Sheet gripping mechanism and printer

A printer comprising:

• a sheet conveyer;
• a print head configured to perform printing on a sheet conveyed by the sheet conveyer;
• a sheet cutter provided downstream with respect to the print head in a sheet conveyance direction;
• a sheet discharge port;
• a sheet gripping mechanism provided between the sheet cutter and the sheet discharge port in the sheet conveyance direction;
• and
• a controller configured to control the sheet conveyer to convey the sheet to a predetermined position through the sheet gripping mechanism such that a leading end of the sheet in the sheet conveyance direction is out of the sheet discharge port, and control the sheet cutter to cut off a part of the sheet that has been conveyed to the predetermined position, wherein
• the sheet gripping mechanism is configured to hold the cut-off part of the sheet in a state in which a leading end of the cut-off part is out of the sheet discharge port,
• the sheet gripping mechanism includes a first sheet guide surface and a second sheet guide surface that face each other across a sheet conveyance path,
• the first sheet guide surface has a plurality of first protrusions arranged along the sheet conveyance direction and includes two second protrusions that are provided at a leading end of the sheet gripping mechanism and have a height higher than a height of the first protrusions,
• the second sheet guide surface has a plurality of third protrusions arranged along the sheet conveyance direction,
• the two second protrusions extend beyond the second sheet guide surface, and
• the two second protrusions are fixed to be apart from the second sheet guide surface, enabling the conveyance of the sheet between the two second protrusions and the second sheet guide surface.