Patent ID: 7369146
Filing Date: 2008-05-06
Classification: B41J

Abstract:
1. A thermal printer comprising: a thermal head; a platen roller, which the thermal head is attachable to and detachable from (head up/down); head supporting members, which support the thermal head to head up/down with respect to the platen roller; and a guide member capable of pressure-contacting a recording paper conveyed between the thermal head and the platen roller to the platen roller, wherein the thermal head can head up/down when the head supporting members turn, and the guide member is separated from the head supporting members, such that the guide member ascends and descends with respect to the platen roller urged by a driving source capable of rotating the head supporting members; a first driving member capable of heading the thermal head head up/down is connected with the driving source, and the head supporting members are rotatable when the first driving member presses a structure on which the thermal head is mounted.