POS control system, control method of a POS control system, and printing device

摘要

A POS control system 1 has a POS terminal 8 that transmits print control data; a printer 12 including a print unit 41, a print control unit 29 that controls the print unit 41 based on the print control data, and a print data communication unit 26 that transmits the print control data by a first WebSocket connection CT1; and a print data process unit 51 that executes a process based on the received print control data.

主权项

1. A POS (Point Of Sale) control system comprising:
a POS terminal including a control unit that generates print control data based on a commercial transaction process, and a communication unit that transmits the print control data; a printer including a print unit that prints, a print control unit that controls the print unit based on the print control data, a communication connection unit that connects to the POS terminal and receives the print control data, and a print data communication unit that transmits the print control data by asynchronous duplex communication; and a control device including a reception unit that establishes a communication path with the print data communication unit and receives the print control data sent by the print data communication unit, and a print data process unit that executes a process based on the received print control data; wherein:
the printer has a communication control unit that sends the print control data sent by the POS terminal to the print control unit and to the print data communication unit;the print control unit of the printer sends report data indicating completion-of-printing to the communication control unit after printing by the print unit is complete; andthe communication control unit of the printer sends the print control data to the print data communication unit after receiving the report data.