Patent ID: 8368933

Claim:
An image forming device, comprising: an image formation unit configured to form an image on a recording medium in accordance with a print command transmitted from an external device; a print history writing unit configured to record print history concerning image formation by the image formation unit in a server connected to the image forming device via a network each time the image formation unit finishes the image formation corresponding to one page of the recording medium, and to make a judgment on whether the print history has been successfully recorded in the server; and a writing information transmission unit configured to transmit, to the external device, writing information including information indicating whether the print history writing unit has successfully recorded the print history in the server, based on a result of the judgment by the print history writing unit, wherein when the print history writing unit has not successfully recorded the print history in the server, the image formation unit is configured to stop the image formation based on the print command; and when the image formation unit stops the image formation, the writing information transmission unit transmits, to the external device, the writing information including information indicating a number of pages of the recording medium for which the print history has successfully recorded in the server based on the print command.