Patent ID: 6164760
Filing Date: 2000-12-26
Classification: B41J

Abstract:
An electrostatic ink jet recording apparatus comprising:an ink that contains charged toner particles;an ejection electrode for ejecting the toner particles in the ink from an ejection opening portion to a record medium;an opposite electrode disposed opposite to the ejection opening portion through the record medium;an ink tank for supplying said ink to the ejection operating portion through a pipe;toner quantity detecting means for detecting a quantity of toner particles in an ink flow in the pipe;toner quantity determining means for determining whether or not the detected quantity of toner particles is sufficient; andreplenishing means connected to said toner quantity determining means for automatically replenishing the toner particles to the ink flow corresponding to the determined result, said replenishing means having at least one valve and at least one toner replenisher for adding toner to said apparatus.