DOUBLE-SIDED PRINTING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a double-sided printing device capable of securing printing quality by making the tensile force of a web stable regardless of the characteristic of the web.

SOLUTION: The double-sided printing device includes: a first image forming means for forming an image on one side of the conveyed web; a second image forming means for forming an image on the other side of the web; a web conveying means for conveying the web; a fixing means positioned at the post-stage of the first and the second image forming means and fixing the image on the web; and a web ejection means for ejecting the web. In the device, the fixing means is the one which does not contact the web, and a tensile force imparting means for imparting the tensile force to the web by displacing in accordance with web length between the first and the second image forming means and the web ejection means is provided between the fixing means and the web ejection means.

COPYRIGHT: (C)2007,JPO&INPIT