Thermal printer

A thermal printer, comprising:

• a casing including:
• a cover;
• a bottom unit including:
• a roll sheet receiving portion that allows a roll sheet, which is obtained by winding a recording sheet, to be loaded into the roll sheet receiving portion;
• and
• a delivery slot through which a portion of the recording sheet drawn from the roll sheet is delivered to an outside of the thermal printer;
• a printing unit including:
• a thermal head provided in a space of the casing between the roll sheet receiving portion and the delivery slot, and configured to perform printing on the recording sheet;
• and
• a platen roller configured to convey the recording sheet toward the delivery slot while sandwiching the recording sheet between the thermal head and the platen roller;
• wherein the bottom unit further includes:
• a flap provided on a portion of the bottom unit between the printing unit and the roll sheet receiving portion so as to be pivotable about a first axis, and configured to press the roll sheet in a direction of separating away from the delivery slot through abutment against an outer peripheral surface of the roll sheet;
• and
• an urging member configured to urge the flap about the first axis in the direction of separating away from the delivery slot.