Abstract: A powder container includes a powder chamber for containing powder for forming images, a powder outlet formed in a face of the powder container, and a shutter assembly to open and close the powder outlet and including first and second shutters. The first shutter is movable between a sealing position to close the powder outlet and an open position to open the powder outlet and includes a pressed member to cancel retention of the first shutter at the sealing position. The second shutter includes a pressing projection that interferes with the pressed member of the first shutter and is movable between a shielding position to cover the pressed member without interference between the pressing projection and the pressed member and a releasing position to press the pressed member with the pressing projection.

Abstract: A mechanism that enables developer replenishment by a simpler structure and a mechanism that enables more user-friendly developer replenishment are provided. An attachment port to which a developer supply bottle containing a developer stored therein is detachably attachable is disposed in an interior of an image forming apparatus. The developer supply bottle can be attached when the cover is in an open state. According to this image forming apparatus, when the developer supply bottle is attached to the attachment port, the developer inside the developer supply bottle moves into a developer housing chamber by its own weight.

Abstract: A printing apparatus includes a conveyor, a print engine, and a processing device. The conveyor is configured to convey a print medium in a conveyance direction. The print engine includes a print head, and a platen configured to support the print medium conveyed by the conveyor. The print engine is configured to perform image printing on the print medium supported by the platen while moving the print head in a first direction intersecting the conveyance direction. The processing device has a processing unit removably attached thereto. The processing device is configured to perform a processing process to divide the print medium conveyed by the conveyor into a plurality of media. The processing unit has an identification section for identifying a type of the processing process executable by the processing unit.

Abstract: A powder conveying device includes a first conveyor, a first conveyance passage, a fall passage, a second conveyor, and a second conveyance passage. The first conveyor conveys powder in a substantially horizontal direction and is disposed in the first conveyance passage. The powder output from an outlet port of the first conveyance passage is to fall in the fall passage. The second conveyor conveys the powder in the substantially horizontal direction and is disposed in the second conveyance passage that has an inlet port to receive the powder falling in the fall passage. When viewed in a cross section orthogonal to a powder conveyance direction, a cross-sectional area of a space that is not occupied by the first conveyor in the first conveyance passage is larger than a cross-sectional area of a space that is not occupied by the second conveyor in the second conveyance passage.

Abstract: A transport device includes a transport path that includes an opening through which a developer flows into the transport path, an opening and closing portion that is provided to be movable along the transport path and that opens and closes the opening, and a transport body that is disposed in the transport path, that includes a blade formed in a spiral shape on an outer periphery of a shaft portion, that transports the developer flowing into the transport path through the opening and moves the opening and closing portion to an opening position with the blade by rotating forward, and that idly rotates with respect to the opening and closing portion moved to the opening position in a case of forward rotation.

Abstract: A developing device includes: a rotating member that passes a developer while rotating to an image holding body on which a latent image is formed; a housing in which a circulation path through which the developer to be supplied to the rotating member circulates and a branch path that is branched from the circulation path and through which a part of the developer is transported are formed; and a wall portion that forms the branch path at a part of the housing and in which an output port from which the developer is output to an outside and an exhaust port from which air in the branch path is output to the outside above the output port are formed.

Abstract: An image forming apparatus, having a main housing, a first photosensitive drum, a second photosensitive drum, a first developing device to supply toner to the first photosensitive drum, a second developing device to supply toner to the second photosensitive drum, a first reloading device to reload the first developing device with the toner, and a second reloading device to reload the second developing device with the toner, is provided. The first reloading device has a first reloading port, which accepts the toner for reloading the first developing device. The first reloading port is openable to an outside of the main housing. The second reloading device has a second reloading port, which accepts the toner for reloading the second developing device. The second reloading port is openable to the outside of the main housing.

Abstract: A powder container includes a nozzle receiving opening, a container body, a nozzle receiver including the nozzle receiving opening; a gear, and two scoops. Further, there is a shutter to open and close the nozzle receiving opening, a spring to bias the shutter, two protrusions which protrude away from the nozzle receiving opening. The scoops extend in the longitudinal direction along a first length, the protrusions extend in the longitudinal direction along a second length, and a position of the first length and a position of the second length at least partly overlap along the longitudinal direction. The powder dropped from the higher position enters the region by passing between the protrusions when the scoops are rotated about the rotational axis, and the protrusions are rotated, due to the rotation of the gear, around the region when the scoops are rotated about the rotational axis.

Abstract: An image forming apparatus having a detachable replenishment container includes an image bearing member, a developer container, a developing bearing member to develop an electrostatic latent image formed on the image bearing member into a toner image by using toner accommodated in the developer container, and a replenishment port through which the developer container can be replenished with toner from the replenishment container. A restriction member transitions between an allowance state in which the replenishment container and the replenishment port communicate with each and a restriction state in which the replenishment container and the replenishment port are not made to communicate with one another.

Abstract: An image forming apparatus includes a fixing device, a power supply, a toner container, a cover, a first harness, and a second harness. The power supply supplies power to the fixing device. The toner container compartment is between the fixing device and the power supply and receives a toner container. The cover is on the toner container compartment and moves into the toner container compartment. The first harness is coupled to the power supply, and the second harness is coupled to the fixing device. The second harness is detachably coupled to the first harness above the cover.

Abstract: According to examples, an apparatus may include a processor that may generate a migration assessment for resources of a computer system. In particular, the apparatus may logically divide topological information to facilitate identification of a resource, components used by the resource, and dependencies. The system further enables users to specify user-defined migration parameters that specify the migration. For instance, the parameters may specify a cost associated with the migration of the component, a license model of the component, a security requirement of the component, a performance of the component, a customization of the component, or requirement of the component. Migration assessments and decisions may be stored to train machine-learned models. For instance, the model may assess whether a parameter will be satisfied by using a certain cloud service and whether substitutes have sufficiently satisfied dependencies based on observed migration assessments and actual migrations.

Abstract: A developing device includes a detachably mounted developer supply container configured to supply a developer with compressed air. A developer storage container includes a first opening portion through which the developer is supplied from the developer supply container to the developer storage container with the compressed air, a filter provided on a wall constituting the developer storage container to permit passage of air and restrict passage of the developer, and a stirring member to stir the developer. The developer storage container further includes a second opening portion through which the developer is supplied to a developing portion provided with a developing member. The filter is disposed between the first opening portion and the second opening portion in a rotational axis direction of the stirring member and disposed closer to the second opening portion.

Abstract: An image forming system includes an image forming and a server. The image forming device includes a controller configured to operate in accordance with a normal mode or a contract mode. The server is configured to perform transmitting, to the image forming device, an operation mode changing instruction to set an operation mode of the controller to one of a normal mode or a contract mode in accordance with an operation mode changing request. The image forming device is configured to set the operation mode in accordance with the operation mode setting instruction.

Abstract: An image forming apparatus includes a first unit movable to a first inside position of a main assembly and a second unit movable to a second inside position of the main assembly. The first unit includes a first shutter that is rotatable from a first position in which the first shutter opposes a surface of an image bearing member and covers a part of the surface of the image bearing member to a second position in which the first shutter opens the part of the surface of the image bearing member. The second unit includes a second shutter provided with a second contacting portion, with the second shutter being rotatable from a third position in which the second shutter opposes a surface of a developing member and covers a part of the surface of the developing member to a fourth position in which the second shutter opens the part of the surface of the developing member.

Abstract: A developing unit, which is attachable to and detachable from a photosensitive member unit, includes: a developing roller; a housing in which a holding space that holds toner is formed; and a pressing receiving portion that receives pressing force from a pressing member. The housing includes a first bottom portion that projects toward an outer side of the holding space, and a second bottom portion that projects toward the outer side of the holding space, in a state in use. When viewed in a direction of a rotation axis of the developing roller, at least part of the pressing receiving portion is located in a space surrounded by the first bottom portion, the second bottom portion, and a tangent line tangent to both an outer wall of the first bottom portion and an outer wall of the second bottom portion.

Abstract: A developing cartridge includes: a developing roller; a coupling for rotating the developing roller; a shaft; and a clutch. The developing roller is rotatable about a first axis extending in an axial direction. The coupling is rotatable about a second axis extending in the axial direction. The shaft rotatably supports the coupling. The clutch is rotatable together with the coupling about the shaft in a case where the coupling rotates in a first rotational direction. In a case where the coupling rotates in a second rotational direction opposite to the first rotational direction, the clutch engages with a portion of the shaft and the clutch and the coupling do not rotate.

Abstract: A developing device includes a developer cartridge and a developing unit. The developer cartridge, in some instances, may include a shutter. This shutter may have a wall for closing a developer supply hole, and be movable, with respect to a developer cartridge casing, between an open position where the supply hole is opened by the wall and a closed position where the supply hole is closed by the wall. The shutter may further include a protrusion that is movable with respect to the wall of the shutter between a first position and a second position in an axial direction. The protrusion, in the first position, is engageable with a developing unit and, in the second position, would be disengaged from the developing unit.

Abstract: A powder conveying device includes: a conveying nozzle, provided with a powder receiving opening; an open/close member to open/close the powder receiving opening; a flange provided to the open/close member; a biasing member to bias the open/close member; and a container setting section to which a part of a powder container is to be fit. The powder container includes: a conveyor to convey the powder from a second end of the powder container to a first end; a container opening protruding from the first end; a nozzle receiving opening into which the conveying nozzle is to be inserted; and a butting portion provided in the container opening, to butt against the flange. When the powder container is attached to the powder conveying device, the container opening is fitted to the container setting section, and the flange and the biasing member are housed in an inner space of the container opening.

Abstract: A toner container includes a housing having a toner reservoir. An input gear is positioned on the housing for mating with a corresponding output gear in an image forming device when the toner container is installed in the image forming device. A toner agitator is movably positioned in the reservoir. The toner agitator is operatively connected to the input gear such that rotation of the input gear in a first rotational direction causes movement of the toner agitator for agitating toner in the reservoir. An encoded member is encoded with authentication information of the toner container and is operatively connected to the input gear such that rotation of the input gear in a second rotational direction causes movement of the encoded member for communicating the authentication information of the toner container to a controller of the image forming device when the toner container is installed in the image forming device.

Abstract: An image forming apparatus including a housing, a toner cartridge, and a drum unit. The drum unit is movable through the opening between an accommodated position where the drum unit is positioned in the housing and a pulled-out position where the drum unit is pulled out of the housing. The drum unit includes a photosensitive drum and a developing unit. The photosensitive drum is rotatable about a first axis extending in a second direction. The developing unit includes a magnetic roller, a developer container, a first auger and a second auger. The magnetic roller is positioned between the toner cartridge and the photosensitive drum. The magnetic roller faces a surface of the photosensitive drum. The developer container is formed with an inlet allowing the toner to be replenished from the toner cartridge. The first auger is positioned in the developer container. The second auger is positioned in the developer container.

Abstract: A first development chamber accommodates an agitator. A second development chamber accommodates a development roller and a supply roller. The second development chamber is located above the first development chamber. A toner cartridge contains toner to be supplied to the first development chamber. A transfer device is located above a photosensitive drum in a state where a drum unit is attached to a main housing. The transfer device transfers toner on the photosensitive drum to a sheet. An agitator includes a shaft and a blade. The shaft is rotatably supported by a development housing. The blade is rotatable together with the shaft. The blade has a first end fixed to the shaft and a second end located away from the first end. The agitator is configured such that, when rotated, the second end of the blade reaches a height of an opening in the development housing in a vertical direction.

Abstract: An image forming apparatus is capable of being attached with a toner supply container. The toner supply container stores a toner that is to be supplied to a developing portion. An attachment location of the toner supply container is below a light scanning portion in a vertical direction.

Abstract: An example image forming apparatus includes a toner cartridge, a photoconductive cartridge including a photosensitive drum, a development cartridge including a toner inlet portion and rotatable between a first position at which a developing roller is close to the photosensitive drum and a second position at which the developing roller is apart from the photosensitive drum, with respect to a hinge axis that is parallel to an axial direction of the developing roller and between the developing roller and the toner inlet portion, a buffer unit including a toner discharge portion to receive toner from the toner cartridge and to supply the toner to the development cartridge, and a toner supply duct connecting the toner discharge portion to the toner inlet portion, the toner supply duct being rotatably connected to the toner discharge portion in a direction allowing rotation of the development cartridge between the first and the second position.

Abstract: An image-forming apparatus includes: a main casing; a drawer movable in a first direction relative to the main casing; a process cartridge detachably mountable on the drawer; and a toner cartridge. The drawer includes a first drawer side plate and a second drawer side plate spaced apart from each other in a second direction crossing the first direction. The process cartridge includes: a photosensitive drum rotatable about an axis extending in the second direction when the process cartridge is mounted on the drawer; and a developing device for supplying toner to the photosensitive drum. When the process cartridge is mounted on the drawer and the toner cartridge is attached to the process cartridge, the toner cartridge has a length in the second direction greater than a distance in the second direction between the first drawer side plate and the second drawer side plate.

Abstract: A powder storage device includes a container housing and a powder storage. The container housing is configured to allow the powder container to rotate around a rotation axis ?. When the powder container is rotated from an installing position to a predetermined position in a peeling-off rotation direction around the rotation axis ?, a supply port moves to a position corresponding to a receiving port, a bonder in which the sealer adheres to the powder container is peeled off, and thus the supply port and the receiving port are interconnected.

Abstract: An image forming apparatus to and from which a replenishment container accommodating toner is attachable includes a replenishment port to allow replenishment of toner from the replenishment container, which is arranged outside of the image forming apparatus, to a developer container therethrough in a state where the replenishment container is attached to the replenishment port, an opening/closing portion to open and close the replenishment port, and a locking member to move between a restricting position in which the locking member restricts movement of the opening/closing portion from the closed position to the open position, and an allowing position in which the movement of the opening/closing portion from the closed position to the open position is allowed. A controller maintains, when the replenishment container is attached to the replenishment port, the locking member in the restricting position in a case where a lifetime of the cartridge is less than a threshold.

Abstract: A first contact portion provided on a first shutter member that opens and closes a receiving port for receiving a developer from a cartridge and a second contact portion provided on the cartridge are configured to contact each other in an attachment and detachment direction of the cartridge so that the first shutter member is in a position at which the receiving port is opened. The first shutter member is urged by a first urging member so that a contacting state between the first contact portion and the second contact portion is maintained until a second shutter member that opens and closes a supplying port of the cartridge closes the supplying port when the cartridge is discharged from the apparatus body.

Abstract: A developer supply container and an electrophotography imaging apparatus using the developer supply container, relating to the field of electronic imaging apparatuses. The developer supply container comprising an accommodating cylinder and a feeding member is provided in the accommodating cylinder, wherein an outer surface of the accommodating cylinder is provided with a driving receiving portion. The developer supply container is further provided with a housing located at an end of the accommodating cylinder, the housing is provided with a powder outlet. A first storage portion is provided at an end of the feeding member close to the housing, a second storage portion in communication with the first storage portion is provided in the housing, the second storage portion is in communication with the powder outlet, and the second storage portion is provided with a stirring device therein.

Abstract: A mechanism that enables developer replenishment by a simpler structure and a mechanism that enables more user-friendly developer replenishment are provided. An attachment port to which a developer supply bottle containing a developer stored therein is detachably attachable is disposed in an interior of an image forming apparatus. The developer supply bottle can be attached when the cover is in an open state. According to this image forming apparatus, when the developer supply bottle is attached to the attachment port, the developer inside the developer supply bottle moves into a developer housing chamber by its own weight.

Abstract: An example device to develop an electrostatic latent includes first and second passages coupled to each other through first and second openings. A first stir-and-transport member located in the first passage includes a first helical blade to stir and transport a developer along the first passage in a first direction and to supply the developer to a developing roller. A second stir-and-transport member located in the second passage includes a second helical blade to stir and transport the developer along the second passage in a second direction. A developer discharge pipe is coupled to the developer container to communicate with a downstream side of the first passage. The first stir-and-transport member includes a first reverse helical blade having a pitch between approximately 0.5 times and 1.5 times the pitch of the first helical blade and located downstream of the first helical blade and disposed downstream of the second opening.

Abstract: An example toner refill cartridge includes a body to accommodate toner and having a toner discharge hole, a shutter being rotatable between a first position at which the toner discharge hole is closed and a second position at which the toner discharge hole is opened, a coupler to rotate by receiving an external rotational force, an agitation member to rotate and agitate the toner by receiving a rotational force from the coupler, and a connection member to selectively transmit a rotational force of the coupler to the shutter.

Abstract: A cartridge includes a casing including a toner storage chamber storing toner and a toner discharge chamber having an outlet, a conveyance member conveying the toner from the toner storage chamber to the toner discharge chamber, an action member attached to the conveyance member and repeating an action of shifting between an entering state of entering the outlet and a retraction state of retracting from the outlet, and a pump expanding and contracting to be shifted between a first state and a second state in which the internal space is smaller in volume than in the first state, the pump putting air into the toner discharge chamber by being shifted from the first state to the second state, thereby discharging the toner from the toner discharge chamber through the outlet, and the pump taking in air by being shifted from the second state to the first state.

Abstract: A toner cartridge according to one example embodiment includes a reservoir for holding toner. An outlet is positioned on a front of the toner cartridge for exiting toner from the toner cartridge. First, second and third electrical contacts are positioned on a first side of the toner cartridge for contacting corresponding first, second and third electrical contacts in an image forming device. Each of the first, second and third electrical contacts of the toner cartridge is electrically connected to a respective imaging component positioned on the toner cartridge. The first, second and third electrical contacts of the toner cartridge are positioned such that an imaginary line that angles downward in a direction from a rear of the toner cartridge toward the front of the toner cartridge passes through the first, second and third electrical contacts of the toner cartridge.

Abstract: A toner sealing system is described including a seal having first and second alignment features. The seal is selectably installable on one of a first toner container of a first type and a second toner container of a second type. The first alignment feature is matable with a first corresponding alignment feature on the first toner container when the seal is installed on the first toner container for aligning the seal to the first toner container. The second alignment feature is matable with a second corresponding alignment feature on the second toner container when the seal is installed on the second toner container for aligning the seal to the second toner container. Embodiments include those wherein the first alignment feature does not align the seal to the second toner container, and the second alignment feature does not align the seal to the first toner container.

Abstract: A powder conveying device includes: a conveying nozzle, provided with a powder receiving opening; an open/close member to open/close the powder receiving opening; a flange provided to the open/close member; a biasing member to bias the open/close member; and a container setting section to which a part of a powder container is to be fit. The powder container includes: a conveyor to convey the powder from a second end of the powder container to a first end; a container opening protruding from the first end; a nozzle receiving opening into which the conveying nozzle is to be inserted; and a butting portion provided in the container opening, to butt against the flange. When the powder container is attached to the powder conveying device, the container opening is fitted to the container setting section, and the flange and the biasing member are housed in an inner space of the container opening.

Abstract: A recovery container includes a container body, a discharge port, an opening/closing part, a guide part, and an inclination suppressing part. The container body with a recovery path is removably attached to an attachment target. The powder transported through the recovery path is discharged to outside through the discharge port. The opening/closing part closes the discharge port. In an attached state in which the container body is attached to the attachment target, the opening/closing part is push-opened by a periphery of a recovery port provided in the attachment target. The guide part extends in the attachment direction of the container body to guide movement of the opening/closing part. The inclination suppressing part comes into contact with a portion of the attachment target before the periphery of the recovery port comes into contact with the opening/closing part to suppress inclination of the container body.

Abstract: A powder container contains powder and is attached to an image forming apparatus including: a conveying nozzle to convey the powder; a powder receiving hole of the conveying nozzle to receive the powder from the powder container; an apparatus main-body gear to transmit a driving force to the powder container; and a container receiving section including the conveying nozzle and receiving the powder container. The powder container includes: an opening at one end of the powder container in a longitudinal direction; a nozzle receiver at the opening to receive the conveying nozzle; a conveyor to convey the powder; and a container gear to drive the conveyor by meshing with the apparatus main-body gear. The container gear is to mesh with the apparatus main-body gear at a position closer to the opening than the powder receiving hole in the longitudinal direction. The opening is to mate with the container receiving section.

Abstract: An imaging system includes a casing with a developing chamber, a developing roller which is located inside the developing chamber and which carries a toner, and a conveying path which is located adjacent to the developing chamber inside the casing and is used to circulate the toner and to supply the toner to the developing roller. A discharge path includes an inlet, an outlet, and an intermediate portion between the inlet and the outlet. The inlet communicates with the developing chamber in the casing and is located outside the conveying path. The outlet is located between the developing roller and a photoreceptor. The intermediate portion is located outside the casing.

Abstract: A powder conveying device includes: a conveying nozzle, provided with a powder receiving opening; an open/close member to open/close the powder receiving opening; a flange provided to the open/close member; a biasing member to bias the open/close member; and a container setting section to which a part of a powder container is to be fit. The powder container includes: a conveyor to convey the powder from a second end of the powder container to a first end; a container opening protruding from the first end; a nozzle receiving opening into which the conveying nozzle is to be inserted; and a butting portion provided in the container opening, to butt against the flange. When the powder container is attached to the powder conveying device, the container opening is fitted to the container setting section, and the flange and the biasing member are housed in an inner space of the container opening.

Abstract: An image forming apparatus includes a process unit and a toner cartridge. The toner cartridge includes a cartridge housing having a first shutter and a second shutter. The process unit includes a conveying tube. The cartridge housing is movable between a first position and a second position. The first position is a position in which (a) the first shutter is positioned at a first open position, (b) the second shutter is positioned at a second open position, and (c) a second opening is aligned with the conveying tube in a second direction. The second position is a position in which (a) the first shutter is positioned at a first closed position, (b) the second shutter is positioned at a second closed position, (c) the second opening is spaced apart from the conveying tube, and (d) the toner cartridge is mountable and removable on and from the process unit.

Abstract: A system with a container including a protrusion, and a receiver to receive the container. The receiver includes a slide block that is movable relative to a body of the receiver, the slide block including two surfaces, a first surface, initially contacted by the protrusion of the container during insertion of the container into the receiver, having a first slope to resist movement of the container towards the receiver, and a second surface, subsequently contacted by the protrusion of the container during the insertion of the container into the receiver, having a second slope to interact with the protrusion of the container to assist movement of the container towards the receiver. This construction provides the user with a changing insertion force to indicate proper mounting of the container.

Abstract: An example toner refill cartridge includes a body to contain toner, a toner discharge unit, located at a first end portion of the body in a longitudinal direction, to discharge the toner, a plunger, inserted into the body and movable between a top dead position adjacent to a second end portion of the body and a bottom dead position adjacent to the first end portion, to push the toner toward the toner discharge unit, a locking member, removably coupled with the plunger, to lock the plunger at the top dead position, a pulverization member, including a wing portion extending in a radial direction, coupled with the plunger and movable between a first portion adjacent to the first end portion and a second position adjacent to the second end portion, and an elastic member to apply an elastic force to the pulverization member.

Abstract: A toner transport apparatus includes a toner, a transport container having a transport path for transporting the toner toward the developing apparatus, and a pipe through which the toner is transported from the toner container to the transport container, with the pipe having an outlet hole from which the toner is discharged into the transport container. An air pump transports the toner from the toner container to the transport container, and an optical sensor includes a light-emitting element to emit a light and a light-receiving element to receive the light so that an optical path from the light-emitting element to the light-receiving element intersects with a passage area of the toner through which the toner passes after being discharged from the outlet hole of the pipe and before landing at a landing point of the transport container.

Abstract: Examples of a print particle replenishment device for replenishing a host device are described herein. In some examples, the print particle replenishment device includes an output assembly to output print particles, comprising an interfacing portion. In some examples, the print particle replenishment device includes a plurality of contact pads disposed on an outer portion of the output assembly to rotate with the output assembly when opening a channel of the print particle replenishment device.

Abstract: An image forming apparatus includes an image forming unit that forms an image, a developer accommodation part that supplies a developer, a developer supply duct that is disposed between the image forming unit and the developer accommodation part, a shutter member that reciprocates between an open position and a closed position wherein the developer is allowed to pass through the shutter member when the shutter member is at the open position, and the developer is blocked with the shutter member when the shutter member is at the closed position, a first operation part that comprises an engaging part, which engages with the image forming unit, and moves the shutter member either to the open position or to the closed position, wherein the first operation part causes the engaging part to disengage from the image forming unit when the shutter member exists at the closed position.

Abstract: An image forming apparatus includes a first display portion to display a ratio of an amount of toner accommodated in the developer container to a maximum amount of toner that the developer container is capable of accommodating, and a controller to, in a case where a replenishment operation, in which toner is supplied from the replenishment container to the replenishment port, is performed when a second display portion is in a second state, switch the second display portion from the second state to a first state and perform a display processing of displaying, on the first display portion, the ratio corresponding to an amount of toner accommodated in the developer container after the replenishment operation.

Abstract: A cartridge unit includes: a first unit which includes a first supporting portion and a second supporting portion; and a second unit which includes a first supported portion, a second supported portion, and a storage member, the storage member including a memory contact, and a contact arrangement surface on which the memory contact is disposed. The second unit rotates from a first position to a second position in a state in which the first supported portion is supported by the first supporting portion and the second supported portion is supported by the second supporting portion to be positioned with respect to the first unit. A normal direction of the contact arrangement surface faces toward a direction in which the memory contact is exposed. The normal direction faces toward a direction opposite to a direction in which the second unit is directed from the first position to the second position.

Abstract: Provided is a developer replenishing container including: a developer containing part capable of containing a developer; a discharge port through which the developer contained in the developer containing part is discharged; a conveyance part conveying the developer in the developer containing part by rotating; and a displacement part displaceable in conjunction with rotation of the conveyance part in the developer in a vicinity of the discharge port, and including a moving member capable of reciprocating in conjunction with the rotation of the conveyance part and a biasing member which biases the moving member and which is expandable according to movement of the moving member.

Abstract: A powder conveying device includes: a conveying nozzle, provided with a powder receiving opening; an open/close member to open/close the powder receiving opening; a flange provided to the open/close member; a biasing member to bias the open/close member; and a container setting section to which a part of a powder container is to be fit. The powder container includes: a conveyor to convey the powder from a second end of the powder container to a first end; a container opening protruding from the first end; a nozzle receiving opening into which the conveying nozzle is to be inserted; and a butting portion provided in the container opening, to butt against the flange. When the powder container is attached to the powder conveying device, the container opening is fitted to the container setting section, and the flange and the biasing member are housed in an inner space of the container opening.

Abstract: A toner cartridge includes a toner lock member. A developing unit includes a developing lock member configured to lock a developing shutter in a first closed position in a state where the toner cartridge is detached from the developing unit. When the toner cartridge is detached from the developing unit, the toner lock member is in a lock position. When the toner cartridge is attached to the developing unit, the casing is pivotable relative to the developing unit between a first position and a second position. When the casing is at the first position, the toner shutter closes a toner opening and the developing shutter is at the first closed position. When the casing is at the second position, the toner shutter opens the toner opening, the toner lock member is in an unlock position, and the developing shutter is at the first open position.