发明名称 |
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD |
摘要 |
In an image forming apparatus, a toner image formed on a photosensitive drum is primarily transferred onto an intermediate transfer belt. The toner image on the intermediate transfer belt is secondarily transferred onto a transfer material by a secondary transfer roller in contact with the intermediate transfer belt. A relation A>B>C is satisfied, where A is a width of the intermediate transfer member, B is a width of the secondary transfer member, and C is a width of the transfer material. The intermediate transfer member includes a patch-pattern forming area that is not contacted by the secondary transfer member. The image forming apparatus includes a reflection-type photosensor that detects a patch pattern formed in the patch-pattern forming area.
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申请公布号 |
US2008025742(A1) |
申请公布日期 |
2008.01.31 |
申请号 |
US20070733918 |
申请日期 |
2007.04.11 |
申请人 |
KATO SHINJI;HASEGAWA SHIN;ISHIBASHI HITOSHI;FUJIMORI KOHTA;TAKEUCHI NOBUTAKA;ARIIZUMI OSAMU;WATANABE NAOTO;TANAKA KAYOKO;HIRAYAMA YUSHI;KOBAYASHI KAZUMI;KOBAYASHI SHINJI;UCHIDA FUKUTOSHI;ENAMI TAKASHI;MORIMOTO RYOHTA |
发明人 |
KATO SHINJI;HASEGAWA SHIN;ISHIBASHI HITOSHI;FUJIMORI KOHTA;TAKEUCHI NOBUTAKA;ARIIZUMI OSAMU;WATANABE NAOTO;TANAKA KAYOKO;HIRAYAMA YUSHI;KOBAYASHI KAZUMI;KOBAYASHI SHINJI;UCHIDA FUKUTOSHI;ENAMI TAKASHI;MORIMOTO RYOHTA |
分类号 |
G03G15/00 |
主分类号 |
G03G15/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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