公开(公告)号：US09927766B2

公开(公告)日：2018-03-27

申请号：US15648952

申请日：2017-07-13

申请人： KYOCERA Document Solutions Inc.

发明人： Takuya Miyamoto

IPC分类号： G03G21/18

CPC分类号： G03G21/1803 ,  G03G21/08

摘要： A removable unit has a first unit removably attached to an image forming apparatus, a second unit held by being removably attached to the first unit, and a cover member. The cover member is supported pivotably on the first unit, and can be located selectively either in a first position overlapping, or a second position not overlapping, the attachment/removal path of the second unit. When the cover member pivots from the first position to a third position pivoted through a predetermined angle from the first position toward the second position, from the first unit a reaction force acts on the cover member to restrict its pivoting toward the second position and, when the cover member pivots from the second position to the third position, from the first unit a reaction force acts on the cover member to restrict its pivoting toward the first position.

公开(公告)号：US09864322B2

公开(公告)日：2018-01-09

申请号：US15159960

申请日：2016-05-20

申请人： Mayumi Yoshihara ,  Koichi Kato

发明人： Mayumi Yoshihara ,  Koichi Kato

IPC分类号： G03G21/08 ,  G03G15/04 ,  G03G15/00 ,  G03G5/06 ,  G03G5/147

CPC分类号： G03G21/08 ,  G03G5/0679 ,  G03G5/0696 ,  G03G5/14756 ,  G03G15/04045 ,  G03G15/75

摘要： An image forming apparatus includes an image bearer; a charging member to charge the surface of the image bearer; an irradiating member to irradiate the surface of the image bearer to form an electrostatic latent image on the surface of the image bearer; an developing member to develop the electrostatic latent image with a toner to form a visible toner image on the surface of the image bearer; and a transferring member to transfer the toner image onto a transfer material. The image bearer includes a charge generation layer including an asymmetrical disazo pigment and a metal-free phthalocyanine pigment, and a charge transport layer. The irradiating member forms the electrostatic latent image at an irradiation energy greater than a half decay exposure of the image bearer and not greater than 2.5 times of the half decay exposure. The image bearer is not discharged every image forming process.

公开(公告)号：US09823599B2

公开(公告)日：2017-11-21

申请号：US15211806

申请日：2016-07-15

申请人： FUJI XEROX CO., LTD.

发明人： Hirotaka Tanaka ,  Tsutomu Sugimoto ,  Jin Iwasaki ,  Ken Ozaki

IPC分类号： G03G15/04 ,  G03G15/045 ,  H04N1/028 ,  H04N1/00 ,  H04N1/29 ,  F21V8/00 ,  G02B1/16

CPC分类号： G03G15/045 ,  G02B1/16 ,  G02B6/00 ,  G02B6/001 ,  G02B6/0096 ,  G03G21/08 ,  G03G2215/0132 ,  H04N1/00994 ,  H04N1/0285 ,  H04N1/02855 ,  H04N1/29 ,  H04N2201/0082 ,  H04N2201/02456 ,  H04N2201/0246 ,  H04N2201/02462

摘要： A light guide body that extends in a rod shape and guides light incident from an end surface thereof to emit the light from a circumferential surface thereof, the light guide body having a shape such that according to an angle of a circumferential direction around the light guide body, an amount of emitting light in a direction of the angle is different. Additionally, a static elimination device and an image forming apparatus include the light guide body.

公开(公告)号：US20170277111A1

公开(公告)日：2017-09-28

申请号：US15506781

申请日：2015-10-05

申请人： KYOCERA Document Solutions Inc.

发明人： Teppei SHIBUYA

IPC分类号： G03G15/16

CPC分类号： G03G15/80 ,  G03G15/0131 ,  G03G15/16 ,  G03G15/1605 ,  G03G15/1625 ,  G03G15/1675 ,  G03G21/08

摘要： An image forming apparatus (1) includes image bearing members (31), transfer members (52), and a power supply section (57). The image bearing members (31) each bear one of toner images in different colors from one another. The transfer members (52) are located opposite to the image bearing members (31). The power supply section (57) charges the transfer members (52). Through the above, the toner images on the respective image bearing members (31) are transferred to a moving transfer target (51). The power supply section (57) includes a power supply device (58 or 58a) connected to at least two of the transfer members (52). The transfer members (52) connected to the power supply device (58 or 58a) are each located at a position shifted upstream or downstream of a corresponding one of the image bearing members (31) in a moving direction (X) of the transfer target (51).

公开(公告)号：US20170277110A1

公开(公告)日：2017-09-28

申请号：US15503902

申请日：2015-10-05

申请人： KYOCERA Document Solutions Inc.

发明人： Teppei SHIBUYA

IPC分类号： G03G15/00

CPC分类号： G03G15/80 ,  G03G15/0178 ,  G03G15/0189 ,  G03G15/1605 ,  G03G15/1675 ,  G03G15/5004 ,  G03G15/657 ,  G03G15/751 ,  G03G15/757 ,  G03G21/0017 ,  G03G21/06 ,  G03G21/08

摘要： An image forming apparatus (1) includes photosensitive drums (41y, 41c, 41m, and 41k), static eliminators (45y, 45c, 45m, and 45k), transfer rollers (54y, 54c, 54m, and 54k), a power source (55a) for transfer, and load resistors (47y, 47c, 47m, and 47k). The static eliminators (45y, 45c, and 45m) perform static elimination on adjacently upstream or downstream photosensitive drums (41y, 41c, 41m, and 41k) in a movement direction of a transfer target. The transfer rollers (54y, 54c, 54m, and 54k) are disposed opposite to the respective photosensitive drums (41y, 41c, 41m, and 41k). The power source (55a) for transfer applies potential to the transfer rollers (54y, 54c, 54m, and 54k). The load resistors (57y, 57c, 57m, and 57k) are respectively connected in parallel to one another and in series between the power source (55a) for transfer and the respective transfer rollers (54y, 54c, 54m, and 54k).

公开(公告)号：US20170277063A1

公开(公告)日：2017-09-28

申请号：US15260019

申请日：2016-09-08

申请人： FUJI XEROX CO., LTD.

发明人： Mitsuhiro MORI ,  Masato KATSUKAWA

IPC分类号： G03G21/00

CPC分类号： G03G21/08 ,  G03G13/045 ,  G03G15/045 ,  G03G15/047 ,  G03G15/5037

摘要： A discharging light quantity adjusting device includes a potential measurement controller that performs: a process of causing a first toner image forming process to charge an image holding member to a first potential and an electrometer to measure an electrostatic potential on the image holding member to obtain a first value, a process of causing a second toner image forming process to charge the image holding member to a second potential and removing a toner image formed by the second toner image forming process, and a process of causing a third toner image forming process to charge the image holding member to a third potential, and causing the electrometer to measure an electrostatic potential on the image holding member to obtain a second value; and a light quantity adjusting unit that adjusts a quantity of a discharging light based on the first and second values.

公开(公告)号：US09753395B2

公开(公告)日：2017-09-05

申请号：US15222338

申请日：2016-07-28

申请人： CANON KABUSHIKI KAISHA

发明人： Kosuke Ikada ,  Shinichi Agata

IPC分类号： G03G15/00 ,  G03G15/02 ,  G03G15/16 ,  G03G21/08 ,  G03G21/20

CPC分类号： G03G15/0266 ,  G03G15/1675 ,  G03G21/08 ,  G03G21/203

摘要： An image forming apparatus includes an acquiring portion that acquires a duration of an overcharged state occurring in an area of an image bearing body charged by a charging member after the image bearing body is exposed by a preliminary exposing portion. Adjustment is made to an interval between a first timing when the preliminary exposing portion starts exposing the image bearing body before execution of an adjustment operation for setting a transfer voltage value and a second timing when a voltage applying portion starts, during the subsequent adjustment operation, applying a voltage with an adjustment voltage value to a transfer member such that the second timing is later than a third timing when the duration acquired by the acquiring portion ends.

公开(公告)号：US09746795B2

公开(公告)日：2017-08-29

申请号：US15064958

申请日：2016-03-09

申请人： Motohiro Kawanabe ,  Yoshinori Shirasaki ,  Masayuki Hayashi ,  Masatoshi Murakami ,  Yuusuke Kohri ,  Akinori Yamaguchi

发明人： Motohiro Kawanabe ,  Yoshinori Shirasaki ,  Masayuki Hayashi ,  Masatoshi Murakami ,  Yuusuke Kohri ,  Akinori Yamaguchi

IPC分类号： G03G15/04 ,  G03G15/043 ,  G03G21/08

CPC分类号： G03G15/043 ,  G03G15/04054 ,  G03G21/08

摘要： An optical writing control device controls emission or lighting of a light source onto a photoconductor surface in a latent image forming process and a discharge process, by either setting a light emission time longer in the discharge process or setting a resolution in a sub-scanning direction lower in the discharge process, compared to the latent image forming process.

公开(公告)号：US09606470B2

公开(公告)日：2017-03-28

申请号：US14996856

申请日：2016-01-15

申请人： CANON KABUSHIKI KAISHA

发明人： Shota Soda

IPC分类号： G03G15/02 ,  G03G15/00 ,  G03G21/08

CPC分类号： G03G15/0283 ,  G03G15/80 ,  G03G21/08

摘要： When attachment of an unused photoconductor unit is detected, a mode is executed in which, during non-image formation, a first current flowing in a charging roller is detected when a photoconductor is re-charged without irradiation of light by a pre-exposure device after being charged and passing through a transfer position during non-image formation, and a second current flowing in the charging roller is detected when the photoconductor is re-charged with irradiation of light by the pre-exposure device after being charged and passing through the transfer position, and a current supplied to an LED lamp during image formation is controlled in accordance with detection results.

公开(公告)号：US09599925B2

公开(公告)日：2017-03-21

申请号：US15085565

申请日：2016-03-30

申请人： Konica Minolta, Inc.

发明人： Takeshi Maeyama

IPC分类号： G03G15/08 ,  G03G21/00 ,  G03G15/045 ,  G03G21/08

CPC分类号： G03G15/0806 ,  G03G15/045 ,  G03G21/0094 ,  G03G21/08

摘要： An image forming apparatus includes: an image carrier; an image forming unit configured to form, on the image carrier, an electrostatic latent image; a developing unit including a toner carrier configured to develop, on the image carrier, a toner image corresponding to the electrostatic latent image; an application unit configured to apply a lubricant onto the image carrier; a calculation unit configured to calculate an image portion ratio representing a ratio of a toner sticking region to the electrostatic latent image or the toner image; and a control unit configured to cause the lubricant mixed into the developing unit to stick to the toner carrier, and change, depending on the image portion ratio, an amount of the lubricant caused to stick to a non-image-formation region which is a region on the image carrier and in which the electrostatic latent image or the toner image is not formed.