Patent ID: 7884841
Filing Date: 2011-02-08
Classification: B41J

Abstract:
1. A line thermal printer including a line thermal head and a platen roller, the line thermal head including a plurality of heating elements that are disposed so as to face the entire area of a recording sheet in a width direction of the recording sheet and selectively generates heat, the platen roller being disposed so that the recording sheet is interposed between the platen roller and the line thermal head, and printing being performed at the interposed position on the recording sheet by the selective generation of heat of the heating elements of the line thermal head while the recording sheet is moved, the line thermal printer comprising: a foreign material blocking member that is disposed upstream of the interposed position so as to come in contact with an upper surface of the recording sheet, and prevents foreign materials, which are placed on the upper surface of the recording sheet, from being moved toward the interposed position, wherein the foreign material blocking member is provided at a base of a thermal head mounting part and wherein the foreign material blocking member is grounded and has an electricity removing function.