code: def page_length(self, length):
          '''Specifies page length. This command is only valid with continuous length labels.
          
          Args:
              length: The length of the page, in dots. Can't exceed 12000.
          Returns:
              None
          Raises:
              RuntimeError: Length must be less than 12000.
          '''
          mH = length/256
          mL = length%256
          if length < 12000:
              self.send(chr(27)+'('+'C'+chr(2)+chr(0)+chr(mL)+chr(mH))
          else:
              raise RuntimeError('Length must be less than 12000.'f page_length(self, length):
          '''Specifies page length. This command is only valid with continuous length labels.
          
          Args:
              length: The length of the page, in dots. Can't exceed 12000.
          Returns:
              None
          Raises:
              RuntimeError: Length must be less than 12000.
          '''
          mH = length/256
          mL = length%256
          if length < 12000:
              self.send(chr(27)+'('+'C'+chr(2)+chr(0)+chr(mL)+chr(mH))
          else:
              raise RuntimeError('Length must be less than 12000.')
docs: Specifies page length. This command is only valid with continuous length labels.
          
          Args:
              length: The length of the page, in dots. Can't exceed 12000.
          Returns:
              None
          Raises:
              RuntimeError: Length must be less than 12000.