Patent ID: 8339651

Claim:
A printer comprising: a connection device that connects to an external device; a printing device that prints a character on a print medium; an input device operated by a user to manually input the character and an instruction; a first data acquisition device that acquires first data created in the external device via the connection device; a print history storage device that stores print history information of the first data and a second data used for printing by the printing device among the first data acquired by the first data acquisition device and the second data created based on the character and the instruction inputted by the input device; a print control device that causes the printing device to perform printing based on the print history information stored in the print history storage device; and a display device that displays the print history information stored in the print history storage device, wherein: the print history information includes identification information and text information, the identification information indicating which one of the external device and the printer has created the first data or the second data, and the text information indicating a character that has been printed; and the display device displays as the print history information at least the identification information and the text information.