()
 
+ 
+

brotherprint/brotherprint.py

@@ -1047,4 +1047,22 @@ def select_and_insert(self, name, data):
         self.select_obj(name)
         self.insert_into_obj(data)
 
-    
+    def select_priority_print_option(self, action):
+        ''' Default is 0 - Priority to print speed. Set to 1 for priority to print quality.
+            Required for QL-720NW and barcodes.
+        Args:
+            action: on or off.
+        Returns:
+            None
+        Raises:
+            RuntimeError( on or off not selected)
+        '''
+        if action == 'on':
+            action = '1'
+        elif action == 'off':
+            action = '0'
+        else:
+            raise RuntimeError('Invalid action for function select_priority_print_option')
+        self.send('^QS'+action)
+
+