INFORMATION PROCESSOR AND SLIP OUTPUT METHOD

PROBLEM TO BE SOLVED: To suppress wrong input.SOLUTION: An information processor according to an embodiment includes customer identification information reception means, order reception means, point calculation means, customer identification code generation means, point code generation means, and printing means. The customer identification information reception means receives input of customer identification information from a terminal connected via a network. The order reception means receives an order of commodity purchase from the terminal. The point calculation means calculates the number of points corresponding to a purchase amount of the order received by the order reception means. The customer identification code generation means generates a customer identification code indicating the customer identification information. The point code generation means generates a point code indicating the number of points. When printing plural slips according to the commodity purchase received by the order reception means, the printing means prints the customer identification code and the point code in a field included in a predetermined area only on the first slip.