Settlement system, settlement method, and cash settlement device

A settlement method using a cash settlement device and a register, the settlement method comprising:

• calculating a sum amount of money of a purchased product and transmitting the sum amount of money to the cash settlement device using the register;
• calculating an amount of inserted money by recognizing and counting the inserted money using the cash settlement device;
• receiving a manual input of information corresponding to at least a part of money deposited from a customer and transmitting the manually input information to the cash settlement device using the register;
• and
• calculating a total amount of the money deposited from the customer using the amount of the inserted money and the manually input information received from the register, calculating an amount of change based on the total amount of money and the sum amount of money received from the register, and dispensing change money using the cash settlement device.

A cash settlement device that performs a deposit process and a dispensing process of money, the cash settlement device comprising:

• a reception unit configured to receive a sum amount of money of a purchased product and manually input information from a register that calculates the sum amount of money of the purchased product and receives a manual input of the manually input information corresponding to at least a part of money deposited from a customer;
• a calculation unit configured to calculate an amount of inserted money by recognizing and counting the inserted money, calculate a total amount of the money deposited from the customer by using the amount of the inserted money and the manually input information received from the register, and calculate an amount of change based on the total amount of money and the sum amount of money received from the register;
• and
• a dispensing unit configured to dispense change money based on the amount of change.