Abstract: A toner container includes: a bag having an opening; a discharge member having a receiving port aligned with the bag in a first direction and for receiving toner, and a discharge port for discharging the toner; and a shutting member shutting the discharge port. The receiving port is provided on an inner side with respect to the opening in a second direction orthogonal to the first direction. The receiving port is open in the first direction and has an area greater than or equal to 25 mm2. The discharge member has a fixing portion to which the opening is fixed, and a surface between the fixing portion and the receiving port. A filling amount [g] of the toner with respect to a total volume [cm3] up to which the toner in the toner container is allowed to be contained is less than or equal to 0.547 [g/cm3].

Abstract: A process unit includes a rotatable image bearing member, a charging roller, a brush unit including a brush and a holding member, a regulation member, and an urging member. The holding member includes a first force-receiving portion configured to receive a force in the first direction from the urging member, a second force-receiving portion configured to receive a force in the second direction from the regulation member, and a third force-receiving portion configured to receive a force in the second direction from the brush substrate. The first force-receiving portion, the second force-receiving portion, and the third force-receiving portion are disposed on one end side with respect to a center of the holding member in a rotation axis direction of the charging roller, and are arranged in an order of the second force-receiving portion, the first force-receiving portion, and the third force-receiving portion from the one end toward the center.

Abstract: A process unit includes a rotatable image bearing member, a charging roller configured to come in contact with a surface of the image bearing member and configured to charge the surface, and a brush unit including (i) a brush including (i-1) a plate-shaped brush substrate and (i-2) brush bristles protruding from the brush substrate and configured to come into contact with a surface of the charging roller, (ii) a holding member configured to hold the brush substrate and regulate a position of the brush substrate, and (iii) a conduction member constituting at least part of a conduction path for applying a voltage to the brush, wherein the conduction member includes a contacting portion configured to contact the brush substrate, and is configured such that a direction in which the contacting portion applies a force to the brush substrate intersects with a thickness direction of the brush substrate.

Abstract: A process unit includes a rotatable image bearing member, a charging roller configured to come in contact with a surface of the image bearing member and to charge the surface, a shaft-supporting member configured to rotatably support the charging roller, and a brush unit including a brush and a holding member configured to hold the brush, the brush including a brush substrate and brush bristles, the brush bristles protruding from the brush substrate and configured to come into contact with a surface of the charging roller, wherein the holding member includes a regulation portion configured to abut the shaft-supporting member such that a position of the holding member is regulated by abutment between the regulation portion and the shaft-supporting member.

Abstract: A process unit includes a rotatable image bearing member, a charging roller configured to come into contact with a surface of the image bearing member and to charge the surface, a brush unit including a brush configured to come into contact with a surface of the charging roller at a contact position and a holding member configured to hold the brush, a frame member configured to swingably support the holding member about a swing axis, and a regulation member configured to abut the holding member at an abutment position and regulate a position of the holding member in a rotational direction about the swing axis. As viewed in a rotation axis direction of the charging roller, the abutment position is positioned between the contact position and the swing axis in a tangent direction of the charging roller at the contact position.

Abstract: A toner container is provided with a bag member made of flexible film material and a discharging member connected to the bag member and configured to discharge toner from an accommodating space to an outside. When a length from an opposing surface of the discharging member to an end portion in an opposite side of the opposing surface of the bag member in a first direction is defined as Xmax, and in a case in which a position X (0?X?Xmax) using the opposing surface as a reference in the first direction is given, a length of the bag member on a plane perpendicular to the first direction in a second direction is defined as Y and a length of the bag member on the plane in a third direction is defined as Z, in a case in which Z is Z0 in X=0, Xmax>Y?Z in a range of 0?X?Xmax, 0.8×Z0?Z?1.2×Z0 in the range of 0?X?Xmax, and Y?2×Z in a range of 0?X<0.5×Xmax.

Abstract: A toner container is provided with a bag member made of flexible film material and a discharging member connected to the bag member and configured to discharge toner from an accommodating space to an outside. When a length from an opposing surface of the discharging member to an end portion in an opposite side of the opposing surface of the bag member in a first direction is defined as Xmax, and in a case in which a position X (0?X?Xmax) using the opposing surface as a reference in the first direction is given, a length of the bag member on a plane perpendicular to the first direction in a second direction is defined as Y and a length of the bag member on the plane in a third direction is defined as Z, in a case in which Z is Z0 in X=0, Xmax>Y?Z in a range of 0?X?Xmax, 0.8×Z0?Z?1.2×Z0 in the range of 0?X?Xmax, and Y?2×Z in a range of 0?X<0.5×Xmax.

Abstract: A toner container includes a bag, including an opening and formed of resin film, stores toner and a leading edge portion mounted on the opening of the bag, the leading edge portion including a nozzle provided with a discharge port to discharge the toner stored in the bag external to the toner container, wherein the leading edge portion includes a portion formed of resin and provided with a two-dimensional code, and wherein the portion has a thickness greater than a thickness of the film.

Abstract: A toner container is provided with a bag member made of flexible film material and a discharging member connected to the bag member and configured to discharge toner from an accommodating space to an outside. When a length from an opposing surface of the discharging member to an end portion in an opposite side of the opposing surface of the bag member in a first direction is defined as Xmax, and in a case in which a position X (0?X?Xmax) using the opposing surface as a reference in the first direction is given, a length of the bag member on a plane perpendicular to the first direction in a second direction is defined as Y and a length of the bag member on the plane in a third direction is defined as Z, in a case in which Z is Z0 in X=0, Xmax>Y?Z in a range of 0?X?Xmax, 0.8×Z0?Z?1.2×Z0 in the range of 0?X?Xmax, and Y?2×Z in a range of 0?X<0.5×Xmax.

Abstract: An image forming apparatus includes a main body including main body connectors, a cartridge tray including photosensitive drums, and cartridges mounted to the cartridge tray. Each of the cartridges includes a developing roller, a developing container containing toner, and a memory including a memory contact surface. The cartridges are removable from the cartridge tray in a state where the cartridge tray is in a drawn-out position. In a state where the cartridge tray is in a housed position, the memory contact surface faces upward and contacts one of the main body connectors, and each of the cartridges is movable between a contact position where the developing roller contacts one of the photosensitive drums and a separation position where the developing roller separates from one of the photosensitive drums while the one of the main body connectors and the memory contact surface contact each other.

Abstract: [Problem] To provide a form of a container for use with an image forming apparatus [Solution] A container for use with an image forming apparatus and for accommodating a content of powder or a liquid, the container includes an accommodating portion configured to accommodate the content; an end portion including a discharging portion which includes a discharge opening for permitting discharge of the content to an outside of the container and a passage configured so that the content passes through the passage toward the discharge opening, and including a shutter configured to be movable relative to the discharging portion between a shielding position where the shutter shields the discharge opening and an open position where the shutter opens the discharge opening; and a cap mounted to the end portion so as to cover at least a part of the end portion and configured to be dismounted from the end portion by being rotated relative to the end portion.

Abstract: A toner container includes a storage portion configured to store toner and a communicating member including a receiving port, a discharge port, and a passage. The passage includes a first inclined surface and a second inclined surface connecting the first inclined surface and the discharge port to each other. When viewed in a third direction perpendicularly intersecting with both of a first direction and a second direction, the first inclined surface is inclined with respect to the second direction such that a more downstream portion of the first inclined surface in the first direction is closer to the discharge port in the second direction, and the second inclined surface is inclined with respect to the second direction such that a more downstream portion of the second inclined surface in the first direction is closer to the discharge port in the second direction.

Abstract: A toner container includes a bag body, a coupling member, and a discharge member. The bag body includes a side portion and has, formed in the bag body, storage space configured to store toner and having flexibility. The coupling member is coupled with an opening of the bag body. The discharge member discharges the toner stored in the storage space. The side portion extends in a first direction from the opening to a bottom portion opposite the opening. Two-dimensional code is provided on an outer surface opposite an inner surface of the side portion that forms the storage space for toner. The two-dimensional code is located closer to the bottom portion than to the opening in the first direction.

Abstract: [Problem] To provide a form of a container for use with an image forming apparatus [Solution] A container for use with an image forming apparatus and for accommodating a content of powder or a liquid, the container includes an accommodating portion configured to accommodate the content; an end portion including a discharging portion which includes a discharge opening for permitting discharge of the content to an outside of the container and a passage configured so that the content passes through the passage toward the discharge opening, and including a shutter configured to be movable relative to the discharging portion between a shielding position where the shutter shields the discharge opening and an open position where the shutter opens the discharge opening; and a cap mounted to the end portion so as to cover at least a part of the end portion and configured to be dismounted from the end portion by being rotated relative to the end portion.

Abstract: A developer supply container includes a container unit and a discharge passage forming unit. The container unit includes a containing member including an opening portion, and a connecting member including an engaged portion and a connected portion connected to the opening portion of the containing member. The discharge passage forming unit includes an engaging portion configured to be engageable with the engaged portion, and a discharge passage which is configured to communicate with the accommodating space via the opening portion and through which the toner can be discharged to an outside.

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 developer container includes a container member, a coupling member and a nozzle. The container member accommodates a developer and constitutes an accommodating portion provided with an opening portion. The coupling member is attached to the opening portion. The nozzle includes a discharging opening coupled to the container member via the coupling member and for permitting discharge of the developer to an outside and a passage for passing the developer from the opening portion of the accommodating portion to the discharge opening. A main component of the container member and the coupling member is a paper, and a main component of the nozzle is a resin.

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: Provided a toner container having: a storage portion configured to store toner; a nozzle portion having a discharging port configured to discharge, outside the toner container, toner stored in the storage portion, the nozzle portion being fixed to the storage portion such that the nozzle portion and the storage portion are aligned in a first direction; and a loosening member configured to loose toner, the loosening member including at least a portion provided in the storage portion, wherein the loosening member is swingable relative to the storage portion about a swing axis extending in a second direction crossing the first direction.

Abstract: An image forming apparatus that includes an actuator to drive a stirring member, an indicating unit to execute a remaining toner amount indication based on an output value from a first detection unit, and a control unit control the actuator, the first detection unit, and the indicating unit. A control unit executes (i) a first control of controlling the actuator to start driving of the stirring member based on a detection, by a second detection unit, of movement of an opening and closing member from the open position to the closed position, (ii) a second control of controlling the first detection unit to output the output value, and (iii) a third control of controlling the indicating unit to execute the remaining toner amount indication.