Patent ID: 9527301
Filing Date: 2016-12-27
CPC Classification: B41J

Claim Text:
1. A liquid ejecting apparatus, comprising: a liquid ejecting unit that ejects liquid from a nozzle; a supply passage through which the liquid is supplied from a liquid supply source to the nozzle of the liquid ejecting unit; a filter housing portion that constitutes a part of the supply passage, the filter housing portion including a first filter configured to trap a foreign object and a space portion located closer to the liquid supply source than the first filter in the supply passage; a connection passage forming a circulation passage in cooperation with the supply passage, the connection passage connecting the space portion and a connection portion of the supply passage closer to the liquid supply source than the space portion so that the circulation passage includes the space portion; a flow pump configured to cause the liquid to flow through the circulation passage when driven; a foreign object separation unit configured to cause the foreign object to come off from the first filter in cooperation with the flow pump; and a second filter that is detachably provided on the circulation passage, the second filter being located so that the liquid inside the circulation passage passes through the second filter, wherein the circulation passage is a closed loop passage that includes the filter housing portion, the second filter, and the flow pump.