发明名称 Image forming apparatus and image forming method
摘要 An image forming apparatus includes an image carrier, an intermediate transferring body and a contact type secondary transferring member transferring an image from the intermediate transferring body to a recording medium. The apparatus forms an image with respective developers for multiple colors and uses a predefined adjustment pattern to make density adjustment and position adjustment of respective color images. After execution of the density adjustment and/or the position adjustment, a stain prevention pattern is formed with a yellow developer to cover an area where the adjustment pattern is attached to the secondary transferring member.
申请公布号 US7817928(B2) 申请公布日期 2010.10.19
申请号 US20080071338 申请日期 2008.02.20
申请人 RICOH COMPANY, LIMITED 发明人 TSUCHIDA YOSHIE;MIYAZAKI TAKAFUMI
分类号 G03G15/01;G03G15/14 主分类号 G03G15/01
代理机构 代理人
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