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 cartridge includes a developing roller and a frame configured to support the developing roller. A lever is connected to the frame, with the lever being movable relative to the frame, and with a part of the lever protruding beyond the frame. The cartridge also includes a spring deformable in response to a movement of the lever relative to the frame, with the spring being positioned such that it is capable of exerting a first force on the lever and a second force on the frame. A memory board is provided and an electrode portion is connected to the memory board. A part of the electrode portion and a part of the spring are positioned in a plane that is perpendicular to a rotational axis of the developing roller.

Abstract: To further develop a drive transmission method from a main assembly of an apparatus toward a cartridge. The cartridge is detachably mountable to a main assembly of an image forming apparatus including a drive output member configured to output a driving force, and a main assembly side pushing member configured to incline the drive output member by pushing the drive output member. The cartridge includes a photosensitive drum and a cartridge side pushing member. The cartridge side pushing member is configured such that an inclination angle of the drive output member is changed by pushing the main assembly side pushing member.

Abstract: Disclosed is a cartridge attachable to an image forming apparatus body, the cartridge including: a memory member storing information relating to the cartridge; and a supporting body having a memory mounting portion on which the memory member is mounted, the memory member having a first surface, a second surface, and a lateral surface, the first surface is provided with a contact portion connected to a body electrode portion of the body of the image forming apparatus when the cartridge is installed in the body of the image forming apparatus, the memory mounting portion has a first opposing portion opposing the second surface and a second opposing portion opposing the lateral surface when the memory member is mounted, the memory member is mounted by adhesive between the second surface and the first opposing portion and between the lateral surface and the second opposing portion.

Abstract: An image forming apparatus includes a main body having a first metal terminal, a plurality of toner cartridges to store toner and including a housing storing the toner, a supporting member provided at one end, and a memory medium including a chip for recording information about the toner cartridge and an electrical contact and being supported by the supporting member, and a tray movable between a housed position and a drawn-out position. The tray includes a frame which can mount the plurality of toner cartridges, a plurality of tray-side electrical contacts provided at the frame and able to contact the electrical contact of the memory medium of the plurality of toner cartridges respectively, and a second metal terminal electrically connected to the plurality of tray-side electrical contacts and able to contact the first metal terminal.

Abstract: A process cartridge includes a photosensitive drum and a developing roller for developing a latent image on the photosensitive drum. The process cartridge also includes a protrusion having a surface configured to receive a force to move a frame supporting the developing roller from the first position in which the developing roller contacts the photosensitive drum to the second position in which the developing roller is spaced apart from the photosensitive drum.

Abstract: A toner supply container includes a memory portion, a container portion, a discharging portion, and a shutter. The memory portion includes a memory for storing information and an electrode having an exposed surface. The discharging portion is disposed on one end side of the container portion with respect to a first direction. The shutter is configured to rotate around an axis extending in the first direction. As viewed along the first direction, the exposed surface is disposed inside of an imaginary circle that passes through an outer end of the shutter with the axis as a center of the imaginary circle.

Abstract: An image forming apparatus includes: a main body; a developing cartridge having a housing, a memory medium, a memory medium unit, a developer carrier, and a protrusion portion in the longitudinal direction of the developer carrier; and a tray having a frame, an image bearing member, a guide member provided at one end in the longitudinal direction, an electric contact portion with the memory medium, and a memory unit support portion. The guide member includes a portion which functions as a memory unit support portion, and a downstream portion located downstream of the memory unit support portion in the mounting direction of the developing cartridge. The memory unit support portion guides the protrusion portion to the downstream portion when the developing cartridge is mounted on the frame.

Abstract: A cartridge includes a developing roller rotatable about a rotational axis thereof, and a frame configured to support the developing roller. A lever is connected to the frame, with the lever being elastically deformable such that a first part of the lever is movable relative to a second part of the lever and relative to the frame, and the lever protruding from the frame. A coupling member is configured to transmit a rotational force to the developing roller, the coupling member being rotatable about a rotational axis thereof, and the coupling member being movable relative to the frame in a direction of its rotational axis. When the cartridge is oriented with the lever and the electrode portion at a bottom portion of the cartridge, the lever protrudes downward from the frame.

Abstract: A cartridge that is mountable to an apparatus main assembly of an image forming apparatus, the cartridge includes a developing roller; a frame supporting the developing roller; a movable part movably supported by the frame and movable to a first position and to a second position relative to the frame; and an elastic part provided between the frame and the movable part to urge the movable part. The movable part includes a first force receiving part that receives force from the apparatus main assembly, in a direction of moving from the first position to the second position, and a second force receiving part that receives force from the apparatus main assembly, in a direction of moving from the second position to the first position.

Abstract: A toner supply container includes a memory portion, a container portion, a discharging portion, and a shutter. The memory portion includes a memory for storing information and an electrode having an exposed surface. The discharging portion is disposed on one end side of the container portion with respect to a first direction. The shutter is configured to rotate around an axis extending in the first direction. As viewed along the first direction, the exposed surface is disposed inside of an imaginary circle that passes through an outer end of the shutter with the axis as a center of the imaginary circle.

Abstract: A cartridge includes a developing roller and a frame configured to support the developing roller. A lever is connected to the frame, with the lever being movable relative to the frame, and with a part of the lever protruding beyond the frame. The cartridge also includes a spring deformable in response to a movement of the lever relative to the frame, with the spring being positioned such that it is capable of exerting a first force on the lever and a second force on the frame. A memory board is provided and an electrode portion is connected to the memory board. A part of the electrode portion and a part of the spring are positioned in a plane that is perpendicular to a rotational axis of the developing roller.

Abstract: A cartridge includes a developing roller and a frame configured to support the developing roller. A lever is connected to the frame, with the lever being movable relative to the frame, and with a part of the lever protruding beyond the frame. The cartridge also includes a memory board. and an electrode portion connected to the memory board. When the cartridge is oriented with the lever and the electrode portion at a bottom portion of the cartridge, the protruding part of the lever protrudes downward from the frame and at least a part of an exposed part of the developing roller is positioned above the rotational axis.

Abstract: A cartridge includes a developing roller rotatable about a rotational axis thereof. A frame is configured to support the developing roller. A lever is connected to the frame, with the lever being movable relative to the frame, and a part of the lever protruding beyond the frame. A surface of the developing roller extends a longer distance in a direction of the rotational axis than a distance that the lever extends in the direction of the rotational axis.

Abstract: An image forming apparatus to which a toner container is detachably mountable includes a mounting portion to which the toner container is detachably mountable and which includes a receiving port for receiving toner supplied from the toner container, a passage for permitting passing of the toner received through the receiving port and provided with a through hole, and a filter portion provided so as to cover the through hole and for permitting passing of air; and an accommodating portion configured to accommodate the toner received through the receiving port. At least a part of the through hole overlaps with the receiving port as viewed in a horizontal direction perpendicular to a direction of gravitation.

Abstract: A container for accommodating a content of powder or a liquid includes an accommodating portion for accommodating the content; a top end portion including a discharging portion and a shielding member, wherein the discharging portion includes a discharge opening for discharging the content to an outside of the container and a passage for permitting passing of the content toward the discharge opening, and the shielding member shields the discharge opening; and a cap detachably mounted to the top end portion, wherein the cap includes a main body portion covering at least a part of the top end portion and a fixing portion fixed to the top end portion and connected to the main body portion, and wherein the main body portion of the cap is separated from the fixing portion by being rotated about a rotational axis thereof relative to the top end portion.

Abstract: An image forming apparatus to which a toner container is detachably mountable includes a mounting portion to which the toner container is detachably mountable and which includes a receiving port for receiving toner supplied from the toner container, a passage for permitting passing of the toner received through the receiving port and provided with a through hole, and a filter portion provided so as to cover the through hole and for permitting passing of air; and an accommodating portion configured to accommodate the toner received through the receiving port. At least a part of the through hole overlaps with the receiving port as viewed in a horizontal direction perpendicular to a direction of gravitation.

Abstract: A cartridge includes a developing roller rotatable about a rotational axis thereof, and a frame configured to support the developing roller. A lever is connected to the frame, with the lever being elastically deformable such that a first part of the lever is movable relative to a second part of the lever and relative to the frame, and the lever protruding from the frame. A coupling member is configured to transmit a rotational force to the developing roller, the coupling member being rotatable about a rotational axis thereof, and the coupling member being movable relative to the frame in a direction of its rotational axis. When the cartridge is oriented with the lever and the electrode portion at a bottom portion of the cartridge, the lever protrudes downward from the frame.

Abstract: Disclosed is a cartridge attachable to an image forming apparatus body, the cartridge including: a memory member storing information relating to the cartridge; and a supporting body having a memory mounting portion on which the memory member is mounted, the memory member having a first surface, a second surface, and a lateral surface, the first surface is provided with a contact portion connected to a body electrode portion of the body of the image forming apparatus when the cartridge is installed in the body of the image forming apparatus, the memory mounting portion has a first opposing portion opposing the second surface and a second opposing portion opposing the lateral surface when the memory member is mounted, the memory member is mounted by adhesive between the second surface and the first opposing portion and between the lateral surface and the second opposing portion.

Abstract: An image forming apparatus includes a main body having a first metal terminal, a plurality of toner cartridges to store toner and including a housing storing the toner, a supporting member provided at one end, and a memory medium including a chip for recording information about the toner cartridge and an electrical contact and being supported by the supporting member, and a tray movable between a housed position and a drawn-out position. The tray includes a frame which can mount the plurality of toner cartridges, a plurality of tray-side electrical contacts provided at the frame and able to contact the electrical contact of the memory medium of the plurality of toner cartridges respectively, and a second metal terminal electrically connected to the plurality of tray-side electrical contacts and able to contact the first metal terminal.