| 摘要 |
PROBLEM TO BE SOLVED: To provide a printing system for minimizing a range affected by illegal data, and for canceling the data when an error is generated or paper ejection is started during the reception or processing of the data to be printed. SOLUTION: Whether or not data from a host machine 3 are image data is judged (S21), and in the case of NO, the processing is ended. When the data from the host machine 3 are image data, whether or not the number of pieces of data is present is judged (S22), and in the case of YES, the processing is ended, and in the case of NO, data cancel is executed (S23). Then, whether or not the end of a page is obtained is judged, and when the end of the page is obtained (S24; Y), whether or not the end of a file is obtained is judged (S25). When the end of the file is not obtained (S25; N), the processing is returned to the S21, and repeated until the end of the file is obtained, and when the end of the file is obtained (S25; Y), the processing is ended.
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