Remaining cleaning liquid level low. Immediately stock up on cleaning liquid. Leaving the printer in a state in which it does not have any cleaning liquid will lead to head damage.

This message appears when the amount of cleaning liquid remaining is low and is close to zero.

Replace the cleaning liquid pouch. Leaving the printer in a state in which it does not have any cleaning liquid for a long time will lead to head damage. If you do not have a replacement cleaning liquid pouch, order one. Then, carry out the replacement as soon as the cleaning liquid pouch arrives.