PROBLEM TO BE SOLVED: To improve safety of a control device.SOLUTION: When a cross direction is defined as a direction parallel to a surface of a bottom plate with respect to a housing, first and third side walls are approximately parallel to the cross direction, a pump is installed on the third side wall, and a control device is installed in the vicinity of an end portion at a rear side of the first side wall. The control device comprises: a power supply connector for receiving power feeding from AC power supply a first circuit converting electrical power supplied via the power supply connector into a DC a power supply switch being installed in the vicinity of an end portion at a front side of the first side wall and switching whether or not the power feeding to the first circuit via the power supply connector is executed a second circuit receiving supply of the electrical power converted into the DC and generating a driving signal and an output terminal being installed in the vicinity of an end portion at a front side of the third side wall and transmitting the driving signal generated by the second circuit to a liquid injection section.SELECTED DRAWING: Figure 4COPYRIGHT: (C)2018,JPO&INPIT【課題】制御装置の安全性の向上。【解決手段】筐体に対して、底板の面と平行な方向として前後方向を定義した場合に、第1及び第3側壁は前後方向とほぼ平行であり、ポンプは、第3側壁に設置され、制御装置は、第1側壁の後ろ側の端部付近に設置され、交流電源からの給電を受けるための電源コネクターと、電源コネクターを介して供給された電力を、直流に変換する第1回路と、第1側壁の前側の端部付近に設置され、電源コネクターを介した第1回路への給電を実施するかしないかを切り替えるための電源スイッチと、直流に変換された電力の供給を受け、駆動信号を生成する第2回路と、第3側壁の前側の端部付近に設置され、第2回路によって生成された駆動信号を、液体噴射部に送信するための出力端子と、を備える。【選択図】図4
