Abstract: An image forming apparatus includes: a housing; a process cartridge including a photoconductive drum and a developing roller; a toner cartridge containing toner; and a drawer movable between an inner position and an outer position. The process cartridge includes a lock member movable between a lock position at which the lock member locks the process cartridge to the drawer, and a release position at which a lock between the process cartridge and the drawer is released. The lock member is located at the lock position in a state in which the process cartridge is mounted to the drawer, and the toner cartridge is mounted to the process cartridge. The lock member is located at the release position in a state in which the process cartridge is mounted to the drawer, and the toner cartridge is removed from the process cartridge.

Abstract: An image forming apparatus includes a housing and a first process cartridge. The first process cartridge is attachable to and detachable from the housing. The first process cartridge includes a first photosensitive drum, a first developing roller, and a developing frame. The developing frame has a toner inlet opening. A toner cartridge has a toner supply opening. The toner cartridge is positioned above the developing frame such that the toner supply opening and the toner inlet opening face with each other in upward/downward direction. In the state where the first process cartridge to which the toner cartridge is attached is attached to the housing, the toner cartridge is incapable of being detached from the first process cartridge. In a state where the first process cartridge to which the toner cartridge is attached is detached from the housing, the toner cartridge is detachable from the first process cartridge.

Abstract: An image forming apparatus includes a main body housing, a drawer, a drum cartridge, and a toner cartridge. The drawer includes a waste toner conveying pipe and a lock member. In a state where the toner cartridge is mounted on the drum cartridge, the drum cartridge is mounted on the drawer, the drawer is located at a drawn-out position, and the lock member is located at a lock position, the toner cartridge is detachable from the drum cartridge.

Abstract: An image forming device is provided with a housing formed with an opening, a cover configured to move between a closing position and an opening position, and a plurality of process cartridges including a first process cartridge and a second process cartridge. The first and second process cartridges respectively include first and second photosensitive drums configured to rotate about first and second drum axes both extending in a first direction. The first and second developing devices are configured to supply toner to the first and second photosensitive drums, respectively. The first and second supplying devices are formed with first and second supply ports through which the toner to be supplied to the first and second developing devices are provided, respectively. Both the first and second supplying ports are opened to outside the housing.

Abstract: An image forming apparatus includes a main body housing, a drawer, and a toner cartridge. The main body housing includes a first wall arranged at a first direction side of the main body housing and having a first opening, a second wall arranged at a second direction side perpendicular to the first direction and having a second opening, a first door at the first opening, and a second door at the second opening. The drawer supports a drum cartridge having a photosensitive drum. When the first door is opened, the drawer is movable between an inner position where the drawer is located inside the main body housing and an outer position where the drawer is located outside the main body housing. When the second door is opened, the toner cartridge is detachable from and is attachable to the main body housing through the second opening in the second direction.

Abstract: An image forming apparatus includes a housing, a top cover having an opening, a process cartridge attachable to the housing, a toner cartridge attachable to the process cartridge, and an interlocking mechanism. The top cover is pivotally movable between a first position closing the opening and a second position opening the opening. In a state where the toner cartridge is attached to the process cartridge, the toner cartridge is pivotally movable between an attachment/detachment position where the toner cartridge is attachable to and detachable from the process cartridge; and a fixed position where the toner cartridge is fixed to the process cartridge. The interlocking mechanism is configured to pivotally move the toner cartridge to the attachment/detachment position when the top cover is moved to the second position, and to pivotally move the toner cartridge to the fixed position when the top cover is moved to the first position.

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 cartridge includes a housing configured to contain toner. The housing includes a main body, a first side plate, and a second side plate. The main body has a tubular shape extending in a first direction. The main body is made of paper. The first side plate is located at one end of the main body in the first direction. The first side plate is made of resin. The second side plate located at an other end of the main body in the first direction. The second side plate is made of resin. The main body includes a peripheral surface having a discharge opening. The discharge opening is configured to discharge toner in the housing.

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: 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 photosensitive drum is rotatably supported in a main body. A developing cartridge is detachably mountable on the main body in a state where the photosensitive drum is supported in the main body. The developing cartridge includes a developing device and a frame. The developing device includes a developing roller disposed in confrontation with the photosensitive drum to supply developer to the photosensitive drum when the developing cartridge is mounted in the main body, and a developer-accommodating portion configured to accommodate developer. The frame includes a waste-developer-accommodating portion configured to accommodate waste developer and supports the developing device that is movable relative to the frame. The frame is disposed on an opposite side of the developing roller from the photosensitive drum. An urging member is disposed between the frame and the developing device to urge the developing roller toward the photosensitive drum.

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: 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 includes a housing and a first process cartridge. The first process cartridge is attachable to and detachable from the housing. The first process cartridge includes a first photosensitive drum, a first developing roller, and a developing frame. The developing frame has a toner inlet opening. A toner cartridge has a toner supply opening. The toner cartridge is positioned above the developing frame such that the toner supply opening and the toner inlet opening face with each other in upward/downward direction. In the state where the first process cartridge to which the toner cartridge is attached is attached to the housing, the toner cartridge is incapable of being detached from the first process cartridge. In a state where the first process cartridge to which the toner cartridge is attached is detached from the housing, the toner cartridge is detachable from the first process cartridge.

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: 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: 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, including a main chassis having a discharge tray and a switchback tray in an upper position with respect to the discharge tray; an image forming unit; a discharge roller to discharge a recording sheet conveyed through the image forming unit onto the discharge tray; a duplex conveyer to invert the sheet and convey the inverted sheet to return to the image forming unit; and a switchback roller being rotatable in a normal direction to convey the sheet toward the switchback tray and a reverse direction to convey the sheet to the duplex conveyer; is provided. The main chassis includes a pair of walls, each of which extends in a vertical direction and in a conveying direction of the sheet and is arranged in adjacent to the switchback tray such that the switchback tray is interposed between the pair of walls.

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: 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.