发明名称 Image forming apparatus
摘要 An image forming apparatus which includes: an image forming apparatus main body provided with an image forming portion for forming an image on a sheet; an upstream-side sheet feed unit which is juxtaposed to the image forming apparatus main body and feeds a sheet contained therein to the image forming portion; a sheet treatment portion for treating a sheet fed thereto; and a downstream-side sheet feed unit which is juxtaposed between the image forming apparatus main body and the sheet treatment portion and feeds a sheet contained therein to the sheet treatment portion, in which each of the upstream-side sheet feed unit and the downstream-side sheet feed unit is selectively attachable to the image forming apparatus main body, and the upstream-side sheet feed unit and the downstream-side sheet feed unit have the same construction.
申请公布号 US2003170059(A1) 申请公布日期 2003.09.11
申请号 US20030375091 申请日期 2003.02.28
申请人 CANON KABUSHIKI KAISHA 发明人 KOGA HIROTO;KAWATA WATARU
分类号 B41J13/10;B65H1/04;B65H3/00;B65H3/44;B65H29/58;B65H33/04;B65H39/042;G03G15/00;(IPC1-7):G03G15/00 主分类号 B41J13/10
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