Patent ID: 7997701

Claim:
A printer comprising: a refill unit provided on the printer configured to record an image on a recording medium using a plurality of colors of ink; and a plurality of ink tanks demountably mounted to the refill unit, wherein ink is supplied from the ink tanks to a recording head, wherein at least one of the ink tanks includes: an ink storage chamber configured to store ink; a cleaning solvent storage chamber configured to store cleaning solvent, the cleaning solvent storage chamber and the ink storage chamber being separated by a partitioning wall; an ink deriving portion corresponding to the ink storage chamber configured to provide ink from the ink storage chamber to an ink deriving port; and a cleaning solvent deriving portion corresponding to the cleaning solvent storage chamber configured to provide the cleaning solvent from the cleaning solvent storage chamber to a cleaning solvent deriving port, and wherein the refill unit includes: a holding unit configured to demountably hold each of the plurality of the ink tanks in a first orientation and a second orientation, and an introducing members provided for each of the respective ink tanks, wherein each of the introducing members is configured to connect with the ink deriving portion of the respective ink tank to convey the ink out of the ink storage chamber of the respective ink tank when the respective ink tank is positioned in the first orientation, and wherein each of the introducing members is configured to connect with the cleaning solvent deriving portion of the respective ink tank to convey the cleaning solvent out of the cleaning solvent storage chamber of the respective ink tank when the respective ink tank is positioned in the second orientation.