| 摘要 |
PROBLEM TO BE SOLVED: To specify a cause that double issuing occurs when it occurs. SOLUTION: The ticket issuing machine is provided with a printing means printing print information, a magnetic information writing means writing magnetic information, an error detection processing means detecting the occurrence of an error, a log recording means and an error information recording processing means reading error log, and magnetic writing state information showing the write result of magnetic information or printing state information showing the printing result of print information and recording error log, and magnetic writing state information or printing state information onto the log recording means. When the error occurs during a ticket issuing operation, magnetic writing state information and printing state information in a medium when the error occurs are recorded in the log recording means in addition to the error log.
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