Patent ID: 8602522

Claim:
A waste liquid container which is detachably mounted on a waste liquid container mounting portion including a device side connection terminal and a biasing member for positioning, comprising: a waste liquid storing chamber which stores waste liquid; a first wall portion and a second wall portion which are disposed so as to face each other with the waste liquid storing chamber interposed therebetween; a container side connection terminal which is provided on an outer surface of the second wall portion and contacts the device side connection terminal at the time of being mounted on the waste liquid container mounting portion; and a biasing force receiving portion which is provided on the first wall portion so as to receive a biasing force of the biasing member for positioning which is applied from the first wall portion side toward the second wall portion side, wherein the biasing force receiving portion is a positioning protrusion which protrudes in a horizontal direction from an outer surface of the first wall portion.