Abstract: An image forming apparatus includes a main casing, a developing roller, a connecting tube, and a toner container. The main casing includes a sheet supply tray. The developing roller is provided in the main casing. The connecting tube has one end portion and another end portion inside the main casing. The toner container is for accommodating toner. The one end portion of the connecting tube is connected to the toner container. The toner container has an inlet opening for replenishing toner. The toner container is pivotally movable between a first position and a second position about the connecting tube. A position of the inlet opening at the second position is higher than a position of the inlet opening at the first position.

Abstract: A toner housing includes a reception portion and a discharge port. A reception shutter is attached to the reception portion. The reception shutter is movable between a reception shutter closed position at which a reception port is closed and a reception shutter open position at which the reception port is open. The reception portion is connectable to a toner container configured to store toner that is supplied to the toner housing. The reception port is configured to receive toner from the toner container in a state where the toner container is connected to the reception portion and the reception shutter is located at the reception shutter open position. The reception shutter is rotatable, together with the toner container, between the reception shutter closed position and the reception shutter open position in a state where the toner container is connected to the reception portion.

Abstract: An image-forming apparatus includes a housing, a cover, first and second drum cartridges, first and second exposing heads, first and second guides, a waste toner tube, a shutter driving member, and an interlocking mechanism. Each of the first and second drum cartridges includes: a photosensitive drum rotatable about an axis extending in a first direction; a drum cleaner; a discharging part; and a shutter. The first and second exposing heads are mounted on the cover. The first and second guides guide respective ends of the first and second exposing heads in the first direction while the cover is opened and closed. The shutter driving member is movable in a second direction in interlocking relation to the respective shutters through the interlocking mechanism. The shutter driving member is overlapped with at least one of the first and second guides in a third direction crossing both the first and second directions.

Abstract: A drum frame includes first and second frames supporting a photosensitive drum, and a support frame configured to support a toner cartridge. The support frame is not movable relative to the photosensitive drum. The support frame has a passage opening through which toner from the toner cartridge passes in a state where the toner cartridge is supported by the support frame. A development housing has a reception opening configured to receive toner that has passed through the passage opening. The reception opening is larger than the passage opening. The development housing supports a development roller. The development housing is movable relative to the photosensitive drum. A seal is located around the passage opening and away from the passage opening. The seal is in contact with the support frame and an edge of the reception opening. The seal seals between the support frame and the edge of the reception opening.

Abstract: An image forming apparatus includes a photosensitive drum, a developing device, a toner container, a cleaner, a waste toner container, and a waste toner conveying pipe. The cleaner is configured to clean a peripheral surface of the photosensitive drum after a toner image has been transferred to the printing medium. The waste toner container is configured to accommodate therein waste toner removed from the peripheral surface of the photosensitive drum by the cleaner. The waste toner conveying pipe is configured to convey the waste toner from the cleaner to the waste toner container. The cleaner is located between the photosensitive drum and the fixing device in a vertical direction. The developing device is located below the photosensitive drum. The waste toner container is located below the cleaner. The toner container covers at least a part of an upper surface of the waste toner container.

Abstract: A process unit includes a photosensitive drum rotatable about a rotational axis extending in a first direction. A development unit includes a development roller configured to supply toner to the photosensitive drum. A scanner unit is configured to expose the photosensitive drum. A reception portion is configured to receive toner from a toner container for supplying toner into the development unit. The scanner unit and the photosensitive drum overlap each other as viewed from a second direction perpendicular to the first direction and a gravitational direction. The scanner unit is arranged at a center in the first direction in an apparatus main body. The reception portion is arranged on a same side as the scanner unit with respect to the photosensitive drum in the second direction. The reception portion is closer to an end of the apparatus main body in the first direction than the scanner unit is.

Abstract: A first cover is pivotable between a first cover closed position and a first cover open position about a first pivot axis located at a pivotal end. A process cartridge includes a reception port configured to receive toner from a toner container. A cover main body includes a first portion and a second portion. The first portion extends in a vertical direction in a state where the first cover is located at the first cover closed position. The second portion is connected to an upper end of first portion and extends in a second direction in a state where the first cover is located at the first cover closed position. At least part of the first cover faces the reception port in a state where the process cartridge is attached to a main housing and the first cover is located at the first cover closed 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: A toner housing extends in a first direction. The toner housing stores toner. The toner housing includes a reception portion and a discharge port. The reception portion is located at an end surface of the toner housing at one end in the first direction. The reception portion has a reception port for receiving toner into the toner housing. The discharge port is located between the one end of the toner housing and an other end of the toner housing in the first direction. The discharge port is located on a surface crossing the end surface. The discharge port is for discharging toner in the toner housing. A reception shutter is attached to the reception portion. The reception shutter is movable between a reception shutter closed position at which the reception port is closed and a reception shutter open position at which the reception port is open.

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.

Abstract: An image forming apparatus includes: a main casing; a first cover; a drum cartridge; and a toner cartridge. The main casing has a first opening. The first cover is movable between: a first closed position in which the first cover closes the first opening; and a first open position in which the first opening is opened. The drum cartridge includes a photosensitive drum. The drum cartridge is attachable to and detachable from the main casing through the first opening in a state where the first cover is in the first open position. The toner cartridge is configured to accommodate toner therein. The toner cartridge is attachable to and detachable from the drum cartridge. The first cover has a second opening smaller than the first opening. The second opening allows the toner cartridge to pass therethrough but does not allow the drum cartridge to pass therethrough.

Abstract: An image forming apparatus includes a chassis having an opening, a cover, photosensitive members, an intermediate transfer belt, a primary-transfer member, a secondary-transfer roller, a cleaner device, an external-sheet inlet, a waste toner container, a connector, and a conveying roller, which is arranged within the feeding path to feed the recording sheet inserted through the external-sheet inlet in the feeding path. The conveying roller is mounted on the waste toner container and removable from the chassis along with the waste toner container.

Abstract: There is provided an image forming apparatus including a main casing, an opening-closing member configured to open and close an opening on a side of the main casing and to move between an open position and a closed position, a belt unit configured to move between a first position and a second position, a drum unit configured to move between a third position and a fourth position, a developing device unit configured to move in an arrangement direction of developing rollers, and an interlock mechanism configured such that in response to a movement of the opening-closing member from the closed position to the open position, the belt unit moves from the first position to the second position and the drum unit moves from the third position to the fourth position.

Abstract: An image forming apparatus, including a casing, a toner cartridge, and a process cartridge, is provided. The toner cartridge detachably attached to the casing stores toner therein. The process cartridge detachably attached to the casing includes a developing unit and a drum unit. The developing unit includes a developer roller and a toner conveyer tube. The toner conveyer tube has a first opening, through which the toner from the toner cartridge is acceptable into the toner conveyer tube while the toner cartridge and the process cartridge are attached to the casing. The drum unit includes a photosensitive drum supporting the toner conveyer tube by contacting a circumferential surface of the toner conveyer tube. The developing unit is pivotable with respect to the drum unit with the toner conveyer tube and the drum unit being slidable on each other.

Abstract: A development unit includes a development housing configured to store toner and a development roller rotatable about a development axis extending in a first direction. The development roller supplies the toner in the development housing to a photosensitive drum. The development housing includes a reception port and a slope. The reception port receives toner from a toner container configured to store the toner to be supplied to the development housing. The reception port is located away from the development roller in a second direction crossing the first direction. The slope is located below the reception port in the development housing. The slope includes a first slope portion and a second slope portion. The first slope portion is inclined downward away from the reception port in the first direction. The second slope portion is inclined downward toward the development roller in the second direction.

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 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: A process cartridge mountable on an image forming apparatus includes a photoconductive drum, a developing unit including a developing roller and a toner storage unit. The toner storage includes a first toner storage chamber, a second toner storage chamber located above the first toner storage chamber, a first toner conveying member located in the first toner storage chamber and configured to convey the toner in the first toner storage chamber upward toward the second toner storage chamber in an area wider than the toner discharge outlet in the first direction, and a second toner conveying member located in the second toner storage chamber and configured to convey, in the first direction, the toner in the second toner storage chamber toward the toner discharge outlet.

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: 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.