A method, and apparatus for performing the method, are intended to prevent all of the ink discharged from a defective one of multiple nozzles in a continuous inkjet printhead from being used for printing on a print medium. This can be done by periodically heating the defective nozzle at a frequency that...http://www.google.es/patents/US7004571?utm_source=gb-gplus-sharePatente US7004571 - Preventing defective nozzle ink discharge in continuous inkjet printhead from being used for printing
Preventing defective nozzle ink discharge in continuous inkjet printhead ...