Liquid discharge apparatus

A liquid discharge apparatus, comprising:

• a liquid discharge head including:
• nozzles;
• a first communication port which communicates with the nozzles;
• and
• a second communication port which communicates with the nozzles;
• a first channel having two ends, one of the two ends communicating with the first communication port;
• a pump communicating with the other of the two ends of the first channel;
• a second channel having two ends, one of the two ends communicating with the pump;
• a first switching valve communicating with the other of the two ends of the second channel;
• a third channel having two ends, one of the two ends communicating with the first switching valve;
• a storage section configured to store a liquid, and communicating with the other of the two ends of the third channel;
• a fourth channel having two ends, one of the two ends communicating with the storage section;
• a second switching valve communicating with the other of the two ends of the fourth channel;
• a fifth channel having two ends, one of the two ends communicating with the second switching valve and the other of the two ends communicating with the second communication port;
• and
• a sixth channel having two ends, one of the two ends communicating with the first switching valve and the other of the two ends communicating with the second switching valve,
• wherein the first switching valve is switchable to a first state of connecting the second channel and the third channel, and a second state of connecting the second channel and the sixth channel;
• and
• the second switching valve is switchable to a third state of connecting the fifth channel and the fourth channel, a fourth state of connecting the fifth channel and the sixth channel.