Patent ID: 8851472

Claim:
A paper sheet handling machine comprising: an imaging unit configured to take an image of a paper sheet and generate a paper sheet image; an identification unit configured to identify a character of each digit position included in a serial number, from a serial number region of the paper sheet image; an output unit configured to output the image of a part corresponding to the serial number region of the paper sheet image, when there is a digit position whose character therein cannot be identified by the identification unit; a display unit configured to display each character identified by the identification unit and the image output from the output unit; an input unit configured to accept input of each character corresponding to the digit position whose character therein cannot be identified by the identification unit; and a memory unit configured to store therein the serial number of the paper sheet together with a flag, the serial number of the paper sheet being generated by combining each character identified by the identification unit with each character input via the input unit, the flag indicating that the serial number includes a digit input by an operator.