| 摘要 |
PROBLEM TO BE SOLVED: To provide a double-side printing device for printing without meandering a web which stops on a preliminarily heated plate of a first printing device and is greatly shrunk in the width direction on a second printing device and of accurately printing images from the start of printing. SOLUTION: The double-side printing device, which prints images on both faces of the web by the first printing device forming an image on a first face and the second printing device provided at a rear step of the first printing device to form an image on a second face of the web, includes a sensor for detecting width of the web on the upstream of a sensor for detecting meandering of the web on a web conveyance path of the second printing device and carries out web meandering correction based on the detected information from the web width detection sensor and the web meandering detection sensor. COPYRIGHT: (C)2010,JPO&INPIT
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