Importance

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Abstract

A stencil printing apparatus allowing double-side printing able to suppress the drop in work efficiency caused by the occurrence of through-jam during a double-side printing operation, which includes: a printing portion having a plate cylinder and pressing means; a paper discharging portion, paper refeeding means for temporarily housing and then refeeding paper sheets on which an image has been formed on one side to the paper discharging portion; and switching means for guiding the paper sheets to either the paper discharging portion or paper refeeding means, and which performs a front-side printing step in which a front-side image is printed on one side of a paper sheet, and a rear-side printing step in which this paper sheet is fed to paper refeeding means, and refed from paper refeeding means to the printing portion, and then a rear-side image is printed on the other side of the paper sheet. The stencil printing apparatus comprises control means for detecting that a printing operation failure has occurred, when a paper sheet, on which a front-side image has been printed, and which should be fed from the printing portion to paper refeeding means is fed to the paper discharging portion instead of being fed to paper refeeding means during double-side printing.

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First Claim