摘要 |
A feeding unit that feeds a medium, a plurality of image carriers arranged in parallel along a moving direction of the medium, a developer image forming unit that forms a developer image on the plurality of image carriers, and a transfer unit that transfers the developer image formed on the plurality of image carriers onto the medium is described. The developer image forming unit forms a first developer image on a first image carrier of the plurality of image carriers, the first developer image being used for transferring a first pattern at a first interval on the medium along the feeding direction. Also, the developer image forming unit forms a second developer image on a second image carrier of the plurality of image carriers, the second developer image at the first interval and a second interval alternately on the medium along the feeding direction.
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