The present invention relates to an input system using a check into the check category classification stamp group and this, the check stamp classification groups, receives a user's operation, and checks the classification and outputs a control signal to the printing or stamping; Check classification / or stamping the display unit to display a printing-related information; Classification and stamping or hopper portion which is housed a number of checks to be printed; Supyoyi sent to transport the check stored in the hopper portion stacker part; Magnetic character reader for reading magnetic characters on the check factor is transported through the supyoyi sent; A stamp unit or a printer unit for printing or stamping the characters or symbols on the check being transported along the bank code, read by the magnetic character reader; Check classifying unit for classifying the code reading according to the bank check stamping or printing by the stamp unit; Stacker unit for storing the classified check by said check classification section; And the input unit, the display unit, the hopper portion, the supyoyi sent, the magnetic character reader, the stamp portion, the check classification section and controlling the stacker to check the classification and stamping, or in response to a control signal output from the input section a check stamping classification group characterized in that a control unit for performing the printing. According to the invention, divided by the volume sought the Cabinet's checks, classified as Ta Kwon, illegible check and classify the characters / symbols on the classification check while stamping or printing checks can be accommodated using an Checks classification stamp and it has the advantage of being able to automate the processing of computerized information on the classification / stamping or printing on checks automatically detect / store housed in check. Check, check, sorting, stamping, printing, stamping, committed Issues, Issues Bogota, ATM