发明名称 Image forming apparatus
摘要 An image forming apparatus is disclosed that includes a recording head having a plurality of nozzles and scanning in forward and backward scanning directions to form dot images on the recording medium, an imaging unit imaging an image on the recording medium, a detection unit detecting a positional shift amounts of the dot images and inclination amounts of the recording head based on calibration image data obtained by imaging two first marks and two second marks in a single view by the imaging unit, and a correction unit correcting a drive of the recording head based on the detected positional shift amounts and the inclination amounts of the recording head.
申请公布号 US8191986(B2) 申请公布日期 2012.06.05
申请号 US20090457791 申请日期 2009.06.22
申请人 TAKAHASHI HIROSHI;KOBAYASHI MASATO;KIMURA TOMONORI;TAKEI KAZUSHI;SAKURADA YUICHI;SATOH NOBUYUKI;SAKURAI YASUO;RICOH COMPANY, LTD. 发明人 TAKAHASHI HIROSHI;KOBAYASHI MASATO;KIMURA TOMONORI;TAKEI KAZUSHI;SAKURADA YUICHI;SATOH NOBUYUKI;SAKURAI YASUO
分类号 B41J29/393 主分类号 B41J29/393
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