Patent ID: 8272798

Claim:
A printer which prints on a roll paper transported toward a discharge port and cuts the roll paper, the discharge port provided at a side surface of the printer so that a vertical direction thereof corresponds to a thickness direction of the roll paper, the printer comprising: a brush provided on a periphery of an upper edge of the discharge port and projecting into the discharge port; a first lower cover and a second lower cover; and the first lower cover and second lower cover selectively and exchangeably attached to the printer to define a lower edge of the discharge port, wherein the first lower cover is in contact with the brush when the first lower cover is selectively attached to the printer, and the second lower cover is away from the brush when the second lower cover is selectively attached to the printer, and wherein a change of length in the vertical direction of the discharge port is allowed by selectively exchanging the the first lower cover and the second lower cover.