| 摘要 |
<P>PROBLEM TO BE SOLVED: To disclose a technique for preventing occurrence of image formation failure due to the angle difference between the sub-scanning direction of an image forming part and the conveyance direction of a conveying body. <P>SOLUTION: A printer 1 has a changing unit for changing at least one of a printing reference position which is a reference for setting a formation position of a print image in the main scanning direction of an image forming unit and a mark reference position which is a reference for setting at least one of a formation position and a size of a mark in the main scanning direction such that an offset amount between the printing reference position and the mark reference position becomes larger as an angle difference between a sub-scanning direction of an image forming unit 20 and a conveyance direction of a belt 13 is larger. <P>COPYRIGHT: (C)2012,JPO&INPIT |
