According to one embodiment, a booklet processing unit is disclosed. It includes a conveyance means for conveying a booklet containing an IC chip along a conveyance way; a printing means for printing a first particular information in the booklet; a recording means for recording a second particular information on the IC chip; a distinguishing means for distinguishing the quality of the printing state of the booklet and a recording state of the IC chip; and a marking means which moves a marking component and marks the booklet when the booklet is identified as being in a poor state by the distinguishing means such that the IC chip is avoided by the marking.