To set a sequence of executions of respective unprocessed printing jobs to an optimum based on information included in the jobs.

A stencil printer operates the steps of calculating which of times exceeding a print ending time designated by a user is more (step S39) of a registered print job ip already preferred to a print jib queue matrix and a print job ic registered to a tail end of this time newly print job queue matrix, and when the print job ic is more (Y of step S40), the job ic is re-registered before the print job ip during the print job queue (step S41).