Patent ID: 8672448

Claim:
A wiper unit comprising: a wiper holder which rotatably supports a roller around which a wiping member which wipes liquid attached to a liquid ejecting head which ejects liquid is wound, and moves the wiping member from the liquid ejecting head in a winding direction in which the liquid is wiped in a state in which the wiping member is in contact with the liquid ejecting head; and a driving mechanism which moves the wiper holder in the wiping direction, wherein the driving mechanism includes a driving gear which is rotationally driven according to power which is transmitted from a driving motor, a displacement gear which is displaceable in a circumferential direction of the driving gear in a state of being engaged with the driving gear, and a power transmission gear which is provided for the wiper holder and transmits rotational driving power with respect to the roller, and wherein the displacement gear winds the wiping member around the roller by being engaged with the power transmission gear, and rotates the roller by being released from an engagement with a rack gear unit as an engaged portion which is provided for the wiper holder and extends in the wiping direction after being engaged with the engaged portion , and moves the wiper holder in the wiping direction.