Abstract: A powder accommodating container includes a powder accommodating portion that accommodates powder, a sealing section that openably seals a supply port by being removed from the powder accommodating portion, and a breaking section that has a film-shaped member that breaks the powder in the powder accommodating portion by being removed from the powder accommodating portion in a case of opening the supply port, is fixed to plural places in the powder accommodating portion such that the film-shaped member is removable, and is fixed to the powder accommodating portion such that a force required for removing a tip of the film-shaped member from the powder accommodating portion is larger than other portions.

Abstract: Provided is an image forming unit contained in a flexible bag and held to allow a cushion member to absorb shock. The image forming unit includes: an image carrier on which an electrostatic latent image is formed; a developing device including a developing unit that is configured to develop the electrostatic latent image by turning around a turning center and coming into contact with the image carrier; and a developer accommodating portion that accommodates a developer for use in the developing device. The image forming unit also includes a restricting portion that is provided on an outermost portion of the developing device to come into contact with the cushion material so that rotation of the developing device is restricted.

Abstract: An image formation device includes: a first unit for image formation, attachably and detachably disposed in the image formation device, a power source unit configured to supply electric power to the first unit, a second unit for image formation, attachably and detachably, independently of the first unit, disposed in the image formation device, and disposed between the first unit and the power source unit and a power supply path provided in the second unit, and configured to be supplied with the electric power from the power source unit and supply the electric power to the first unit.

Abstract: A sensor holder includes a holder body that accommodates a sensor, a first snap fit that presses the sensor from a rear surface of the sensor, and two second snap fits that fix the holder body to the housing at at least two points.

Abstract: A developing device includes a developer storing unit that stores a developer before use of the developing device, a developer containing unit that contains, when the developing device is used, the developer stored in the developer storing unit such that the developer is capable of being stirred by the developer containing unit, a developer holding unit that is provided in a portion of the developer containing unit and that holds the developer contained in the developer containing unit and moves the developer in a rotation direction, a sealing unit including a sealing tape portion that seals a slit-shaped opening formed in the developer storing unit along a longitudinal direction of the developer storing unit while the sealing tape portion is capable of being pulled out and that seals the slit-shaped opening of the developer storing unit by being removably fixed onto an edge of the opening and an extended tape portion that is folded at an end of the sealing tape portion in a longitudinal direction of the seal

Abstract: An image forming unit includes an image carrier, a developer carrier, a development housing, and a guide member. The image carrier forms an electrostatic latent image. The developer carrier is in contact with the image carrier while rotating about a rotation axis and facing the image carrier to develop the electrostatic latent image. The development housing accommodates a developer and rotatably supports the developer carrier at one end with an opening portion that is open to the image carrier. The development housing includes an agitation path in which the developer is agitated and a feed path through which the developer is fed to the developer carrier.

Abstract: An image forming unit includes a developing device, a guiding member, and a sealing member. The developing device develops an electrostatic latent image formed on an image carrier that rotates. The developing device has a first ventilation hole that serves as a flow path for an airflow that is generated by rotation of the image carrier. The guiding member guides a recording material to the image carrier. The guiding member has a second ventilation hole that forms the flow path for the airflow in cooperation with the first ventilation hole. The sealing member is disposed between the first ventilation hole and the second ventilation hole. The sealing member has a first end in contact with the developing device and a second end in contact with the guiding member.

Abstract: A developing device includes a housing including a development opening and a containing unit that contains a developer, a developer carrier that rotates to pass through the development opening while holding the developer in the containing unit of the housing, an inlet portion of a flow path located in the housing at a portion including a downstream edge portion of the development opening on a downstream side in a rotation direction of the developer carrier, the inlet portion taking in part of an airflow caused by a rotation of the developer carrier to allow the part of the airflow to flow over an outer surface of the housing, and a guide member extending toward the developer carrier from a portion of the housing on a side of the inlet portion opposite to the development opening to guide the part of the airflow to the inlet portion.

Abstract: A developing device includes a toner holding member that rotates while holding a toner on an outer peripheral surface of the toner holding member and develops an electrostatic latent image formed on an image carrier, a control member that controls a thickness of a layer of the toner formed on the outer peripheral surface of the toner holding member, a suppression member that has an end pressed against the image carrier and that suppresses leakage of the toner, a collecting member that is provided above the control member and that does not allow the toner flowing in a direction from the control member toward the collecting member to pass through the collecting member while allowing a gas to pass through the collecting member, and a containing chamber that contains the toner falling from the collecting member.

Abstract: An image forming apparatus includes: a transport member that transports a medium; a storage that is disposed below the transport member in a gravitational direction, and that stores the medium which is delivered by the transport member and falls into the storage; a supporter that is provided in the storage, and that has an upper end disposed below the transport member in a gravitational direction, and that allows the medium to be stored with a front end of the medium in a discharge direction matching a lower end of the medium in a gravitational direction; and a guidance member that is disposed in the supporter with the medium interposed between the guidance member and the supporter, and that guides the medium which falls to the supporter.

Abstract: A developing device includes a developing member that develops an electrostatic latent image on an image carrying member with developer; a housing that houses and supports the developing member and has an open part facing the image carrying member; a storage portion provided inside the housing and storing the developer; and a leakage suppressing member provided at an edge of the open part that is on a downstream side in a direction of rotation of the developing member, the leakage suppressing member suppressing leakage of the developer from the housing toward the image carrying member. The housing has an opening on the downstream side in the direction of rotation with respect to the leakage suppressing member and on an upstream side in the direction of rotation with respect to the storage portion, the opening being open from a side of the developing member toward the outside of the housing.

Abstract: A developer collection container includes a connecting part removably connected to a discharge structure by moving relative to the discharge structure, the connecting part having a receiving opening to receive developer discharged from a discharge opening of the discharge structure, a storage part for storing the discharged developer, an opening and closing member provided in an area of the connecting part where the receiving opening is provided, the opening and closing member moving parallel to the area in conjunction with relative movement of the connecting part for displacement between close and open positions to close and open the receiving opening and having a covering part, and a sealing member provided around the receiving opening in the area, the sealing member sealing a gap formed between the covering part and the area and sealing at least a gap formed between the surrounding part of the discharge opening and the area.

Abstract: In an image forming apparatus defined herein, in case the opening/closing member is rotationally moved from the opened position toward the normal position, when the detachable body main unit is at a restricted position between the attached position and the separated position, the restricting portion is contacted with the restricted portion to be moved between the opening/closing member and the detachable body main unit, so as to restrict a rotational movement of the opening/closing member to the normal position, and, when the detachable body main unit is at the attached position, the restricting portion and the restricted portion that is being rotated are separated from each other to enable the opening/closing member to be rotationally moved to the normal position, and, in case the opening/closing member is moved to the normal position, the restricted portion is housed in a space between the detachable body main unit and the opening/closing member.

Abstract: A powder storage device that stores powder to be supplied or recovered powder, includes: a storage container that is extractably mounted on a container receiver, and in which powder to be supplied or recovered powder is stored; an opening/closing door that opens and closes the container receiver; and an opening/closing restricting mechanism that restricts a closing operation of the opening/closing door, and the opening/closing restricting mechanism includes: a restricting member as defined herein; and a restricted member as defined herein.