| 摘要 |
In order to prevent occurrence of an unintentional non-heated part at a trailing end portion in a transporting direction of a heat sensitive adhesive sheet, in accordance with a matrix-like heating pattern of M0 columnsxN0 rows, a thermal head and transporting means are driven, and a plurality of heating elements of the thermal head are selectively operated in synchronization with timing of transporting a heat sensitive adhesive sheet (2) by the transporting means. Thus, when at least a part of the heat sensitive adhesive sheet (2) is heated to develop adhesive properties, if heating based on a last row (N0th row) in the heating pattern is completed before a trailing end portion (2b) in the transporting direction of the heat sensitive adhesive sheet (2) reaches a position contacting with the heating element of the thermal head, the heat sensitive adhesive sheet (2) is transported until the trailing end portion (2b) passes through the position contacting with the heating element of the thermal head. Then, the heating based on the last row (N0th row) in the heating pattern is repeated.
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