DEGASSING DEVICE AND INKJET RECORDING APPARATUS

    公开(公告)号:US20240351346A1

    公开(公告)日:2024-10-24

    申请号:US18635328

    申请日:2024-04-15

    CPC classification number: B41J2/19 B41J2/17553 B41J2/17556 B41J2/17596

    Abstract: A degassing device removes air dissolved in a liquid under a pressure decreased atmosphere, includes a liquid tank, a pressure decreasing device, a circulation flow pass, a circulation device, a dissolved gas amount measuring device, and a control device. The liquid tank stores the liquid. The pressure decreasing device decreases pressure in the liquid tank. The circulation flow pass communicates different positions of the liquid tank. The circulation device circulates the liquid through the circulation flow pass. The dissolved gas amount measuring device measures an amount of dissolved gas of the liquid in the liquid tank. The control device controls the circulation device in accordance with the amount of dissolved gas measured by the dissolved gas amount measuring device.

    IMAGE FORMING APPARATUS
    2.
    发明申请

    公开(公告)号:US20190278201A1

    公开(公告)日:2019-09-12

    申请号:US16276806

    申请日:2019-02-15

    Inventor: Hiroaki WATANABE

    Abstract: The image forming apparatus includes an image carrier, a transferring member and a cleaning device. The cleaning device includes a cleaning member, a case and a toner seal. A refresh mode including a first operation and a second operation is executable when an image forming operation is not performed. The first operation is executed such that the image carrier is rotated in a counter direction and for a predetermined distance or longer. The counter direction is a direction opposite to the rotation direction of the image carrier at the image forming operation. The predetermined distance is a distance from a contact position where the cleaning member comes into contact with the surface of the image carrier to a transferring position where the transferring member transfers the toner image. The second operation is executed such that the transferred body is driven and the transferring member is applied with transferring bias.

    IMAGE FORMING APPARATUS
    3.
    发明申请

    公开(公告)号:US20190079450A1

    公开(公告)日:2019-03-14

    申请号:US16117006

    申请日:2018-08-30

    CPC classification number: G03G21/203 G03G15/04036 G03G15/043

    Abstract: An image forming apparatus includes a photoreceptor and an exposure device. The exposure device is configured to expose a surface of the photoreceptor and to form an electrostatic latent image. The exposure device includes a light source, a polygon mirror and a polygon motor. The light source is configured to emit a beam. The polygon mirror is configured to deflect the beam emitted from the light source. The polygon motor is configured to rotate the polygon mirror. The polygon motor is rotated at least temporarily when an aging mode to remove moisture from the surface of the photoreceptor is executed.

    IMAGE FORMING APPARATUS, DEVELOPER USED THEREBY, AND IMAGE FORMING METHOD

    公开(公告)号:US20170329273A1

    公开(公告)日:2017-11-16

    申请号:US15517643

    申请日:2015-10-23

    Abstract: An image forming apparatus (1) includes an image bearing member (50), a charging section (51), a developing section (52), and a cleaning member (81). The image bearing member (50) contains filler particles (87). The charging section (51) is either in contact with or positioned close to the image bearing member (50) and is configured to electrically charge the image bearing member (50) by generating a proximity discharge between the charging section (51) and the image bearing member (50). The developing section (52) supplies toner to the circumferential surface of the charged image bearing member (50). The cleaning member (81) has a degree of hardness equal to or higher than 65° and a degree of impact resilience equal to or lower than 30%. The cleaning member (81) is brought into pressure contact with the circumferential surface of the image bearing member (50) being rotated, by applying linear pressure equal to or higher than 15 gf/cm.

    IMAGE FORMING APPARATUS
    5.
    发明申请

    公开(公告)号:US20210252878A1

    公开(公告)日:2021-08-19

    申请号:US17174433

    申请日:2021-02-12

    Abstract: A first light emitter emits light toward a sheet. A first light receiver receives first reflected light from the sheet. A second light emitter is arranged downstream of the first light emitter in a conveyance direction of the sheet and emits light toward the sheet. A second light receiver receives second reflected light from the sheet. A measuring section measures first and second received light quantities of the first reflected light and the second reflected light. A moisture content calculator calculates a change in a moisture content of the ink in the sheet based on a difference between first and second moisture contents. The first moisture content is based on the first received light quantity and the second moisture content is based on the second received light quantity. A curling amount calculator calculates a curling amount of the sheet based on the change in the moisture content.

    DEGASSING DEVICE AND INKJET RECORDING APPARATUS

    公开(公告)号:US20240351345A1

    公开(公告)日:2024-10-24

    申请号:US18635263

    申请日:2024-04-15

    CPC classification number: B41J2/19 B41J2/17556 B41J2/17566

    Abstract: A degassing device removes air dissolved in a liquid under a pressure decreased atmosphere, and includes a liquid tank, a pressure decreasing device, a circulation flow pass, a circulation device, and a variable mechanism. The liquid tank stores the liquid. The pressure decreasing device decreases pressure in the liquid tank. The circulation flow pass communicates different positions of the liquid tank. The circulation device circulates the liquid through the circulation flow pass. The variable mechanism changes a height of an inlet port from the circulation flow pass to the liquid tank in accordance with a height of a liquid surface in the liquid tank.

    IMAGE FORMING APPARATUS
    7.
    发明申请

    公开(公告)号:US20210252880A1

    公开(公告)日:2021-08-19

    申请号:US17173424

    申请日:2021-02-11

    Abstract: An image forming apparatus includes a feeder, a conveyance section, an image forming section, a light emitter, a light receiver, a measuring section, and a permeation depth calculator. The feeder feeds a sheet. The conveyance section conveys the sheet. The image forming section forms an image on the sheet conveyed by the conveyance section using an ink. The light emitter emits near-infrared light to the sheet with the image thereon. The light receiver receives reflected light of the near-infrared light. The reflected light has been reflected by the sheet with the image thereon. The measuring section measures a received light quantity of the reflected light. The permeation depth calculator calculates a permeation depth of the ink permeating the sheet based on the received light quantity.

    IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

    公开(公告)号:US20170300002A1

    公开(公告)日:2017-10-19

    申请号:US15515645

    申请日:2015-10-27

    CPC classification number: G03G21/0005 G03G5/05 G03G5/147 G03G5/14704

    Abstract: An image forming apparatus (1) includes a photosensitive drum (50), a cleaning blade (81), and a drive mechanism (90). The cleaning blade (81) is in pressed contact with a circumferential surface of the photosensitive drum (50). The drive mechanism (90) causes one of the photosensitive drum (50) and the cleaning blade (81) to reciprocate in a rotational axis direction (D) of the photosensitive drum (50). The drive mechanism (90) for example causes the photosensitive drum (50) to reciprocate in the rotational axis direction (D). The photosensitive drum (50) includes a photosensitive layer (85). An outermost layer of the photosensitive layer (85) contains a plurality of particles.

Patent Agency Ranking