Liquid ejection apparatus

A liquid ejection apparatus, comprising:

• a liquid ejection unit including a plurality of nozzles and a corresponding plurality of actuators;
• a drive waveform generation circuit configured to generate a plurality of drive waveforms having different drive timings;
• a plurality of pressure chambers, each pressure chamber being connected to a respective nozzle of the plurality of nozzles;
• and
• an actuator drive circuit configured to apply a first drive waveform to a first actuator in a liquid ejection operation and a second drive waveform to a second actuator in the liquid ejection operation, wherein
• the first and second actuators are to be driven at a same nominal time during the liquid ejection operation,
• the first and second driving waveforms have different drive timings, and
• the actuator drive circuit is configured to select the second drive waveform by reference to the first drive waveform applied to the first actuator.

A method for ejecting liquid from a liquid ejection head, comprising:

• selecting a first actuator and a second actuator from among a plurality of actuators of a liquid ejection head which are to be driven at the same nominal time;
• applying first drive waveform to the first actuator;
• and
• applying a second drive waveform to the second actuator, wherein
• the first driving waveform is different from the second driving waveform, and
• the first actuator is at a position electrically closer along a predetermined direction to a power supply electrode than is the second actuator.