Patent ID: 7914216

Claim:
A printer comprising: a first roller and a second roller, operable to transport plural printing mediums in a transport direction to a printing area at which a printing operation is performed to each of the printing mediums, wherein the printing mediums include a first medium and a second medium immediately subsequent to the first medium, and the second roller is arranged at a downstream side of the first roller in the transport direction; a third roller, adapted to come in contact with the first roller at a contact point to transport the printing medium together with the first roller, and adapted to be separated from the first roller not to transport the printing medium; and a controller which, when receiving from a user an instruction for interrupting the printing operation is performed while the printing operation to the first medium, is operable to: separate the third roller from the first roller, discharge the first medium, and if a trailing end edge of the second medium is located between the first roller and a predetermined point arranged at a downstream side of the contact point in the transport direction, restore the second medium to the tray, and if the trailing end edge of the second medium is located between the predetermined point and the second roller, discharge the second medium.