Abstract: An image forming apparatus including a cartridge including an image carrying member and a positioning portion, and an apparatus main body. The apparatus main body including an opening portion, a rotatable opening and closing member, the opening and closing member including an engaging portion and being rotatable between a first position and a second position, an engaged portion, an abutment portion that determines a position of the attached cartridge, and a pressing portion applying pressing force to the cartridge. The opening and closing member rotates from the first position to the second position against counterforce of the pressing force, and the engaging portion is provided in an area of the opening and closing member that is closer to the rotational axis than an area of the opening and closing member that receives the counterforce.

Abstract: An imaging cartridge installable in an image forming device. The image forming device includes a rotational driving member and at least one cartridge guide defining a guide path. The cartridge includes a first cartridge portion engageable with the at least one cartridge guide for movement along the guide path and a second cartridge portion coupled to the first cartridge portion. The second cartridge portion includes a drive receiving member configured for engagement with the rotational driving member and at least one of a drum unit assembly, a hopper, a developer roller, and a regulating blade. The second cartridge portion is moveable with respect to the first cartridge portion between a first position, in which the drive receiving member is not engageable with the rotational driving member, and a second position, in which the drive receiving member is engageable with the rotational driving member.

Abstract: A developer cartridge according to one aspect is attachable to a photoconductor unit that comprises a photoconductive drum. The developer cartridge may comprise a main body having an opening, the main body comprising an electric circuit, a front cover configured to move to an opening position in which the opening of the main body is exposed and to a closing position in which the opening of the main body is closed, a first terminal electrically connected to the electric circuit, a photosensitive drum, and a developer cartridge comprising a developing roller, developing frame having a pressed portion, memory unit and second terminal. The front cover may include a pressing portion configured to press the pressed portion of the developing frame in a direction from the developing roller toward the photosensitive drum, and wherein the second terminal faces to the front cover when the front cover is in the closed position.

Abstract: A cartridge that can be inserted in an apparatus main body of an image forming apparatus by moving along an axial direction of an image bearing member includes the image bearing member, a frame configured to support the image bearing member, a storage member configured to store therein information on the cartridge, and include an electrical contact, and a first pressed section and a second pressed portion configured to be pressed by the apparatus main body. The electrical contact is disposed between the first pressed section and the second pressed section, and is configured to be in contact with the main body contact on a lower side in a state where the cartridge is attached to the apparatus main body.

Abstract: The separation holding member 36 includes a grip portion 36h for detaching the separation holding member 36 from the cartridge B, the grip portion 36h being configured so as to assume a first shape of protruding in a direction of separation from a surface of the cartridge B when the cartridge B mounted with the separation holding member 36 is detached from the apparatus main body A and to assume a second shape in which a gap with the surface of the cartridge B is smaller than in the first shape when the cartridge B mounted with the separation holding member 36 is mounted to the apparatus main body A.

Abstract: An image forming apparatus is provided with: an apparatus body; a photosensitive member; a developing cartridge configured to have a developer supporting body; a cleaner configured to collect developer remaining on the photosensitive member; and a waste developer container configured to contain developer collected by the cleaner. The apparatus body is configured to have an installment passage, through which the developing cartridge passes when the developing cartridge is installed into and removed from the apparatus body. The waste developer container is configured to be movable between a first position at which at least a part of the waste developer container is located within the installment passage and a second position at which the waste developer container is located away from the installment passage.

Abstract: A process cartridge comprises a photosensitive drum and a developing roller. A coupling member is provided adjacent to one axial end of the developing roller. The coupling member includes a driven portion, and an intermediary portion configured and positioned to engage with the driven portion. The intermediary portion is also configured to be movable relative to the driven portion in a direction crossing the axis of the developing roller while maintaining engagement with the driven portion. The coupling member further includes a driving portion configured and positioned to receive a driving force for rotating the developing roller. The driving portion is also configured to engage with the intermediary portion, and to be movable relative to the intermediary portion in a direction crossing the axis of the developing roller while maintaining engagement with the intermediary portion.

Abstract: An image forming apparatus includes image forming stations including respective electrophotographic photosensitive drums; an image transfer belt contactable to the drums; image transfer rollers, contactable to the transfer belt to urge the belt to the drums for transferring the toner images from the drums onto the belt, the rollers being provided with respective rotational shafts about an axis of which the rollers are rotatable; and a slidable member slidable in a direction in which the stations are arranged to retract the rollers away from the corresponding drums, the slidable member being provided with inclined surfaces contactable to the shafts, the inclined surfaces being disposed at such positions that the rollers are retracted from respective drums sequentially with the movement of the slidable member in the direction.

Abstract: A developing apparatus includes a developer bearing member and a developing frame that rotatably supports the developer bearing member. A one-end side end member is attached to one end of the developing frame in an axis direction of the developer bearing member, with the one-end side end member comprising a one-end side positioned portion to be positioned with respect to an apparatus main body. An other-end side end member is attached to an other end of the developing frame in the axis direction of the developer bearing member, with the other-end side end member comprising an other-end side positioned portion to be positioned with respect to the apparatus main body. The one-end side end member is rotatable with respect to the developing frame and the other-end side end member, and the other-end side end member is rotatable with respect to the developing frame and the one-end side end member.

Abstract: A powder container includes a rotator and a coil disposed adjacent to the rotator. The rotator is configured to rotate in a predetermined direction. The coil is configured to be rotated by contact with the rotator and divided into a plurality of divided coil portions along a rotation center of the coil in an axial direction of the coil. A plurality of coil centers of the plurality of divided coil portions is eccentric relative to the rotation center.

Abstract: An image forming device includes a controller and a power supply unit in communication with the controller. The power supply unit includes a voltage converter for supplying voltage to a component of the image forming device. A memory unit on the voltage converter stores characterization data specific to the voltage converter having been characterized during production of the power supply unit and defining a predefined voltage response characteristic of the voltage converter. The controller is configured to selectively adjust a voltage response of the voltage converter to deviate away from the predefined voltage response characteristic based on a detected error condition relating to a replaceable unit installed in the image forming device. When the error condition has been corrected, the controller is configured to adjust the voltage response of the voltage converter to the predefined voltage response characteristic.

Abstract: An image forming apparatus includes a mounting portion for mounting a process cartridge, the process cartridge including a first unit having an image bearing drum, and a second unit having a developing roller, the second unit being movable between a contact position in which the roller contacts the drum and a spaced position in which they are mutually spaced; an engageable member engageable with a force receiving portion provided on the second unit; wherein the engageable member is movable between a first position for maintaining the second unit in the spaced position by engaging with the force receiving portion, a second position for permitting movement of the second unit from the spaced position to the contact position; and a third position for permitting the process cartridge to be mounted, by being pressed by the process cartridge to retract, when the process cartridge is mounted to the mounting portion.

Abstract: A process cartridge, combination of a process cartridge and a drive shaft of an electrophotographic image forming apparatus, and a method of mounting and using a process cartridge in an electrophotographic image forming apparatus include a feature that a coupling member of the process cartridge can take different angular positions relative to the fixed axis of rotation of the drive shaft. In one position, the axis of the coupling member is inclined relative to the drive shaft's fixed axis of rotation. In another position, the axis of the coupling member is substantially coaxial with the drive shaft's fixed axis of rotation.

Abstract: A drive transmitting device, which is included in an image forming apparatus, includes a support, a first rotary body, a second rotary body, and a connector. The first rotary body is rotatably supported by the support and includes a support receiving portion with an opening disposed at a center of rotation of the first rotary body. The second rotary body has having an opening at a center of rotation of the second rotary body. The connector has one end inserted into the opening of the support receiving portion of the first rotary body and another end inserted into the opening of the second rotary body in an axial direction of the connector and connect the first rotary body and the second rotary body. The support is inserted into the opening of the support receiving portion of the first rotary body.

Abstract: A technique enabling downsizing of an image forming apparatus is provided. A cleaning unit 13 attachable to and detachable from an apparatus main body of an image forming apparatus 100 that forms an image on a recording material 12 is provided, with this cleaning unit 13 including: a photosensitive drum 1; and a cleaning frame body 14 that supports the photosensitive drum 1 and that includes an opening 14c through which laser light 3c for exposing the photosensitive drum 1 can pass, wherein the opening 14c is configured such that a width of the opening 14c in a scanning direction in an irradiation range of the light for exposing the photosensitive drum 1 becomes greater toward a side of the photosensitive drum 1 from a side of a light source of light for exposing the photosensitive drum 1.

Abstract: A rotatable member includes a hollow cylindrical rotation shaft formed with a curved plate-like member. The rotation shaft includes a seam where end surfaces of the plate-like member are contacted to each other. The rotation shaft includes a rotational drive transmitting portion which is provided at an axial end portion thereof and which includes a contact surface contactable to a driver for driving the rotation shaft and configured to receive the driving force from the driver. In a coordinate system with the rotational axis as an origin, the contact surface is provided at a position away by 90° or more from the seam in a normal rotational direction which is a direction in which the rotatable member rotates to form an image.

Abstract: An image forming apparatus including a cartridge and an apparatus main body to which the cartridge is detachably attachable is disclosed. The apparatus main body includes a driving force transmitting member, an output member, and a biasing member disposed between the output member and the driving force transmitting member. The driving force transmitting member is caused to rotate relative to the output member in the predetermined rotation by the biasing member, when an engagement between the driving force transmitting member and the driving force receiving member is released by a detachment of the cartridge from the apparatus main body.

Abstract: A photosensitive member unit includes photosensitive drums and a frame including positioning portions. One and the other end shaft portions of the photosensitive drums are movable between first positions in which the above-mentioned one and the other end shaft portions are positioned by the positioning portions and second positions in which the above-mentioned one end of the other end shaft portions are not positioned by said positioning portions. The photosensitive member unit includes a plurality of mounting portions which are provided in the frame and to which developing units including developing members capable of supplying toner to the photosensitive drums are mountable, and from which the developing units are dismountable without dismounting the photosensitive drums from the frame, in a state that the above-mentioned one and the other end shaft portions are positioned by the positioning portions.

Abstract: Provided is a method of detecting release of a development nip of an image forming apparatus that includes a photoconductor and a developing roller to contact each other to form a development nip and to be away from each other to release the development nip. The method includes obtaining a reference load, after charging the photoconductor in a state in which the development nip is formed, by measuring a load of a transfer system including the photoconductor and a transfer roller, release the development nip and blocking light irradiated from an exposing unit to the photoconductor, obtaining a detected load by measuring a load of the transfer system after exposing the photoconductor, and determining whether the development nip is normally released based on the reference load and the detected load.

Abstract: In a state that a developing device is placed in a position for developing an electrostatic latent image formed on an image bearing member when the regulation blade has a mount portion for mounting a seal member, the regulation blade is fixed to a mount portion of the development frame for mounting the regulation blade, and a seal member is fixed to a mount portion of the regulation blade for mounting the seal member, the seal member is arranged to make contact with the image bearing member vertically under a position where the developer bearing member is closest to the image bearing member to seal at least a part of a space formed between the developing device and the image bearing member.

Abstract: A developing cartridge may include a housing configured to hold toner. The cartridge may further include a developing roller including a developing roller shaft, a supply roller including a supply roller shaft, a developing electrode and a supply electrode. The developing electrode and supply electrode may be configured to guide an electrical contact of an image forming apparatus in one or more directions. In some examples, the developing electrode and supply electrode may have angled surfaces that extend toward one another.

Abstract: An image forming apparatus includes a body casing, a pressing member, a process cartridge, and a drawer. The body casing includes a positioning member. The pressing member is disposed inside the body casing. The process cartridge includes a photosensitive drum. The drawer is configured to support the process cartridge and to move, in a sliding direction orthogonal to an axis direction of the photosensitive drum, between an inside position that is a position inside the body casing and an outside position that is a position outside the body casing. The process cartridge includes an engagement portion and a spring. The engagement portion is configured to be positioned by the positioning member. The spring is configured to be pressed by the pressing member such that the engagement portion is pressed toward the positioning member.

Abstract: A developing cartridge may include: a casing; a developing roller extending in a first direction; a developing-roller gear; a coupling including a coupling gear; a first idle gear; a second idle gear; an agitator; a first agitator gear; and a protrusion. The developing-roller gear, the coupling, the first idle gear, the second idle gear, the first agitator gear, and the protrusion may be positioned at an outer surface of the casing. The protrusion may be positioned between a first axis of the coupling and a third axis of the first agitator gear in a second direction connecting the first and third axes. The protrusion may be positioned outside an addendum circle of the developing-roller gear, an addendum circle of the coupling gear, an addendum circle of the first idle gear, and an addendum circle of the second idle gear. The first agitator gear may be spaced apart from the protrusion in the first direction.

Abstract: An image forming apparatus includes a process cartridge. The process cartridge includes a coupling member having a first end portion, a second end portion, and a connecting portion connecting the first end portion and the second end portion. The second end portion of the coupling member includes at least one pair of projections, with each of the projections includinga facing portion that faces the axis L2, each facing portion being open to the axis L2. A maximum dimension in a direction perpendicular to the axis L2 of at least a part of the connecting portion is smaller than a diameter of an imaginary circle that is tangent to the facing portions of the projections.

Abstract: An optical scanning device includes a casing (31). The casing (31) can be stacked in a plurality of stages in a state in which a lid member (32) has been removed, and includes a connection leg part (31e) extending from a predetermined position of the outside surface of a sidewall part (31b) to a lower side of a lower surface of the casing (31), and the connection leg part (31e) is provided with an engaged part (31g) for connection which is engaged with an engaging part (31d) formed at a sidewall part (31b) of another casing (31) when the casing (31) is stacked on an upper side of the other casing (31).

Abstract: A process cartridge includes a photoconductor unit and a development unit, which are assembled together while being allowed to be separated from each other. The photoconductor unit and the development unit include fitting portions that fix positions of the units to assemble the units, assembly guides that guide the units to an assembly position, and stopper portions that hold the units in the assembly position.

Abstract: At ends of a frame in an axial direction of a developing roller, a first end portion member and a second end portion member are provided so as to be rotatable around a rotation axis parallel to the axial direction, and at least one of them has one side in a direction orthogonal to the rotation axis on which a force receiving portion is provided, and another side in the direction orthogonal to the rotation axis on which a regulating portion is provided. The force receiving portion receives a biasing force in a mounting direction of the developing apparatus to the apparatus main body from a biasing member. The regulating portion is brought into contact with the apparatus main body to regulate movement of the other side relative to the apparatus main body in a direction opposite to the mounting direction, with a fulcrum being the rotation axis.

Abstract: A drawer unit moves in a moving direction between an internal position inside the main housing and an external position outside the main housing. The drawer unit includes a drawer frame, a first exposure head, and a second contact member. The first exposure head moves between a first adjacent position at which the first exposure head is adjacent to the first photosensitive drum and a first spaced position at which the first exposure head is farther spaced away from the first photosensitive drum than at the first adjacent position. The second contact member is a part of the drawer unit other than the first exposure head. The first exposure head moves from the first adjacent position to the first spaced position due to a contact between the first contact member and the second contact member when the drawer unit moves from the internal position to the external position.

Abstract: A process cartridge includes a casing and developer contained within the casing. The process cartridge also includes a photosensitive drum having an axis L1, with the photosensitive drum being rotatably supported in the casing to permit rotation about the axis L1, and a developing roller having an axis L1?, with the developing roller being configured to develop a latent image formed on the photosensitive drum with the developer, and with the developing roller being rotatably supported in the casing to permit rotation about the axis L1?. A coupling member is operatively connected to the photosensitive drum, the coupling member including a body having an axis L2, and the coupling member including at least one projection provided at an end of the body.

Abstract: A transmission device includes a gear member, an intermediate member removably attached to the gear member and including a guiding groove, and a transmitter including a shaft, the shaft having at least one protrusion extending radially outward from the shaft, and the guiding groove is shaped such that the protrusion is movable along the guiding groove in an axial direction and rotatable relative to the guiding groove.

Abstract: An image forming apparatus includes a developing cartridge, a photosensitive drum, a lever, and an electrical connector. The developing cartridge includes a developing roller rotatable about a first axis extending in a first direction, a memory storing information related to the developing cartridge, and an electrical contact electrically connected to the memory. The photosensitive drum is rotatable about a second axis extending in the first direction. The lever moves the developing cartridge between a first position where a surface of the developing roller contacts a surface of the photosensitive drum and a second position where the surface of the developing roller separates from the surface of the photosensitive drum. The electrical connector contacts the electrical contact in the second position of the developing cartridge, and separates from the electrical contact in the first position of the developing cartridge.

Abstract: In a cartridge, a housing has a developer accommodating portion and includes a first side wall and a second side wall. A coupling member is disposed at a position opposite to the developer accommodating portion with respect to the first side wall. A detection body is disposed at a position opposite to the developer accommodating portion with respect to the second side wall. A first driving force transmission member is positioned at the same side with the coupling member with respect to the first side wall, and transmits driving force from the coupling member to a rotating member. A second driving force transmission member is positioned at the same side with the detection body with respect to the second side wall, and transmits driving force from the rotating member to the detection body.

Abstract: A developing roller is located nearer a first end than a second end in a first direction. A first boss extends in a second direction and is movable together with a housing. The first boss bears the weight of a developer cartridge when the first boss is supported by a support surface of a first side plate of a drum unit, and is located away from the developing roller in the first direction and the third direction. A first pressure receiving surface is located farther away from the developing roller than the first boss in the third direction. The pressure receiving member receives a pressing force in the third direction from a pressing member of the first side plate of the drum unit. The first boss is located away from the developing roller in the first direction by a first distance. The first pressure receiving surface is located away from the developing roller in the first direction by the first distance or by a second distance smaller than the first distance.

Abstract: An image forming apparatus includes a photosensitive member; a charging member configured to electrically charge the photosensitive member; a developing device configured to form a toner image by supplying toner to the photosensitive member; a transfer member configured to transfer the toner image from the photosensitive member onto a toner image receiving member; a cleaning member provided in contact with the photosensitive member and configured to remove the toner remaining on a surface of the photosensitive member after transfer; and a controller configured to carry out a process for notifying information on a lifetime of the charging member, on the basis of use amount information on a use amount of the charging member and contact pressure information on contact pressure applied by the cleaning member to the photosensitive member.

Abstract: The present invention relates to an electrophotographic photoreceptor which is a positive charging type electrophotographic photoreceptor comprising a conductive support and a photosensitive layer on the conductive support, wherein the photosensitive layer contains at least a charge generating material, a hole transport material, an electron transport material, and a binder resin in the same layer, and a residual potential VL1 at a point at which an exposure amount for forming a latent image is 0.3 ?J/cm2 is equal to or lower than 130 V when an initial surface potential V0 is set to +700 V, exposure with monochromatic light of 780 nm is performed and measurement is performed by a dynamic method.

Abstract: A tandem type electrophotographic image forming device using an organic photoreceptor, includes a plurality of image forming units each including at least: an electrostatic latent image former; a developer; a lubricant supplier; and a cleaner, wherein at least one combination composed of the two adjacent image forming units including toners having different colors satisfies the following formula (1) if a universal hardness of an organic photoreceptor A included in the image forming unit disposed on an upstream side is represented by Ha, and a universal hardness of an organic photoreceptor B included in the image forming unit disposed on a downstream side is represented by Hb.

Abstract: In a cartridge, a housing has a developer accommodating portion and includes a first side wall and a second side wall. A coupling member is disposed at a position opposite to the developer accommodating portion with respect to the first side wall. A detection body is disposed at a position opposite to the developer accommodating portion with respect to the second side wall. A first driving force transmission member is positioned at the same side with the coupling member with respect to the first side wall, and transmits driving force from the coupling member to a rotating member. A second driving force transmission member is positioned at the same side with the detection body with respect to the second side wall, and transmits driving force from the rotating member to the detection body.

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 replaceable unit for an electrophotographic image forming device according to one example includes a housing having a toner reservoir. An electrical connector mounted on the housing is movable between a retracted position and an operative position. The electrical connector includes an electrical contact for contacting a corresponding electrical contact in the image forming device. The electrical contact is electrically connected to processing circuitry on the housing. In the retracted position, the electrical connector is tucked into a portion of the housing. In the operative position, the electrical connector is exposed to permit the electrical contact to contact the corresponding electrical contact in the image forming device. A linkage is operatively connected to the electrical connector and includes an engagement surface accessible on an exterior of the housing to receive an actuation force. Movement of the linkage moves the electrical connector between the retracted position and the operative position.

Abstract: A driving device includes a motor including a shaft portion provided with a gear portion; a side plate provided with a first hole through which the motor engages with the side plate and a second hole connecting with the first hole; a gear configured to engage with the gear portion provided on the shaft portion when the motor is fixed in the first hole, so as to be rotatable through transmission of a driving force from the motor; and a flexible cover member configured to cover the second hole, wherein the cover member contacts the shaft portion of the motor when the shaft portion of the motor is inserted into the second hole.

Abstract: An image forming apparatus is provided with: an apparatus body; a photosensitive member; a developing cartridge configured to have a developer supporting body; a cleaner configured to collect developer remaining on the photosensitive member; and a waste developer container configured to contain developer collected by the cleaner. The apparatus body is configured to have an installment passage, through which the developing cartridge passes when the developing cartridge is installed into and removed from the apparatus body. The waste developer container is configured to be movable between a first position at which at least a part of the waste developer container is located within the installment passage and a second position at which the waste developer container is located away from the installment passage.

Abstract: A replaceable unit for an electrophotographic image forming device according to one example embodiment includes an electrical contact positioned on a first side of a housing of the replaceable unit for contacting an electrical contact in the image forming device. A guide on the first side of the housing is positioned closer to a front of the housing than the electrical contact and leads rearward toward the electrical contact. The guide includes an inside surface that faces inward sideways toward a second side of the housing. At least a portion of the inside surface is angled inward sideways from front to rear permitting contact between the inside surface and an electrical connector in the image forming device to draw the electrical connector in the image forming device inward sideways relative to the replaceable unit during insertion of the replaceable unit into the image forming device.

Abstract: Measures for controlling an engagement force between a photo imaging plate (110) and a developer roller (200) in a printing device (100) are described. A motor (310) is operated to generate rotational motion. The rotational motion is translated into linear motion. The linear motion causes an adjustment to the engagement force between the developer roller and the photo imaging plate. A characteristic of the motor is monitored. The motor is controlled on the basis of the monitored characteristic in order to maintain a desired engagement force between the developer roller and the photo imaging plate.

Abstract: In a cartridge employing an inclinable coupling member engaging with a rotational force transmitting portion of an electrophotographic image forming apparatus, the coupling member is configured to not engage with the rotational force transmitting portion of the electrophotographic image forming apparatus when the mounting and dismounting direction and the developing/spacing direction relative to the electrophotographic image forming apparatus are different from each other. A coupling lever is provided to contract and retract relative to the coupling member in interrelation with the mounting and dismounting operation of the cartridge, and a coupling spring for the coupling lever is provided to apply an urging force to the coupling member.

Abstract: An end member disposed in an end portion of a columnar rotating body, comprising: a shaft member; and a bearing member to which the shaft member is attached, wherein the bearing member includes a rotating force transmission pin, a tubular body, and a pin holding portion, the shaft member includes a rotating shaft, a rotating force receiving portion, and a base end portion.

Abstract: There is provided an image forming apparatus including a body, a drum cartridge and a developing cartridge both of which are installable into the body, and a shutter attached to the body. The shutter is movable between a first position to prevent installation of the developing cartridge while allowing installation of the drum cartridge with the drum cartridge and the developing cartridge being removed from the body, and a second position to allow installation of the developing cartridge with the drum cartridge being installed in the body.

Abstract: A developing cartridge includes a casing, a developer-carrying member, a supply member, a developing electrode, a supply electrode, and an insulating member. The casing is configured to accommodate therein developer. The developer-carrying member is configured to rotate about a rotational axis and carry the developer thereon. The supply member is configured to supply the developer to the developer-carrying member. The developing electrode is configured to be electrically connected to the developer-carrying member. The supply electrode is configured to be electrically connected to the supply member. The insulating member insulates the developing electrode and the supply electrode with each other. The developing electrode, the insulating member, and the supply electrode are overlapped in this order in an axial direction of the rotational axis.

Abstract: A toner cartridge according to one example embodiment includes a housing having a reservoir for holding toner and an outlet in fluid communication with the reservoir for exiting toner from the toner cartridge. A resiliently deflectable cam is positioned on an exterior portion of the housing to contact a media feed roll assembly when the toner cartridge is installed in the image forming device for biasing the media feed roll assembly into contact with a corresponding media feed roll in the image forming device to form a media feed nip in the image forming device.

Abstract: An image forming apparatus includes an apparatus main body, a drum cartridge, and a developing cartridge. The apparatus main body is formed with an opening. The drum cartridge includes a photosensitive drum and is configured to be installed into the apparatus main body through the opening. The developing cartridge includes a developing roller and is configured to be installed into the drum cartridge. The drum cartridge includes a swing plate configured to support the developing cartridge installed in the drum cartridge. The swing plate is configured to swingably move such that the developing roller moves relative to the photosensitive drum. The swing plate includes a first guide configured to guide installation of the developing cartridge into the drum cartridge.

Abstract: A recording apparatus includes: a first housing; a second housing pivotable about a shaft relative to the first housing between a close position and a distant position; and a tank mount portion provided in the second housing such that a mounting direction of a tank with respect to the tank mount portion in a state in which the second housing is at the distant position has a downward component in a vertical direction. The tank mount portion includes a resistance applying mechanism which applies a resistance force to the tank in a state in which at least a part of the tank is inserted into the tank mount portion when the second housing is at the distant position.