| 摘要 |
PURPOSE:To prevent the thermal deterioration of ink not used in recording by heating and melting a plurality of color inks having different melting points and solid at the normal temp. to emit them from the emitting orifices provided to a recording head as liquid droplets. CONSTITUTION:Orifices 1a-1d for four colors of yellow, magenta, cyan and black are integrally provided to the recording head 1 mounted on a carriage 2 and emitting inks by the action of heat energy and the tank 3 of the respective solid color inks and a solid ink heater are provided to the recording head 1. The molten ink in the tank 3 is supplied to the liquid chamber of the recording head 1 by a supply pipe. At this time, at least two kinds of inks having mutually different melting points and solid at the normal temp. are used and ink heating temp. is set to the intermediate value between the different melting points. By this constitution, ink not used in recording is held to a solid state and the thermal deterioration thereof is prevented. |
