PRINTING STOP CONTROL SYSTEM FOR PRINTING SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a control system at printing stop such that correct alignment is performed from a 1st page in next printing operation even when printing is stopped in a state where the printing positions on front and back surfaces are deviated in the midst of controlling the alignment in printing.

SOLUTION: In the printing system having a 1st printing device forming an image on the 1st surface of a web having no feed hole and a 2nd printing device provided at the poststage of the 1st printing device and forming the image on the 2nd surface of the web, a web stop position-deciding timing decided according to web carrying speed at printing stop of the 2nd printing device is calculated by setting timing to detect a toner mark corresponding to the 1st page at the next printing time as reference.

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