| 摘要 |
PURPOSE:To improve both-surface printing speed by inverting and guiding recording paper fed out by means of a conveyance roll in a twisted state, then correcting the recording paper in a conveying direction of a conveyance path again and feeding it out. CONSTITUTION:The recording paper 2a is fed out obliquely right forward with respect to the conveying direction of the conveyance path 5 and then guided along a bent guide 81c in a half circular arc shape, so that it is inverted up surface down in the twisted state to become recording paper 2b. As for the recording paper 2b, the surface A faces and contacts with an upper plate 81b to be an upper surface and the surface B is a lower surface. By making the paper pass between conveyance rolls 83 and 83 obliquely disposed on the upper plate 81b near an exit 8b side, the recording paper 2b is corrected again to be in the conveying direction of the conveyance path 5 and fed forward. Then, the recording paper is fed out from the exit 8b as recording paper 2c in a state where the surface B faces and contacts with a lower plate 81a with its own weight. Thus, both-surface printing sped can be increased since the convey ance of the recording paper is not stopped from an entrance 8a to the exit 8b. |
