Abstract: An electrophotographic image forming apparatus for forming an image on a recording material includes an electrophotographic photosensitive drum and a developing cartridge including a developing roller for developing an electrostatic latent image formed on the electrophotographic photosensitive drum. A cartridge supporting member is movable, while detachably mounting the developing cartridge, between an inside position which is inside of the main assembly of the apparatus to mount the developing cartridge to the main assembly of the apparatus and an outside position that is outside of the main assembly of the apparatus to remove the developing cartridge from the main assembly of the apparatus.

Abstract: A cartridge mountable to a printer, said printer including a coupling guide contactable to a coupling of the cartridge to guide the coupling member. A case of the cartridge is provided with a hole for exposing a free end portion of the coupling to an outside of the cartridge, and a retracted portion provided in downstream of the hole with respect to the mounting direction of the cartridge. When the cartridge is mounted to a main assembly of the printer, the coupling guide enters the retracted portion from which the coupling member has retracted.

Abstract: An image forming apparatus includes an image forming portion that forms a toner image on a photosensitive member in accordance with image information, an intermediate transfer member that carries the toner image transferred from the photosensitive member, a transfer portion that transfers the toner image carried by the intermediate transfer member onto a recording medium, a cleaning portion that collects toner remaining on the intermediate transfer member, and a toner collecting container into which the toner conveyed from the cleaning portion is collected. In the image forming apparatus, the toner collecting container is disposed in a region above the intermediate transfer member.

Abstract: A moving apparatus includes: an exposure unit that forms a latent image by exposure; a support unit that supports the exposure unit so that the exposure unit is displaceable, a guide groove guiding a movement of the support unit to move the exposure unit between an exposure position and a retracted position; a first link unit that includes a first shaft portion, and a second shaft portion that swings about the first shaft portion to transmit force used to move the exposure unit; a second link unit that connects the support unit and the second shaft portion of the first link unit; and a coupling shaft that connects the support unit and the second link unit and is guided by the guide groove.

Abstract: A first drawer configured to support a drum cartridge moves in a first direction between a first mount position and a first detachment position. A second drawer configured to support a development cartridge moves in the first direction between a second mount position and a second detachment position. The second drawer is located between the first drawer located at the first mount position and a cover located at a closed position with respect to the first direction in a state where the second drawer is located at the second mount position. A lock member moves between a lock position at which the first drawer and the second drawer are locked together and a lock release position at which a lock state between the first drawer and the second drawer is released. A lock release member causes the lock member at the lock position to move to the lock release position.

Abstract: A first cartridge support is configured to support a drum cartridge. The first cartridge support is configured to move in a first direction between a first position at which the drum cartridge is mounted on a housing and a second position at which the drum cartridge is detachable. A second cartridge support is configured to support a development cartridge. The second cartridge support is configured to move in the first direction between a third position at which the development cartridge is mounted on the drum cartridge and a fourth position at which the development cartridge is detachable. In a state where the second cartridge support is located at the third position, the second cartridge support is located between the first cartridge support located at the first position and a cover located at a closed position with respect to the first direction.

Abstract: The present disclosure provides a developer supply container and a developer supply method using the same. The developer supply container includes a container body, a piston rod and a piston sealing element. The piston sealing element is inserted into the container body; an outer side of an end of the piston rod is fixedly connected with a bolt; a first conductive iron sheet is provided near to a front side of an end of the bolt, a lower side of the first conductive iron sheet is provided with a second conductive iron sheet, and an end of each of the first conductive iron sheet and the second conductive iron sheet is electrically coupled with a processor chip fixed at the container body; and the end of the container body away from the piston rod is provided with a powder outlet deviating from a center of the container body.

Abstract: When an optical print head is positioned at an evacuation position, at least a part of a region where a first member and a third link member overlap with each other in the direction of a pivotal axis of the third link member rotating relative to the first link member overlaps with a sliding portion in the pivotal axis direction.

Abstract: A toner detection device of a waste toner container having a housing includes a rotational wheel, a transmission member and a resilient member. The rotational wheel is rotatably disposed to the housing and provided with a first abutment portion. The transmission member including a second abutment position is connected with the rotational wheel in a way that the transmission member is rotatable with the rotational wheel and moveable relative to the rotational wheel between a first position and a second position. Two ends of the resilient member are respectively abutted against the first and second abutment portions in a way that the second abutment portion approaches the first abutment portion and the transmission member is rotatable relative to the rotational wheel with the transmission member moving from the first position to the second position.

Abstract: With a structure in which a coupling member includes a sphere providing a center of inclination (pivoting), a rotational force transmitted member has an opening have a diameter smaller than that of the sphere, and the coupling member is prevented from disengaging from rotational force transmitted member by contact of inner edge of the opening to the sphere, the inner edge of the opening may limit an inclinable (pivotable) angle range of the coupling member. In a state that a pin 88 which is a shaft portion is inserted in a hole 86b which is a through-hole provided in a coupling member 86, opposite end portions of the pin 88 are supported by a driving side flange 87 which is a rotational force transmitted member. The coupling member 86 and the driving side flange 87 and the pin 88 are connected in this manner, and the pin 88 contact the inside of the hole 86b without limiting the inclinable (pivotable) angle range, by which the coupling member 86 is prevented from disengaging from the driving side flange 87.

Abstract: A moving mechanism includes a moving object to be moved between a first position and a second position where the moving object takes a stationary orientation different from a stationary orientation for the first position; a first projection and a second projection provided at different positions, respectively, on the moving object; a member having a first guiding groove that guides the first projection when the moving object is moved between the first position and the second position; and a member having a second guiding groove that guides the second projection when the moving object is moved between the first position and the second position, the second guiding groove having a different shape from the first guiding groove.

Abstract: A cabinet includes a first body side engagement and a second body side engagement mounted on a body and a first cover side engagement and a second cover side engagement mounted on a cover. Slide restriction faces of the first cover side engagement and the second cover side engagement come into contact with slide restriction faces of the first body side engagement and the second body side engagement, respectively, to restrict sliding of a slider when the first cover side engagement does not engage the first body side engagement. The slide restriction face of at least one of the first body side engagement and the first cover side engagement has a length that is greater than a length of the slide restriction face of other one of the first body side engagement, the first cover side engagement, the second body side engagement, and the second cover side engagement.

Abstract: An image forming apparatus includes a predetermined unit detachably received in an image forming apparatus body, a locking member that locks the predetermined unit, and an opening and closing cover that opens and closes an opening formed on a sidewall of the image forming apparatus body. The predetermined unit is configured not to be detachable from the image forming apparatus body through the opening unless the opening and closing cover is detached from the image forming apparatus body. The image forming apparatus includes a connection support member detachably engaged with a rotation center part of the opening and closing cover to serve as a shaft and connecting the opening and closing cover to the image forming apparatus body. The connection support member is detached from the opening and closing cover and is also used as a member for operating an unlocking mechanism.

Abstract: A moving device, which is included in an image forming apparatus, includes a cam, a moving body, a biasing body, a drive source and a drive transmission device. The moving body is configured to be moved by the cam. The biasing body is configured to apply a biasing force to bias the moving body toward the cam. The drive source is configured to apply a driving force to the cam. The drive transmission device is configured to transmit the driving force to the cam and includes a load applying body configured to apply a load to a rotation of the cam.

Abstract: With a structure in which a coupling member includes a sphere providing a center of inclination (pivoting), a rotational force transmitted member has an opening have a diameter smaller than that of the sphere, and the coupling member is prevented from disengaging from rotational force transmitted member by contact of inner edge of the opening to the sphere, the inner edge of the opening may limit an inclinable (pivotable) angle range of the coupling member. In a state that a pin 88 which is a shaft portion is inserted in a hole 86b which is a through-hole provided in a coupling member 86, opposite end portions of the pin 88 are supported by a driving side flange 87 which is a rotational force transmitted member. The coupling member 86 and the driving side flange 87 and the pin 88 are connected in this manner, and the pin 88 contact the inside of the hole 86b without limiting the inclinable (pivotable) angle range, by which the coupling member 86 is prevented from disengaging from the driving side flange 87.

Abstract: An image forming apparatus includes an apparatus body, a removable component configured to be removably installed in an installation position in the apparatus body, a cover configured to open and close when the removable component is removed from or installed in the installation position, a replacement removable component configured to be installable in and removable from the installation position in which the removable component is installed, and a holder configured to hold the replacement removable component at a different position from the installation position when the removable component is installed in the installation position and the cover opens. The replacement removable component held by the holder is configured to inhibit the cover from closing.

Abstract: A toner container is detachably attachable to a developing device. The developing device includes an inlet to be poured with a toner, an inlet shutter to move between a closed position, at which the inlet is closed, and an open position, at which the inlet is open, a biasing mechanism to bias the inlet shutter toward the closed position, an engaged structure provided in the inlet shutter, an engaging structure to engage with the engaged structure and to retain the inlet shutter at the open position against a biasing force of the biasing mechanism, and an engagement releasing structure provided in the inlet shutter and to release an engaging state between the engaged structure and the engaging structure. The toner container includes a contacting surface to contact with the engagement releasing structure and to make the engagement releasing structure release the engaging state.

Abstract: An image forming apparatus includes a drawer having an exposure head. The drawer can include first and second guides to receive a drum cartridge and a developer cartridge, respectively. The first guide extends from a first side of the drawer into the drawer and toward the exposure head from a first side of the exposure head, and the second guide extends from the first side of the drawer into the drawer and toward the exposure head from a second side of the exposure head opposite the first side. In some instances, the drum cartridge is positioned at least partially below the developer cartridge but is removable from the drawer without removing the developer cartridge.

Abstract: An image forming apparatus includes an apparatus body, a post-processing device, a sheet detector, and an indicator. The apparatus body has an internal space open to an outside of the apparatus body. The post-processing device is disposed in the internal space, and has an upper surface forming a sheet ejection tray. The post-processing device is disposed in an internal sheet ejection space as an open space in the apparatus body, and includes an upper surface as a sheet ejection tray. The sheet detector detects a sheet on the sheet ejection tray. The indicator disposed in the post-processing device indicates a sheet on the sheet ejection tray.

Abstract: A belt device includes an endless belt, a support shaft, a contact member, a frame, and a regulating member. The contact member is configured to contact the belt. The support shaft is configured to support the contact member and rotate together with the contact member. The frame is configured to support the support shaft. The regulating member is configured to regulate movement of the contact member. The regulating member is configured to move relative to the frame, in a direction that crosses an axial direction of the support shaft, from a regulating position to regulate movement of the support shaft in an axial direction of the support shaft.

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: An image forming apparatus is provided, in which a light emission unit is disposed upstream from a belt in the insertion direction. In a state where the insertion of a cartridge into the apparatus main body is completed, in the normal direction to the surface of the belt, a distance from the surface of the transfer member to the rotational shaft of a photosensitive drum is longer than a distance from the surface of the belt to an image forming position where light emitted by the light emission unit forms an image on the surface of the photosensitive drum.

Abstract: An image forming apparatus includes: an apparatus body; a body cover: photoreceptor drums; developing devices; toner containers; container covers; lock release mechanisms; pressing units; latching parts; and interlocking mechanisms. Each of the plurality of pressing units presses the toner container toward the container cover within the apparatus body. Each of the plurality of latching parts latches the toner container against pressing force of the pressing unit at a replenishment position where the toner is replenishable to the developing device within the apparatus body. Each of the plurality of interlocking mechanisms moves the toner container from the replenishment position to a side of the container cover by the pressing force of the pressing unit by releasing the latch of the latching part to the toner container in conjunction with lock release of the container cover by the lock release mechanism.

Abstract: A drum unit includes: a photosensitive drum; a blade contacting a surface of the photosensitive drum and configured to remove waste toner therefrom; a first auger; and a second auger. The photosensitive drum defines an axis extending in a first direction and is rotatable about the axis. The first auger extends in the first direction. The first auger is rotatable upon receipt of a drive force from the photosensitive drum to convey the waste toner removed by the blade in the first direction. The second auger extends in a second direction crossing the first direction. The second auger is rotatable upon receipt of the driving force from the first auger to convey the waste toner conveyed by the first auger in the second direction.

Abstract: A drum unit includes: a photosensitive drum; a blade contacting a surface of the photosensitive drum and configured to remove waste toner therefrom; a first auger; and a second auger. The photosensitive drum defines an axis extending in a first direction and is rotatable about the axis. The first auger extends in the first direction. The first auger is rotatable upon receipt of a drive force from the photosensitive drum to convey the waste toner removed by the blade in the first direction. The second auger extends in a second direction crossing the first direction. The second auger is rotatable upon receipt of the driving force from the first auger to convey the waste toner conveyed by the first auger in the second direction.

Abstract: A drive transmission mechanism includes plural first drive transmission units arranged to be movable in an axial direction of respective rotation axes that are adjacent to each other, each first drive transmission unit being rotationally driven; plural second drive transmission units, each of which is disposed adjacent to a corresponding one of the first drive transmission units in the axial direction and is capable of engaging with and disengaging from the corresponding first drive transmission unit to enable and disable transmission of a rotational driving force; and a switching unit disposed to maintain a position thereof in a direction crossing the axial direction, the switching unit moving each of the first drive transmission units in the axial direction to switch between a state in which the transmission of the rotational driving force is enabled and a state in which the transmission of the rotational driving force is disabled.

Abstract: A development cartridge detachable from a main body of an image forming apparatus includes a photosensitive unit including a photosensitive drum and a developing unit including a developing roller. The developing unit is coupled to the photosensitive unit such that the developing unit is movable to a development position where a development nip forms by contact between the developing roller and the photosensitive drum and movable to a release position where the development nip is released. The development cartridge further includes a pressurizing unit movable to a first position where the pressurizing unit applies an elastic force to the developing unit in a direction such that the developing unit is maintained in the development position, and movable to a second position where the pressurizing unit applies an elastic force to the developing unit in a direction such that the developing unit is maintained in the release position.

Abstract: A drawer unit moves in a moving direction between an internal position inside a main housing and an external position outside the main housing. The drawer unit includes: a drawer frame configured such that a drum cartridge and a developing cartridge are mounted thereon; and an exposure head that exposes a photosensitive drum. In a state where the drawer frame is located at the external position and where the drum cartridge is mounted on the drawer frame, the drum cartridge rotatably moves between: a first position at which the exposure head is located at a particular position relative to the photosensitive drum and the drum cartridge is prevented from being removed from the drawer frame; and a second position at which the exposure head is deviated from the particular position relative to the photosensitive drum and the drum cartridge is allowed to be removed from the drawer frame.

Abstract: An image forming apparatus includes a movement member arranged to move a cartridge and is movable between a first position for disposing the cartridge at a position where image formation is possible and a second position where the cartridge is attachable to and detachable from the movement member. At least one coupling provided in the cartridge is, when the movement member is at the first position, moved to a drive position where the coupling is arranged to engage with a drive member to rotate at least one rotating member, and while the movement member is being moved from the second to first positions, the at least one coupling is at an inclined position.

Abstract: A drum unit includes: a frame; a first photosensitive drum; a second photosensitive drum; a charger; and a storage medium. The frame includes: a first frame plate; a second frame plate spaced apart from the first frame plate in a first direction; a third frame plate connecting one end of the first frame plate to one end of the second frame plate; and a fourth frame plate connecting another end of the first frame plate to another end of the second frame plate. The first photosensitive drum and the second photosensitive drum are rotatably supported by the frame. The second photosensitive drum is spaced apart from the first photosensitive drum and positioned closer to the third frame plate than the first photosensitive drum to the third frame plate in a second direction. The storage medium has an electrical contact surface positioned at an outer surface of the fourth frame plate.

Abstract: An image forming apparatus includes an LED unit capable of being in an exposing position or a retracted position, and a cartridge capable of being inserted into or pulled out with the LED unit in the retracted position.

Abstract: The present invention relates to a control device and to a control method for a vehicle drive mechanism including a moving body having a movability range regulated by two stoppers, and a sensor which senses a position of the moving body. The control device of the present invention learns an output of the sensor corresponding to a contact state of a high-rigidity stopper, and limits, to a lower level, an operation variable of the actuator for moving the moving body toward a low-rigidity stopper along with an increase in an amount of change in the output of the sensor from the contact state of the high-rigidity stopper. Then, the control device learns the output of the sensor corresponding to the contact state of the low-rigidity stopper, and controls the actuator based on the output of the sensor learned at both the stopper positions.

Abstract: An image forming apparatus includes: a drum unit including a photosensitive drum; a belt unit; and a secondary transfer member. The belt unit includes: a first roller; a second roller spaced apart from the first roller; an intermediate transfer belt supported by the first roller and the second roller; and a primary transfer member. The intermediate transfer belt includes: a first portion; and a second portion. The first portion has an upstream end and a downstream end in a first direction. The second portion has an upstream end and a downstream end in a second direction. The primary transfer member is configured to transfer a toner image from the photosensitive drum to the first portion. The secondary transfer member is capable of contacting the downstream end of the second portion, and is configured to transfer the toner image from the intermediate transfer belt to a sheet.

Abstract: An image forming apparatus includes an optical print head, an optical print head moving mechanism, an abutting portion, a projected portion, an opposing portion, and a preventing portion provided on the projected portion so that in a state in which a drum cartridge is dismounted from a main assembly of the image forming apparatus, the preventing portion is contacted to the opposing portion by movement of the optical print head moved by the moving mechanism toward a side downstream of the exposure position with respect to the movement direction and prevents further movement of the optical print head in the movement direction and so that in a state in which the drum cartridge is mounted in the main assembly and the abutting portion contacts the drum cartridge, the preventing portion is in non-contact with the opposing portion.

Abstract: The liquid ejection apparatus includes: a liquid ejection head; a carriage that moves in the X direction; a supply roller that is provided at a position closer to a side of the carriage in the ?Y direction than to a side thereof in the +Y direction; and a discharge roller that is provided at a position closer to the side of the carriage in the +Y direction than to the side thereof in the ?Y direction. A plurality of cartridge slots are provided in the bottom of the carriage on a side in the +Z direction. The plurality of cartridge slots are arranged in the Y direction. The liquid ejection head is provided in the bottom of the carriage on a side in the ?Z direction, at a position between the supply roller and the discharge roller, the position being closer to the supply roller than to the discharge roller.

Abstract: An imaging device or other device having a sequencing device to ensure a proper closing sequence of two mating doors. The sequencing device includes a door stop, a link, and a hinge. The hinge and door stop are pivotally connected to a side panel of a frame. The hinge, link, and door stop are pivotally connected together.

Abstract: An image forming apparatus includes a correcting portion, an image forming device, and a fixing device that is one of a first fixing device including a first pair of rotatable members forming a first nip under a first load, and a second fixing device including a second pair of rotatable members forming a second nip under a second load that is less than the first load. A mounting portion selectively mounts one of the plurality of fixing devices. A detector detects a density of a toner image fixed on a recording material. When the fixing device is the first fixing device, an executing portion permits execution of a calibration process for generating a correction condition on the basis of a result of detection of a predetermined toner image by the detector, and, when the fixing device is the second fixing device, the executing portion prohibits execution of the calibration process.

Abstract: An image forming apparatus includes a cartridge including a photosensitive drum; an endless belt configured to transfer the toner image formed on the drum; an endless belt supporting member movable between a contacting position for contacting the belt to the drum and a non-contacting position retracted from the contacting position away from the drum; and a cartridge supporting member movable between an image forming position in which the drum contacts the belt taking the contacting position and a non-image-forming position in which the cartridge is movable from a inside to a outside of the main assembly. By movement of the belt from the contacting position to the non-contacting position, a space capable of accommodating at least a part of the cartridge supporting member taking the non-image-forming position and/or the cartridge supported by the cartridge supporting member taking the non-image-forming position is provided.

Abstract: An image forming apparatus includes a main casing, a drum frame detachably attached to the main casing and including a photosensitive drum, a developing device supporting structure movable between a first position close to the photosensitive drum and a second position farther from the photosensitive drum, and a developing device supported by the developing device supporting structure and including a developing roller and a guided portion. The developing device supporting structure has a guide groove at an inner surface. The guided portion is disposed in the guide groove to guide the developing device between a third position close to the photosensitive drum and a fourth position farther from the photosensitive drum. When the developing device supporting structure is in the first position, the developing device is in the third position, and when the developing device supporting structure is in the second position, the developing device is in the fourth position.

Abstract: A roller device includes a first roller; a second roller that rotates around a rotation axis extending in a first direction and that is disposed upstream of the first roller in a second direction; a bearing that supports the second roller and includes a projection; an urging unit that urges the bearing in the second direction; and a passage member having a gap that defines first and second passages that respectively extend in the first and second directions and supporting the bearing. The projection is inserted in the gap. The bearing is movable in the first and second directions. The first and second rollers are apart from each other when the projection is in the first passage. The bearing is moved in the second direction so that the first and second rollers are pressed against each other when the projection is in the second passage.

Abstract: An image forming apparatus includes an elastic member applying an urging force to a drum cartridge toward an upstream side of a mounting direction of the drum cartridge against a mounting operation thereof, and an engaging portion engaging with the drum cartridge receiving the urging force to restrict movement of the drum cartridge from a mounted position toward the upstream side in the mounting direction. The drum cartridge includes a release member for releasing engagement between the drum cartridge and an engaging portion, wherein the drum cartridge is moved to a predetermined position in an upstream side of the mounting position with respect to the mounting direction by receiving the urging force upon release of the engagement between the drum cartridge and the engaging portion, and the drum cartridge positioned at a predetermined position contacts a rotatable member subjected to a closing operation to restrict rotation of the rotating member.

Abstract: A developing device includes a developing unit including a developer bearing member and a developing frame member configured to support the developer bearing member. The developing unit is supported to be pivotable about a first shaft and a second shaft. A biasing member configured to bias the first shaft is provided.

Abstract: An image forming apparatus includes: an apparatus body; a photosensitive drum defining an axis extending in a first direction; a support member movable between an inside position and an outside position relative to the apparatus body; a cleaner for removing waste toner from the photosensitive drum; a first conveyer for conveying the waste toner in the first direction; a conveying unit; and a container for storing the waste toner conveyed by the conveying unit. The conveying unit includes a second conveyer for conveying the waste toner conveyed by the first conveyer in a second direction intersecting with the first direction; and a conveying pipe accommodating the second conveyer and connectable to the container. The conveying pipe includes a shutter for opening and closing a conveyer-side opening formed in a downstream end portion of the conveying pipe in the second direction.

Abstract: An image forming apparatus includes: a main body casing; a photosensitive drum; a support member; a belt unit; a transfer roller; and a second sheet guide. The support member is movable between a first accommodated position and a first withdrawn position. The belt unit is movable between a second accommodated position and a second withdrawn position. The belt unit includes: a first sheet guide; and a transfer belt. The belt unit is movable together with the support member. The second sheet guide is positioned below the belt unit and faces the first sheet guide to define a sheet conveying path between the first sheet guide and the second sheet guide in a state where the belt unit is at the second accommodated position. The second sheet guide is configured to convey a sheet along the sheet conveying path toward a position between the transfer belt and the transfer roller.

Abstract: An image forming apparatus includes a main body, and a moving member movable with respect to the main body in a state of supporting an image forming portion. The moving member includes an image bearing member and an opening, and is movable between an inside position located inside of the main body and an outside position located outside of the main body, and in which at least a part of the image forming portion is removably mountable on the moving member as a cartridge. A shielding member is provided on the moving member and shields the opening. In addition, holding mechanism holds the shielding member in a shielding position corresponding to the opening while the moving member is moved between the inside position and the outside position, and holds the shielding member in a non-shielding position in which the opening is opened when the moving member is located in the inside position.

Abstract: An image forming apparatus includes a housing, an attachable and detachable device, a cover member, and a rotation angle restricting member. The housing has an opening and an attachment section. The attachable and detachable device is attachable to and detachable from an inside of the housing via the opening. The cover member is rotatably supported by the housing and closes or opens the opening. The rotation angle restricting member restricts an allowable rotation angle that indicates an angle at which the cover member is rotatable. The rotation angle restricting member is attachable to and detachable from the attachment section. The allowable rotation angle of the cover member is restricted when the rotation angle restricting member is attached to the attachment section. Restriction of the allowable rotation angle of the cover member is released when the rotation angle restricting member is detached from the attachment section.

Abstract: An image forming apparatus includes: a casing; photosensitive drums juxtaposed with each other in a juxtaposed direction; developing units each including a developing roller; an opening-closing member; and a first contacting-separating member. The opening-closing member is movable between an open position and a closed position. The first contacting-separating member is provided at the opening-closing member and movable relative to the casing in the juxtaposed direction for moving, in a state where the opening-closing member is at the closed position, the developing roller between an adjacent position adjacent to or in contact with the corresponding photosensitive drums and a separated position spaced apart from the corresponding photosensitive drums.

Abstract: The device of the present invention includes a frame that supports a switch and a link provided between an opening-closing member and the switch. The link has a first fulcrum forming portion supported at a first support portion of the frame to form a first fulcrum, a power-point portion pushed by the opening-closing member, a second fulcrum forming portion supported at a second support portion of the frame to form a second fulcrum, and a switch operation portion that presses the switch. The first fulcrum forming portion is separable with respect to the first support member. An urging member for urging the link is provided, with the urging member urging the first fulcrum forming portion toward the first support portion.

Abstract: A processing cartridge detachably mounted to an electronic imaging device is provided. The processing cartridge comprises a first housing, and a power receiving component configured to receive a driving force from a driving component of the electronic imaging device. The processing cartridge has a first position and a second position in the imaging device, and the processing cartridge is able to move in a longitudinal direction of the processing cartridge between the first position and the second position. When the processing cartridge is in the first position, the power receiving component disengages with the driving component, and the power receiving component is unable to receive the driving force from the driving component, and when the processing cartridge is in the second position, the power receiving component moves in an opposite direction and the power receiving component is able to receive the driving force from the driving component.

Abstract: An image forming apparatus includes: a housing, a cover a process cartridge, an LED array, and a link member. The cover is pivotally movable about an axis extending in a first direction between an open position and a closed position. The process cartridge includes a photosensitive drum and a developing unit, and is attachable to and detachable from the housing in an open state where the cover is at the open position. The link member is movable in a second direction perpendicular to the first direction in interlocking relation to movement of the cover. The link member is configured to: move the developing unit away from the axis in the second direction during movement of the cover from the closed position to the open position; and move the developing unit toward the axis in the second direction during movement of the cover from the open position to the closed position.