Patent ID: 7423663

Claim:
A printer apparatus comprising: a thermal head which has a plurality of heat generating elements; an ink sheet to which ink is applied; a platen roller which is rotatably supported and provided opposite the heat generating elements of the thermal head; a first roller which is provided in parallel with the platen roller; and an endless belt which conveys a recording sheet, the endless belt being extended with a tension so as to involve the platen roller and the first roller, wherein a first surface of the recording sheet contacts a surface of the endless belt and a second surface of the recording sheet opposite to the first surface contacts the ink sheet, and the ink sheet, the endless belt, and the recording sheet are sandwiched by the thermal head and the platen roller, printing is performed by heating the ink in the ink sheet with the heat generating elements of the thermal head to transfer the ink to the recording sheet, the endless belt is driven by the first roller driven by driving means to convey the recording sheet, and the recording sheet is conveyed by a friction force between the first surface of the recording sheet and the surface of the endless belt.