Patent ID: 9688072
Date: 2017-06-27
CPC Classifications: B41J

Claim:
1. A head cleaning device comprising: a cleaning tank for immersing a recording head in a cleaning solution and cleaning the recording head; a liquid level height adjusting apparatus, that adjusts a liquid level height of the cleaning solution in the cleaning tank, wherein the liquid level height adjusting apparatus comprises: a cleaning solution tank for storing the cleaning solution, wherein the airtight cleaning solution tank is located directly above the supply chamber in a variation direction of the liquid level height; and a communication passage for communicating the cleaning solution tank and the supply chamber, wherein the communication passage opens in the supply chamber at a position that is higher than a bottom surface of the supply chamber such that when the liquid level height of the cleaning solution in the supply chamber is at a position lower than an opening of the communication passage in the supply chamber, air moves to the cleaning solution tank through the communication passage to drive the cleaning solution from the cleaning solution tank into the supply chamber.