Patent ID: 6688730
Filing Date: 2004-02-10
Classification: B41J

Abstract:
A method of preserving a recording head which includes an ink flow path by which the ink is supplied and a discharge port in communication with the ink flow path to discharge the ink supplied into the ink flow path; is connected to an ink tank in the recording apparatus in such a way to be removably attached to or detached from the ink tank, to allow the ink to be discharged from the discharge port; and uses a reactive ink as the recording ink containing a colorant and reactive component reactive with another ink, comprisinga step of examining discharging conditions of the recording head using an ink for examination of a composition free of the reactive component, which is supplied into the ink flow path, and a step of preserving the recording head for preservation by replacing the ink for examination remaining in the ink flow path in the recording head by an ink for preservation containing neither the colorant nor reactive component, after the step of examining discharging conditions is over.