Patent ID: 9610767
Date: 2017-04-04
CPC Classifications: B41J

Claim:
1. A liquid ejecting apparatus comprising: a liquid ejecting unit that has a plurality of nozzles from which a liquid supplied from a liquid supply source through a liquid supply path is ejected as a liquid drop, and that ejects a liquid drop from the nozzle to the medium to perform a recording process; a maintenance unit that performs a maintenance operation of the liquid ejecting unit; and an ejection state detecting unit that is able to detect a state inside a pressure chamber communicating with the nozzle, wherein the ejection state detecting unit detects a state inside the pressure chamber before the maintenance operation and at least one state inside the pressure chamber during the maintenance operation or after the maintenance operation, and is able to determine malfunction of at least one of the maintenance unit and function units arranged in the liquid supply path based on a change in a state inside the pressure chamber due to the maintenance operation.