LIQUID DISCHARGE DEVICE

To provide a liquid discharge device capable of coping with a request from a user who gives priority to printing speed over image quality.SOLUTION: A liquid discharge device comprises: discharge parts for discharging droplets; first wiring for transmitting a setting information signal group including first setting information signals and second setting information signals, and a discharge control signal group including first discharge control signals; second wiring for transmitting drive signals containing drive waveforms; and a selection circuit for switching between supplying or not supplying the drive signals to a first discharge part based on the setting information signal group and the discharge control signal group. The liquid discharge device can operate in a first printing mode of performing printing using a first gradation number according to the setting information signal group, and a second printing mode of performing printing using a second gradation number lower than the first gradation number. In the second printing mode, droplets are discharged from the discharge parts according to the first setting information signals, and the second setting information signals with inverted bit data of the first setting information signals.SELECTED DRAWING: Figure 16 【課題】画質よりも印刷速度を優先するユーザーの要望に対応できる液体吐出装置を提供すること。【解決手段】液滴を吐出する吐出部と、第１設定情報信号と第２設定情報信号とを含む設定情報信号群と、第１吐出制御信号を含む吐出制御信号群と、を伝達する第１配線と、駆動波形を含む駆動信号を伝達する第２配線と、設定情報信号群及び吐出制御信号群に基づいて駆動信号を第１吐出部に供給するか否かを切り替える選択回路とを含み、設定情報信号群に応じて第１階調数で印刷を行う第１印刷モードと、第１階調数よりも低い第２階調数で印刷を行う第２印刷モードとで動作可能な液体吐出装置であって、第２印刷モードでは、第１設定情報信号及び、第１設定情報信号のビットデータが反転した第２設定情報信号に応じて吐出部から液滴を吐出する液体吐出装置。【選択図】図１６