The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 01, 2016

Filed:

Oct. 07, 2014
Applicant:

Konica Minolta, Inc., Tokyo, JP;

Inventors:

Hiroshi Matsumoto, Tokyo, JP;

Kazunori Nishinoue, Tokyo, JP;

Taizou Oonishi, Tokyo, JP;

Makoto Fujii, Tokyo, JP;

Miho Yamano, Tokyo, JP;

Atsushi Nakamura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); B65H 15/00 (2006.01); G03G 15/23 (2006.01); B65H 85/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/50 (2013.01); B65H 15/00 (2013.01); B65H 85/00 (2013.01); G03G 15/234 (2013.01); B65H 2301/3123 (2013.01); B65H 2301/33214 (2013.01); B65H 2301/33312 (2013.01); B65H 2301/5132 (2013.01); B65H 2301/5133 (2013.01); B65H 2511/415 (2013.01); B65H 2515/716 (2013.01); B65H 2601/273 (2013.01); G03G 15/6573 (2013.01); G03G 2215/00438 (2013.01); G03G 2215/00654 (2013.01);
Abstract

an image forming apparatus including; a non-inversion conveyance unit that conveys a sheet to a downstream without inverting through the image forming unit; an inversion conveyance unit that inverts the sheet with printing on one side and that conveys the sheet to an upstream; a first sheet inversion unit that is arranged on the inversion conveyance unit and inverts the front and back of the sheet conveyed by the inversion conveyance unit; a control unit that controls the image forming unit and the conveyance unit, wherein the control unit includes a single-sided print mode and a double-sided print mode, and at a breakpoint of jobs, the control unit discharges the sheet so as to provide charge polarity that does not electrostatically attract a sheet discharged just before the breakpoint and a sheet discharged just after the breakpoint at least in the double-sided print mode.


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