Patent ID: 6336760
Filing Date: 2002-01-08
Classification: B41J

Abstract:
A thermal printer comprising:a main body; a thermal head attached to the main body; a platen which forms a unit with the thermal head; bearings provided to each end of the platen; a sheet roll for holding a recording sheet; a sheet guide member for guiding a recording sheet between the platen and the thermal head, the sheet guide member having flanges on each side thereof; and a sheet passage for transporting a recording sheet, with the platen being moved and separated from the thermal head, the bearings being attached to the flanges of the sheet guide member, and the platen being disposed between the flanges, thereby forming a platen module, the main body having bearing portions each provided with an opening, the platen module being attached to the main body, with the bearings being engaged with the bearing portions of the main body, and the sheet guide member being lifted to rotate the bearings in the bearing portions and to pull out the bearings from the bearing portions through the openings.