PURPOSE: A card cleaning device of a card printer is provided to replace an adhesive tape simply and rapidly by simply pressurizing a roller frame downward and to extend the lifetime of the adhesive tape by separating a cleaning tape cartridge when cleaning of an adhesive roller is not necessary, thereby improving maintainability. CONSTITUTION: A card cleaning device of a card printer comprises an adhesive roller(100) and a cleaning tape cartridge(300). The adhesive roller is arranged on a transfer path of a card(c) in order to clean foreign materials on a card surface. The cleaning tape cartridge includes an adhesive tape(200) removing the foreign material on an exterior surface of the adhesive roller. The cleaning tape cartridge includes a lower tape roller(310), an upper tape roller(320), and a roller frame(330).
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