To provide an image printing system for increasing the efficiency of a printing operation by predicting the validity/invalidity of the performance of a late-coming print job from the print conditions of a preceding print job.

A personal computer is provided with an acquisition means for acquiring print conditions and resource information from an image printing device. Then, this personal computer is provided with a prediction means for predicting the performance possibility of a late-coming print job based on the print conditions of the preceding print job and the resource information. Thus, it is possible to preliminarily recognize the performance possibility of printing even in the case of the late-coming print job. Furthermore, this personal computer is provided with a notification means for notifying a user of the performance possibility. Thus, it is possible to align the print conditions of the late-coming print job during the performance of the preceding print job.

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