Patent ID: 9126405
Filing Date: 2015-09-08
Classification: B41J

Abstract:
1. A liquid ejection apparatus comprising: a plurality of liquid ejection heads each comprising a channel member having a plurality of ejection openings through which liquid is ejected and a plurality of channels configured to be communicated with the plurality of ejection openings, and a heat body configured to be thermally connected to the channel member and configured to generate heat when energy is applied to liquid in the plurality of channels such that the liquid is ejected through the plurality of ejection openings; a plurality of radiators each provided for each of the plurality of liquid ejection heads; a plurality of temperature sensors each provided for each of the plurality of liquid ejection heads and each configured to output a signal indicating a temperature of the channel member of a corresponding one of the plurality of liquid ejection heads; a heat-resistance change device configured to change a heat resistance between one of the plurality of radiators and one of the plurality of liquid ejection heads corresponding to the one of the plurality of radiators; and a controller configured to control the heat-resistance change device based on the signal outputted from at least one of the plurality of temperature sensors.