Abstract: A first cartridge is movable in a first direction through an opening between: a first position inside a housing; and a second position outside the housing. The first cartridge includes a photosensitive drum, a drum frame, and a first handle. The photosensitive drum is rotatable about an axis extending in the first direction. The drum frame supports the photosensitive drum. The first handle is located at a downstream end of the drum frame in a movement direction in which the first cartridge moves from the first position to the second position. A second cartridge is configured to contain toner. The second cartridge is unattachable to and undetachable from the first cartridge in a state where the first cartridge is located at the first position. The second cartridge is attachable to and detachable from the first cartridge in a state where the first cartridge is located at the second position.

Abstract: A drum cartridge is configured to be detachably mounted on an apparatus main body in a state where a toner cartridge is mounted on the drum cartridge. A first shutter and a second shutter are configured such that: when the drum cartridge is mounted onto the apparatus main body in a state where the toner cartridge is mounted on the drum cartridge, the first shutter moves from a first closed position to a first open position and the second shutter moves from a second closed position to a second open position, and when the drum cartridge is detached from the apparatus main body in a state where the toner cartridge is mounted on the drum cartridge, the first shutter moves from the first open position to the first closed position and the second shutter moves from the second open position to the second closed position.

Abstract: A first side frame is apart from a second side frame in a first direction. A photosensitive drum is rotatable about a drum axis extending in the first direction. The photosensitive drum is rotatably supported between the first side frame and the second side frame. A grip portion extends in the first direction. A first connector extends in a second direction perpendicular to the first direction. The first connector connects the first side frame and a first end portion of the grip portion. The second connector extends in the second direction. The second connector connects the second side frame and a second end portion of the grip portion. A scanner unit is configured to expose the photosensitive drum to light. The scanner unit is located between the photosensitive drum and the grip portion as viewed in a third direction which is perpendicular to the first and second directions.

Abstract: An image-forming apparatus includes: a main body; a toner cartridge having a first opening; a process cartridge having a photosensitive drum and a second opening; a positioning part; a transfer unit; and an urging member. The toner cartridge and process cartridge are attachable to and detachable from the main body in an axial direction of the photosensitive drum. The positioning part and transfer unit are positioned above the process cartridge attached to the main body. The positioning part fixes the attached process cartridge in position relative to the main body. The urging member urges the attached process cartridge toward the positioning part and urges the process cartridge such that the toner can be supplied from the toner cartridge to the process cartridge through the first opening and the second opening when the toner cartridge and the process cartridge are attached to the main body.

Abstract: The present disclosure features an image forming apparatus having a first developing unit having a first developing roller; and a first toner supply unit configured to supply toner to the first developing unit, the first toner supply unit having: a first container configured to accommodate the toner therein, the first container having a first inlet opening through which the toner is received in the first container and a first outlet opening through which the toner in the first container is discharged; a first lid configured to close the first inlet opening; and a first shutter configured to open the first outlet opening when the first lid closes the first inlet opening, and to close the first outlet opening when the first lid opens the first inlet opening.

Abstract: An image forming apparatus includes: a housing; a drum cartridge as a first cartridge including a photosensitive drum; a second cartridge accommodating toner; and a drawer movable between an inside position where the drawer in its entirety is positioned inside the housing and an outside position where at least a part of the drawer is positioned outside the housing. The drum cartridge is attachable to and detachable from the drawer. The drawer includes: a side plate configured to receive the photosensitive drum; and a locking member supported by the side plate. The locking member is movable relative to the side plate between a locking position where the locking member locks the photosensitive drum to the side plate and an unlocking position where the locking member unlocks the photosensitive drum from the side plate in an attached state of the drum cartridge to the drawer.

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: An image forming apparatus includes a main-body housing, a drum unit, and a toner cartridge. The drum unit includes a photosensitive drum, a drum frame, a developing roller, a toner-inlet shutter to open and close a toner-inlet opening, a cleaning member, and a collected-toner outlet shutter to open and close a collected-toner outlet opening. The toner cartridge includes a toner casing having a toner container and a collected-toner container, and a shutter-driving member having a transmission device and an operable device. The transmission device is movable by the operable device between a first position, at which the toner-inlet shutter and the collected-toner outlet shutter are located at positions to close the toner-inlet opening and the collected-toner outlet opening, and a second position, at which the toner-inlet shutter and the collected-toner outlet shutter are located at positions to open the toner-inlet opening and the collected-toner outlet opening.

Abstract: An image forming apparatus is provided, including a housing; a drum cartridge; a developing cartridge; a drawer movable between an inner position and an outer position; and a lock member provided on the drawer and movable between a lock position at which the lock member locks the drum cartridge to the drawer, and a release position at which a lock between the drum cartridge and the drawer is released. The lock member includes an operation portion for moving the lock member between the lock position and the release position. The developing cartridge includes a cover member that covers at least a portion of the operation portion in a state in which the drum cartridge is mounted to the drawer, and the developing cartridge is mounted to the drum cartridge.

Abstract: A drum cover is movable relative to a photosensitive drum between a first position at which the drum cover covers a part of a circumferential surface of the photosensitive drum, and a second position at which the drum cover does not cover the part of the circumferential surface of the photosensitive drum. A toner cartridge includes a toner storage portion configured to store toner to be supplied to the photosensitive drum. A drum cartridge includes a toner cartridge guide extending in a second direction crossing a first direction. The toner cartridge guide guides the toner cartridge to move in the second direction when the toner cartridge is being attached to the drum cartridge. A distance from the toner cartridge guide to the drum cover at the second position is longer than a distance from the toner cartridge guide to the drum cover at the first position.

Abstract: A developer cartridge includes a developing roller, a developer housing supporting the developing roller, and a toner storage unit including a first storage chamber capable of storing toner, and a second storage chamber storing the developer housing. The toner storage unit supports the developer housing such that the developer housing is movable with respect to the first storage chamber.

Abstract: An image forming apparatus includes a housing having an opening, a drum cartridge, and a development cartridge. The drum cartridge is movable in a first direction through the opening between a first position at which the drum cartridge is located inside the housing and a second position at which the drum cartridge is located outside the housing. The drum cartridge includes a photosensitive drum rotatable about an axis extending in the first direction and a first handle located at a downstream end of the drum cartridge in a movement direction in which the drum cartridge moves from the first position to the second position. The development cartridge is attachable to and detachable from the drum cartridge. The development cartridge includes a development roller and a second handle located upstream of the first handle in the movement direction in a state where the development cartridge is attached to the drum cartridge.

Abstract: An image forming apparatus may include a photosensitive member, a developing device including a developing roller, pressing members configured to engage with the developing device and springs configured to urge the pressing members. In some examples, each of the pressing members may be configured to contact and move the developing device between various positions based on the urging of the springs. Additionally or alternatively, various ends of a contact surface of the developing roller configured to contact developer may be disposed relative to an axis line of the developing roller and pressing surfaces of the pressing members.

Abstract: An image forming apparatus includes an apparatus main body, a drawer, a drum cartridge, an exposure device, a fixing device, and a toner cartridge. The drum cartridge includes a photosensitive drum, a cleaning member, a developing device, a waste toner conveying pipe, and a frame. The toner cartridge includes a toner container and a waste toner container. The cleaning member is located between the photosensitive drum and the fixing device in a vertical direction in the state where the drum cartridge is mounted to the drawer and the drawer is located at an inner position. The drum cartridge is capable of being mounted to the drawer. The toner cartridge is attachable to and detachable from the drum cartridge.

Abstract: An image forming apparatus includes: a main casing; a drum cartridge; and a developing cartridge. The drum cartridge includes a photosensitive drum having a rotational axis. The drum cartridge is drawable from the main casing in a first direction where the axis of the photosensitive drum extends. The developing cartridge is drawable from the main casing in the first direction. The developing cartridge includes: a developing roller; a front wall; and a first developing-device frame. The front wall is disposed at a downstream end of the developing cartridge in the first direction. The front wall has a first hole. The first developing-device frame supports the developing roller. The first developing-device frame includes a first boss extending in the first direction. The first boss goes through the first hole of the front wall.

Abstract: An image forming apparatus includes a main body housing and a process cartridge demountable from the main-body housing. The process cartridge includes a drum cartridge and a toner cartridge. The drum cartridge includes a photosensitive drum, a drum cleaner, an outlet with an outlet opening, an outlet shutter, and a lever. The lever is pivotable between a first position at which the lever places the outlet shutter closing the outlet opening and a second position at which the lever places the outlet shutter opening the outlet opening. When the lever is located at the first position, the process cartridge is demountable from the main-body housing. When the lever is located at the second position, the process cartridge is disabled to be demounted from the main-body housing.

Abstract: An image-forming apparatus includes: a main body; a toner cartridge having a first opening; a process cartridge having a photosensitive drum and a second opening; a positioning part; a transfer unit; and an urging member. The toner cartridge and process cartridge are attachable to and detachable from the main body in an axial direction of the photosensitive drum. The positioning part and transfer unit are positioned above the process cartridge attached to the main body. The positioning part fixes the attached process cartridge in position relative to the main body. The urging member urges the attached process cartridge toward the positioning part and urges the process cartridge such that the toner can be supplied from the toner cartridge to the process cartridge through the first opening and the second opening when the toner cartridge and the process cartridge are attached to the main body.

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 drum cleaner cleans a circumferential surface of a photosensitive drum. A toner pipe allows passage of toner that is recovered from the drum cleaner to a toner container. The toner pipe has a discharge port configured to discharge toner in the toner pipe. The toner container includes a toner discharge port, a toner reception port, and a toner conveyor. The toner discharge port discharges toner in the toner container. The toner reception port receives toner discharged from the discharge port of the toner pipe. The toner conveyor conveys toner from the toner reception port toward the toner discharge port. A development housing includes a development reception port and a development discharge port. The development reception port receives toner discharged from the toner discharge port. The development discharge port discharges, to the toner pipe, toner that is retuned from the development housing to the toner container.

Abstract: An image forming apparatus, including a process cartridge and a main body with an opening and a cartridge supporter is provided. The process cartridge includes a drum cartridge; a toner cartridge attachable to the drum cartridge; and a switching member switchable states in the process cartridge between a first state, wherein detachment of the toner cartridge is restricted, and a second state, wherein the toner cartridge is released from the restriction. The cartridge supporter is movable between a first position, wherein the cartridge supporter supports the process cartridge to be placed entirely in an inner space in the main body on an inner side of the opening, and a second position, wherein the cartridge supporter supports the process cartridge to be at least partly placed outside the inner space. When the cartridge supporter is in the second position, the switching member is at least partly placed outside the inner space.