| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming device for improving the number of printing sheets in the double-sided printing. SOLUTION: After prescribed resist of the first paper sheet 3a, the drive of a resist roller 12 is stopped till image data are developed and outputted. On the other hand, a reverse roller 35, a relay roller 36 and bias rollers 41 are driven and the second paper sheet 3b is carried again to a prescribed position. Therefore, the number of printing paper sheets can be increased in the double-sided printing. |
