Patent ID: 8049904

Claim:
A printing system connected to a host computer including a printer driver, comprising: a portable storage apparatus to store at least one file including a print-target-file; and a printer, to which the portable storage apparatus and the computer are individually connected and including a control section, wherein the printer: generates at least one predetermined keystroke to be recognized as a command at the host computer, by the control section, and outputs the at least one keystroke to the computer upon input of a selection command to select the print-target-file from among the at least one file, determines, by the control section, whether the selected print-target-file is a recognizable file by the printer, the recognizable file being a file converted into data able to be currently printed by the printer, and transmits the selected print-target-file to the host computer by a first keystroke recognized as a first command at the host computer and processed into a printable file by the printer driver at the host computer by a second keystroke recognized as a second command at the host computer, when the selected print-target-file is determined to not be a recognizable file by the printer, and prints the print-target-file after the print-target-file is processed into a printable file at the host computer.