| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to substitute any printing device for other printing devices by increasing the number of printing devices without greatly changing the configuration of control side-devices.SOLUTION: A first printer 60 comprises: a connection unit that receives printing data from a POS terminal device 10 and outputs the printing data to and receives the printing result of the output printing data from a second printer 20; and a first printer printing unit 71 for printing the input printing data or data based on the input printing data. When the printing result of the printing data input to the connection unit is an error, the printing data is printed by the first printer printing unit 71, and a notice of the printing result of the first printer printing unit 71 is output by the connection unit. |
