PROBLEM TO BE SOLVED: To appropriately divide print jobs for each image forming device.SOLUTION: A job dividing device comprises: a receiving part 81 for receiving a print job including multiple print sets as units to be processed by each of multiple image forming devices; a determination part 82 for determining whether or not the print job is divisible, on the basis of a planned division position that shows a planned position for dividing the print job and a set separation position for the print set included in the pring job; a calculation part 83 for, when the determination part 82 determines the print job to be non-divisible, calculating a division position by moving the planned division position so that the planned division position corresponds to the set separation position; and a division part 84 for dividing the print job on the basis of the division position calculated by the calculation part 83.
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