Abstract: An image forming system includes: an image forming apparatus configured to form an image on a recording medium; a post-processing apparatus configured to perform post-processing on the recording medium on which an image is formed by the image forming apparatus; a relay apparatus having a function of changing a transport speed of the recording medium on which an image is formed by the image forming apparatus to a transport speed of the post-processing apparatus and transporting the recording medium to a subsequent stage; and a charge eliminating apparatus configured to perform charge elimination on the recording medium that is charged, by reducing a charge amount of the charged recording medium, and the charge eliminating apparatus is provided at a stage that is after the relay apparatus and before the post-processing apparatus.

Abstract: A medium processing system includes: a pre-processing device; a first delivery device that receives a recording medium from the pre-processing device and that delivers the recording medium; a first post-processing device that receives the recording medium delivered from the first delivery device and that performs post-processing on the recording medium; one second delivery device or multiple second delivery devices that are connected in series with the first delivery device, that receive the recording medium delivered from an upstream side in a transport direction of the recording medium, and that deliver the recording medium; a second post-processing device that receives the recording medium delivered from the one second delivery device or the multiple second delivery devices and that performs post-processing on the recording medium; a first controller that is provided at the first delivery device and that communicates with the first post-processing device, the pre-processing device, and the second delivery

Abstract: A feeding device includes: a loading portion that is disposed on a downstream side of a transporting path in a transporting direction and that loads a transporting target, which is transported through the transporting path, on a loading surface inclined with respect to a horizontal direction; and a feeding unit that feeds the transporting target, which is in contact with the loading surface, obliquely upward along the loading surface.

Abstract: A transporting device includes a carrying-in unit that carries in a sheet-shaped transporting target, a rotation unit that rotates the transporting target, which is carried in by the carrying-in unit, in a view toward a thickness direction, and a discharging unit that discharges the transporting target rotated by the rotation unit.

Abstract: An intermediate transport device includes: a changing unit that changes a direction of a recording medium received from a pre-processing device to at least one of one direction and another direction with respect to a receiving direction in which the recording medium is received, and delivers the recording medium; and a housing that has a delivery port through which the recording medium delivered to the one direction toward one post-processing device passes, and another delivery port through which the recording medium delivered to the other direction toward another post-processing device passes, and that is disposed at a height similar to a height of the delivery port.

Abstract: An image forming system includes: an image forming apparatus configured to form an image on a recording medium; a post-processing apparatus configured to perform post-processing on the recording medium on which an image is formed by the image forming apparatus; a relay apparatus having a function of changing a transport speed of the recording medium on which an image is formed by the image forming apparatus to a transport speed of the post-processing apparatus and transporting the recording medium to a subsequent stage; and a charge eliminating apparatus configured to perform charge elimination on the recording medium that is charged, by reducing a charge amount of the charged recording medium, and the charge eliminating apparatus is provided at a stage that is after the relay apparatus and before the post-processing apparatus.

Abstract: An image forming device includes an image holding member and a charging unit. In a case in which an AC current, while being increased, is supplied to the charging unit in a state in which a DC voltage value and an AC voltage value applied to the charging unit are maintained, or a case in which a DC voltage, while being increased, is supplied to the charging unit in a state in which the AC voltage value applied to the charging unit is maintained, a current detection unit detects DC current values. An inflection point derivation unit derives an inflection point of a correlation line representing an correlation between the detected DC current values and the supply amounts. An execution unit executes pre-specified processing when a characteristic value of the derived inflection point reaches a pre-specified value.

Abstract: A waste developer collecting device comprising: a collecting container; a collecting opening; a conveying unit; a filter; a partition wall; and an air inlet.

Abstract: An image forming apparatus includes a photosensitive member, a charging device, a developing device, a thickness detecting unit and a parameter setting unit. A photosensitive layer is formed on a surface of the photosensitive member. The charging device charges the photosensitive member. The developing device forms a toner image on the surface of the photosensitive member. The thickness detecting unit detects a thickness of the photosensitive layer on a basis of a value of a current supplied to the charging device. When the thickness detecting unit detects the thickness of the photosensitive layer, the parameter setting unit sets at least one of a charge parameter for the charging device and a development parameter to be different from that used in forming an image on a recording medium by transferring a toner image formed on the surface of the photosensitive member onto the recording medium.

Abstract: A waste developer collecting device comprising: a collecting container; a collecting opening; a conveying unit; a filter; a partition wall; and an air inlet.

Abstract: There is provided an image forming apparatus including: an image carrier carrying an image; a charging roll charging the image carrier; a cleaning member configured to be brought into contact with the charging roll for cleaning the charging roll; a first holding portion detachably provided in an apparatus main body for holding the image carrier; and a second holding portion provided within the apparatus main body independently from the first holding portion, for holding the cleaning member.

Abstract: A waste developer collecting device comprising: a collecting container; a collecting opening; a conveying unit; a filter; a partition wall; and an air inlet.

Abstract: A collected developer conveying device includes: a conveying passage through which collected developer is conveyed; a conveying member that is disposed in the conveying passage, and conveys the developer in the conveying passage by rotation thereof; a developer carrying body that holds developer on a surface thereof, and that is relatable; and a ventilation passage through which air passes from a developing container including the developer carrying body, wherein the conveying passage includes an air flow region formed in a part thereof upper than a rotational center of the conveying member in a gravitational direction, in a side of the conveying passage in which the conveying member rotates from an upper part of the conveying passage to a lower part thereof in the gravitational direction.

Abstract: There is provided an image forming apparatus including: an image carrier carrying an image; a charging roll charging the image carrier; a cleaning member configured to be brought into contact with the charging roll for cleaning the charging roll; a first holding portion detachably provided in an apparatus main body for holding the image carrier; and a second holding portion provided within the apparatus main body independently from the first holding portion, for holding the cleaning member.

Abstract: An image forming apparatus includes a photosensitive member, a charging device, a developing device, a thickness detecting unit and a parameter setting unit. A photosensitive layer is formed on a surface of the photosensitive member. The charging device charges the photosensitive member. The developing device forms a toner image on the surface of the photosensitive member. The thickness detecting unit detects a thickness of the photosensitive layer on a basis of a value of a current supplied to the charging device. When the thickness detecting unit detects the thickness of the photosensitive layer, the parameter setting unit sets at least one of a charge parameter for the charging device and a development parameter to be different from that used in forming an image on a recording medium by transferring a toner image formed on the surface of the photosensitive member onto the recording medium.

Abstract: There is provided an image forming apparatus including: an image carrier carrying an image; a charging roll charging the image carrier; a cleaning member configured to be brought into contact with the charging roll for cleaning the charging roll; a first holding portion detachably provided in an apparatus main body for holding the image carrier; and a second holding portion provided within the apparatus main body independently from the first holding portion, for holding the cleaning member.

Abstract: An image forming apparatus includes a photosensitive member, a charging device, a developing device, a thickness detecting unit and a parameter setting unit. A photosensitive layer is formed on a surface of the photosensitive member. The charging device charges the photosensitive member. The developing device forms a toner image on the surface of the photosensitive member. The thickness detecting unit detects a thickness of the photosensitive layer on a basis of a value of a current supplied to the charging device. When the thickness detecting unit detects the thickness of the photosensitive layer, the parameter setting unit sets at least one of a charge parameter for the charging device and a development parameter to be different from that used in forming an image on a recording medium by transferring a toner image formed on the surface of the photosensitive member onto the recording medium.

Abstract: An image forming apparatus includes: an image holder; an exposure member that has an exposure portion exposing the image holder; a first positioning unit that determines a distance in a first direction, which is a direction of an optical axis of the exposure member, between the exposure member and the image holder; and a second positioning unit that determines a position of the exposure member with respect to the image holder in a second direction being a direction of an axis line of the image holder, and a position of the exposure member with respect to the image holder in a third direction being perpendicular to both the first direction and the second direction, and that determines the distance between the exposure member and the image holder at a position substantially closer to the exposure member than the position of the first positioning unit.

Abstract: An image forming device includes an image holding member and a charging unit. In a case in which an AC current, while being increased, is supplied to the charging unit in a state in which a DC voltage value and an AC voltage value applied to the charging unit are maintained, or a case in which a DC voltage, while being increased, is supplied to the charging unit in a state in which the AC voltage value applied to the charging unit is maintained, a current detection unit detects DC current values. An inflection point derivation unit derives an inflection point of a correlation line representing an correlation between the detected DC current values and the supply amounts. An execution unit executes pre-specified processing when a characteristic value of the derived inflection point reaches a pre-specified value.

Abstract: A cleaning device includes a cleaning roll and an intervening member. The cleaning roll contacts the surface of a charge roll that charges a photoconductor, rotates, and cleans the surface of the charge roll. The intervening member is intervened between the charge roll and the cleaning roll and causes the charge roll and the cleaning roll to separate from each other. The intervening member may be spacers that are intervened at both end portions of the charge roll and the cleaning roll and form a gap between the charge roll and the cleaning roll. The intervening member may also be a lubricant.