To correctly perform processing related to a card without damaging the card.

There is provided a card processor configured to perform such processing as printing, deletion of print content, information writing or information reading to a card. The first card processor is provided with: a card processing head for performing the processing to the card; a holding roller for holding the card between itself and the card processing head; and a pair of pressurizing rollers for holding and pressurizing the card between itself and the holding roller at both sides of the card processing head. The second card processor is provided with: a traveling route on which the card is conveyed; a card processing head for performing processing to the card on the traveling route; and a pair of guides arranged at both sides of the card processing head on the traveling route for determining a positional relation between the card and the card processing head.