公开(公告)号：US20210075928A1

公开(公告)日：2021-03-11

申请号：US16939519

申请日：2020-07-27

Applicant: KONICA MINOLTA, INC.

Inventor： Hideyuki MATSUDA ,  Akira MURAKAWA ,  Atsushi KAWAI

IPC: H04N1/00

Abstract: An image forming apparatus includes: a reception part that receives specification of a print mode and specification of a sheet type to be used for printing; a sheet supply part that sends a sheet to a sheet conveyance path; a detection part that detects a type of a sheet sent to the sheet conveyance path; and a hardware processor that controls a printing operation, wherein when a sheet type received by the reception part is a type for which printing in the print mode received by the reception part is allowed, the sheet supply part sends a sheet to the sheet conveyance path, the hardware processor determines whether or not the print mode received by the reception part is a prohibition mode, when it is determined that the print mode is the prohibition mode, the detection part detects a type of a sheet sent to the sheet conveyance path.

公开(公告)号：US20180275598A1

公开(公告)日：2018-09-27

申请号：US15904268

申请日：2018-02-23

Applicant: KONICA MINOLTA, INC.

Inventor： Hideo MAE ,  Tatsutoshi YAMADA ,  Atsushi KAWAI ,  Hideaki KOMIYAMA

IPC: G03G15/00 ,  G03G9/08

CPC classification number: G03G21/0088 ,  G03G9/0825 ,  G03G15/0275 ,  G03G15/50

Abstract: An image forming apparatus includes: a photosensitive member; a charger that charges a surface of the photosensitive member; an exposure device that forms a latent image; and a developing device that applies toner to the latent image, wherein the photosensitive member is incorporated in a detachable photosensitive member unit, and the developing device is incorporated in a detachable developing unit, the image forming apparatus including: an optimization controller that performs optimization of a charging bias of the charger and a developing bias of the developing device; and a replacement determiner that determines which of the photosensitive member unit and the developing unit is to be replaced when an optimized developing bias is out of a predetermined allowable range, wherein the replacement determiner determines that the developing unit is to be replaced, and determines that the photosensitive member unit is to be replaced.

公开(公告)号：US20180275582A1

公开(公告)日：2018-09-27

申请号：US15920588

申请日：2018-03-14

Applicant: KONICA MINOLTA, INC.

Inventor： Hideaki KOMIYAMA ,  Atsushi KAWAI ,  Tatsutoshi YAMADA ,  Hideo MAE

IPC: G03G15/00

CPC classification number: G03G15/553 ,  G03G15/5054 ,  G03G15/75

Abstract: An image forming apparatus includes: a rotatable photosensitive member included in a photosensitive unit that is attachable and detachable; an exposing device that forms a latent image on a surface of the photosensitive member; a developing device that forms a toner image by providing toner onto the latent image by using two-component developer; an image stabilization control part that performs optimization of a parameter value of image formation while image formation is not performed; and a replacement determiner that makes determination of replacement of the photosensitive unit on a basis of an optimized value that is the parameter value optimized by the image stabilization control part, wherein the replacement determiner determines that the photosensitive unit should be replaced in a case where the optimized value corresponds to a photosensitive member replacement event that has been determined in advance.

公开(公告)号：US20210048771A1

公开(公告)日：2021-02-18

申请号：US16932980

申请日：2020-07-20

Applicant: KONICA MINOLTA, INC.

Inventor： Mie KAWABATA ,  Akira MURAKAWA ,  Atsushi KAWAI

IPC: G03G15/00

Abstract: An image forming apparatus includes: a sheet feeding tray that stores a sheet; a sheet thickness measurement device that measures a sheet thickness of the sheet fed from the sheet feeding tray; a hardware processor that: determines a type of the sheet of which the sheet thickness is measured, a sheet type associated with each of sheet thickness ranges, and the sheet thickness measured by the sheet thickness measurement device; and adjusts a first sheet thickness range to cause the first sheet thickness range to be expandable to at least one of an upper limit value side or a lower limit value side; and an image former that forms an image on the sheet fed from the sheet feeding tray under image forming conditions corresponding to the sheet type determined by the hardware processor.

公开(公告)号：US20210048770A1

公开(公告)日：2021-02-18

申请号：US16923262

申请日：2020-07-08

Applicant: KONICA MINOLTA, INC.

Inventor： Mie KAWABATA ,  Akira MURAKAWA ,  Atsushi KAWAI

IPC: G03G15/00

Abstract: An image forming apparatus includes: a sheet feeding tray that stares a sheet; a sheet thickness measurement device that measures a sheet thickness of the sheet fed from the sheet feeding tray; a hardware processor that: determines a type of the sheet of which the sheet thickness is measured, a sheet type associated with each of sheet thickness ranges, and the sheet thickness measured by the sheet thickness measurement device; and adjusts a first sheet thickness range by expanding the first sheet thickness range to at least one of an upper limit value side or a lower limit value side; and an image former that forms an image on the sheet fed from the sheet feeding tray under image forming conditions corresponding to the sheet type determined by the hardware processor.

公开(公告)号：US20150063952A1

公开(公告)日：2015-03-05

申请号：US14468005

申请日：2014-08-25

Applicant: KONICA MINOLTA, INC.

Inventor： Atsushi KAWAI

IPC: B42C11/04 ,  B65H45/12 ,  B65H7/20

CPC classification number: B42C11/04 ,  B42B2/02 ,  B42B4/00 ,  B42C1/12 ,  B42C7/005 ,  B42C9/0006 ,  B42C19/02 ,  B65H7/20 ,  B65H15/00 ,  B65H37/04 ,  B65H45/12 ,  B65H45/30 ,  B65H2301/332 ,  B65H2301/333 ,  B65H2301/4381 ,  B65H2511/414 ,  B65H2511/415 ,  B65H2801/27 ,  G03G15/6544 ,  G03G15/6573 ,  G03G21/16 ,  G03G2215/007 ,  G03G2215/00822 ,  G03G2215/00848 ,  G03G2215/00877 ,  G03G2215/00936 ,  G03G2221/1696 ,  B65H2220/02 ,  B65H2220/01

Abstract: The present invention includes a first post-processor equipped with a paper turn-over unit for paper and a paper surface processing unit adapted to process a paper surface of the paper; a second post-processor configured to be different from the first post-processor and located downstream of the first post-processor in a paper transport direction; and a controller adapted to control the first post-processor and the second post-processor, wherein the controller determines whether to use the paper turn-over unit, according to a combination of a post-processing mode which uses the first post-processor and a post-processing mode which uses the second post-processor.

Abstract translation: 本发明包括配备有用于纸张的纸张翻转单元的第一后处理器和适于处理纸张的纸面的纸张表面处理单元; 第二后处理器，被配置为与所述第一后处理器不同，并且在纸传送方向上位于所述第一后处理器的下游; 以及控制器，其适于控制所述第一后处理器和所述第二后处理器，其中，所述控制器根据使用所述第一后处理器的后处理模式与所述第二后处理器的组合，确定是否使用所述纸张翻转单元 使用第二后处理器的后处理模式。