Tape cassette and tape printer

A tape printer, comprising:

• a tape cassette that includes:
• a box-like housing that includes a top wall having a top surface, a bottom wall having a bottom surface and opposing the top wall, and a side wall having a specified height and being formed along peripheries of the top wall and the bottom wall;
• a tape that is mounted within the housing;
• a first indicator portion that is provided in the side wall of the housing and indicates a first element among a plurality of elements of a tape type of the tape;
• and
• a second indicator portion that is provided in the bottom wall of the housing and indicates a second element among the plurality of elements of the tape type, the second element being different from the first element,
• a cassette housing portion in which the tape cassette is detachably installed;
• a feeding device that feeds the tape along a predetermined feed path from the housing of the tape cassette installed in the cassette housing portion;
• a printing device that performs printing on the tape fed by the feeding device;
• a first detecting device that opposes the first indicator portion provided in the side wall of the housing of the tape cassette installed in the cassette housing portion and that detects first identification information, the first identification information being information related to the first element indicated by the first indicator portion;
• a second detecting device that opposes the second indicator portion provided in the bottom wall of the housing of the tape cassette installed in the cassette housing portion and that detects second identification information, the second identification information being information related to the second element indicated by the second indicator portion;
• a first identifying device that identifies the first element of the tape mounted in the housing based on the first identification information detected by the first detecting device;
• and
• a second identifying device that identifies the second element of the tape mounted in the housing based on the second identification information detected by the second detecting device.