The card preparing apparatus records magnetic data or printed data on may cards. It erases the cards and records predetermined data on predetermined areas of the cards so that there will not develop erroneous recording . The cards in case erroneous recording developed are rejected all automatically. The card preparing apparatus has a feeder that takes out a predetermined number of accommodated cards every time. A magnetic data recorder records magnetic data on cards. A A device erases the surfaces of cards. A printer prints data on the surfaces of cards. A stacker accommodates cards on which data are recorded. Card carrier devices are disposed in the apparatus, and a controller for controls them. @(95pp Dwg.No.1/34)@.
