A printing system comprising: a printing apparatus configured to print on a print medium based on print data; a terminal apparatus configured to communicate with the printing apparatus; and a memory card configured to be coupled to the printing apparatus and configured to record information by employing a write once read many (WORM) method, wherein the terminal apparatus includes a terminal communication section that is configured to communicate with the printing apparatus, the terminal apparatus is configured to send, via the terminal communication section, transaction information regarding a transaction and a control command for ordering accessing the memory card, the printing apparatus includes a printing apparatus communication section that is configured to communicate with the terminal apparatus and a connection section configured to be coupled to the memory card, the printing apparatus is configured to output the transaction information to the memory card via the connection section in accordance with the control command received via the printing apparatus communication section, the memory card is configured to generate, in accordance with the transaction information, identification information for identifying the transaction information, the memory card is configured to record the identification information and the transaction information, the memory card is configured to output the identification information to the printing apparatus via the connection section, the printing apparatus is configured to send the identification information to the terminal apparatus via the printing apparatus communication section, the terminal apparatus is configured to generate print data based on the identification information received from the printing apparatus, and the terminal apparatus is configured to send the generated print data to the printing apparatus via the terminal communication section. a printing apparatus configured to print on a print medium based on print data; a terminal apparatus configured to communicate with the printing apparatus; and a memory card configured to be coupled to the printing apparatus and configured to record information by employing a write once read many (WORM) method, wherein the terminal apparatus includes a terminal communication section that is configured to communicate with the printing apparatus, the terminal apparatus is configured to send, via the terminal communication section, transaction information regarding a transaction and a control command for ordering accessing the memory card, the printing apparatus includes a printing apparatus communication section that is configured to communicate with the terminal apparatus and a connection section configured to be coupled to the memory card, the printing apparatus is configured to output the transaction information to the memory card via the connection section in accordance with the control command received via the printing apparatus communication section, the memory card is configured to generate, in accordance with the transaction information, identification information for identifying the transaction information, the memory card is configured to record the identification information and the transaction information, the memory card is configured to output the identification information to the printing apparatus via the connection section, the printing apparatus is configured to send the identification information to the terminal apparatus via the printing apparatus communication section, the terminal apparatus is configured to generate print data based on the identification information received from the printing apparatus, and the terminal apparatus is configured to send the generated print data to the printing apparatus via the terminal communication section.