A wireless communication module is disclosed. This can be done by periodically heating the defective nozzle at a frequency that is greater than frequencies other nozzles which are not defective are periodically heated, to cause the defective nozzle to only discharge ink droplets that have a smaller volume than ink droplets discharged from the nozzles that are not defective. The cover may contain at least one locking latch with three orientations, the locking latch includes a tab.