Patent ID: 7845775

Claim:
A printer, comprising: at least one ink tank including: a plurality of ink chambers; and a plurality of supply ports provided for the respective ink chambers, each of the supply ports communicating an outside with each of the ink chambers; wherein ink stored in the each of the ink chambers is supplied through the each of the supply ports to the outside; and an attachment receiving unit capable of receiving the at least one ink tank; wherein ink is supplied from the at least one ink tank through the attachment receiving unit; wherein the plurality of ink chambers includes a first ink chamber and a second ink chamber; wherein the plurality of supply ports includes a first supply port for the first ink chamber, and a second supply port for the second ink chamber; wherein the attachment receiving unit includes at least one combination provided with: at least one introduction port to which ink is supplied through the first supply port when the at least one ink tank is attached to the attachment receiving unit in either a first state, in which the first and second ink chambers are arranged in the attachment receiving unit along a specified direction, or a second state, in which the first and second ink chambers are arranged in the attachment receiving unit along a direction perpendicular to the specified direction specified direction; and at least one closing portion that closes the second supply port not to supply ink to the printer when the at least one ink tank is attached to the attachment receiving unit in the second state; wherein, in the first state in which the first and second ink chambers are arranged in the attachment receiving unit along the specified direction, the first supply port communicates the first ink chamber with an outside of the first ink chamber via the at least one introduction port of the attachment receiving unit, and the second supply port communicates the second ink chamber with an outside of the second ink chamber at least one other introduction port of the attachment receiving unit; and wherein, in the second state of the ink tank in which the first and second ink chambers are arranged in the attachment receiving unit along the direction perpendicular to the specified direction specified direction, the first supply port communicates the first ink chamber with an outside of the first ink chamber via the at least one introduction port of the attachment receiving unit, and the second supply port is closed by the at least one closing portion of the attachment receiving unit.