Patent ID: 6179418
Filing Date: 2001-01-30
Classification: B41J

Abstract:
An electrostatic ink jet recording apparatus comprising:an ink containing charged toner particles;an ink chamber storing the ink and having an ejection opening portion at an edge portion thereof;an ejection electrode for ejecting the toner particles from the ejection opening portion;an opposite electrode disposed opposite to the ejection opening portion through a record medium;surface condition detecting means for directly detecting the surface condition of the record medium;surface condition determining means for determining the detected surface condition of the record medium;heat amount controlling means for variably increasing or decreasing the amount of heat radiated by a heater having a plurality of heating elements to the front surface of the record medium corresponding to the determined result; anda heater driving portion controlled by said heat amount controlling means for supplying heat the amount of heat to said record medium so as to vary a heater temperature corresponding to the surface condition of said record medium and driving said heater.