Abstract: A cartridge attachable to/detachable from an apparatus main body of an image forming apparatus in a mounting direction, includes a storage portion storing toner, a stirring member rotating around a rotation axis and stirring the toner in the storage portion, and a gripping portion provided upstream of the storage portion in the mounting direction, wherein the gripping portion includes, when the cartridge is in a mounted orientation of being mounted in the apparatus main body, a concave portion whose an upper part is opened, the concave portion including a bottom surface and first and second walls extending upward from an upstream and a downstream of the bottom surface in the mounting direction, the concave part including an opening extended from the bottom surface to the first wall at a center in the longitudinal direction, and wherein the gripping portion includes a third wall facing the second wall through the opening.

Abstract: A developer accommodating unit includes a container and a stirring member. The container includes first and second frames mutually bonded to constitute an accommodating space for a developer. The stirring member stirs the developer by being rotated in a rotational direction and includes a sheet fixed to a rotational shaft. The first frame includes a recessed portion provided along an edge of the first frame and opening toward an upstream side in the rotational direction. The second frame includes a projection provided along an edge of the second frame, projects toward a downstream side in the rotational direction and engages with the recess, and so as to prevent the sheet from contacting an end surface, on the upstream side, of an inner end of the recess and includes a part of an inner wall constituting the accommodating space, a visor provided on a position opposite to the end surface.

Abstract: A cartridge attachable to/detachable from an apparatus main body of an image forming apparatus in a mounting direction, includes a storage portion storing toner, a stirring member rotating around a rotation axis and stirring the toner in the storage portion, and a gripping portion provided upstream of the storage portion in the mounting direction, wherein the gripping portion includes, when the cartridge is in a mounted orientation of being mounted in the apparatus main body, a concave portion whose an upper part is opened, the concave portion including a bottom surface and first and second walls extending upward from an upstream and a downstream of the bottom surface in the mounting direction, the concave part including an opening extended from the bottom surface to the first wall at a center in the longitudinal direction, and wherein the gripping portion includes a third wall facing the second wall through the opening.

Abstract: A cartridge includes a first unit including an image bearing member and a second unit including a developer bearing member. The second unit is swingable with respect to the first unit. The second unit includes a pressed portion to be pressed by a pressing member of the apparatus body. When viewed in an axial direction, (i) the swing axis and the pressed portion are arranged on opposite sides to each other with respect to a virtual straight line, (ii) the pressed portion, the swing axis, and the first axis are arranged in the named order in an interaxial direction, and (iii) a distance from the pressed portion to the swing axis in the interaxial direction is longer than a distance from the swing axis to the first axis in the interaxial direction.

Abstract: A cartridge includes a first unit including an image bearing member and a second unit including a developer bearing member. The second unit is swingable with respect to the first unit. The second unit includes a pressed portion to be pressed by a pressing member of the apparatus body. When viewed in an axial direction, (i) the swing axis and the pressed portion are arranged on opposite sides to each other with respect to a virtual straight line, (ii) the pressed portion, the swing axis, and the first axis are arranged in the named order in an interaxial direction, and (iii) a distance from the pressed portion to the swing axis in the interaxial direction is longer than a distance from the swing axis to the first axis in the interaxial direction.

Abstract: A cartridge for an image forming apparatus includes: a process unit to be used to form an image; a first member including a first resin material; a second member including a second resin material having higher flame retardant capability than the first resin material; and an electrode member including a contact section configured to be supplied with power from an apparatus main body of the image forming apparatus. The electrode member is configured to electrically connect the apparatus main body to the process unit. The second resin material of the second member has a greater density than the first resin material of the first member. The contact section is located in the vicinity of the first and second members and is closer to the second member than to the first member.

Abstract: A cartridge includes a container, a light guide including incident and emergent portions, and a cover including outer and inner surfaces. When a direction directing from the outer surface toward the inner surface is a first direction, and a direction in which the incident and emergent portions are arranged is a second direction, (i) the outer surface is recessed toward a downstream side of the first direction between the incident and emergent portions, (ii) a first end of a bottom of the recessed portion on an incident portion side is positioned on a side downstream with respect to the first direction, of a second end of the bottom on an emergent portion side, and (iii) the bottom is curved so as to be recessed toward the downstream side of the first direction between the first and second ends relative to an imaginary rectilinear line connecting these ends.

Abstract: A cartridge for an image forming apparatus includes: a process unit to be used to form an image; a first member including a first resin material; a second member including a second resin material having higher flame retardant capability than the first resin material; and an electrode member including a contact section configured to be supplied with power from an apparatus main body of the image forming apparatus. The electrode member is configured to electrically connect the apparatus main body to the process unit. The second resin material of the second member has a greater density than the first resin material of the first member. The contact section is located in the vicinity of the first and second members and is closer to the second member than to the first member.

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: A cartridge includes a container, a light guide including incident and emergent portions, and a cover including outer and inner surfaces. When a direction directing from the outer surface toward the inner surface is a first direction, and a direction in which the incident and emergent portions are arranged is a second direction, (i) the outer surface is recessed toward a downstream side of the first direction between the incident and emergent portions, (ii) a first end of a bottom of the recessed portion on an incident portion side is positioned on a side downstream with respect to the first direction, of a second end of the bottom on an emergent portion side, and (iii) the bottom is curved so as to be recessed toward the downstream side of the first direction between the first and second ends relative to an imaginary rectilinear line connecting these ends.

Abstract: A cartridge includes a first unit including an image bearing member and a second unit including a developer bearing member. The second unit is swingable with respect to the first unit. The second unit includes a pressed portion to be pressed by a pressing member of the apparatus body. When viewed in an axial direction, (i) the swing axis and the pressed portion are arranged on opposite sides to each other with respect to a virtual straight line, (ii) the pressed portion, the swing axis, and the first axis are arranged in the named order in an interaxial direction, and (iii) a distance from the pressed portion to the swing axis in the interaxial direction is longer than a distance from the swing axis to the first axis in the interaxial direction.

Abstract: An image forming apparatus for forming an image on a recording material includes a first outer cover, a second outer cover adjacent to the first outer cover, a third outer cover adjacent to both of the first outer cover and the second outer cover, a common positioning portion provided on the first outer cover and configured to position both of the second outer cover and the third outer cover relative to the first outer cover, a first positioned portion provided on the second outer cover and configured to be positioned relative to the common positioning portion, and a second positioned portion provided on the third outer cover and configured to be positioned together with the first positioned portion relative to the common positioning portion.

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: A cartridge for an image forming apparatus includes: a process unit to be used to form an image; a first member including a first resin material; a second member including a second resin material having higher flame retardant capability than the first resin material; and an electrode member including a contact section configured to be supplied with power from an apparatus main body of the image forming apparatus. The electrode member is configured to electrically connect the apparatus main body to the process unit. The second resin material of the second member has a greater density than the first resin material of the first member. The contact section is located in the vicinity of the first and second members and is closer to the second member than to the first member.

Abstract: A cartridge for an image forming apparatus includes: a process unit to be used to form an image; a first member including a first resin material; a second member including a second resin material having higher flame retardant capability than the first resin material; and an electrode member including a contact section configured to be supplied with power from an apparatus main body of the image forming apparatus. The electrode member is configured to electrically connect the apparatus main body to the process unit. The second resin material of the second member has a greater density than the first resin material of the first member. The contact section is located in the vicinity of the first and second members and is closer to the second member than to the first member.

Abstract: A cartridge for an image forming apparatus includes: a process unit to be used to form an image; a first member including a first resin material; a second member including a second resin material having higher flame retardant capability than the first resin material; and an electrode member including a contact section configured to be supplied with power from an apparatus main body of the image forming apparatus. The electrode member is configured to electrically connect the apparatus main body to the process unit. The second resin material of the second member has a greater density than the first resin material of the first member. The contact section is located in the vicinity of the first and second members and is closer to the second member than to the first member.

Abstract: An image forming apparatus for forming an image on a recording material includes a first outer cover, a second outer cover adjacent to the first outer cover, a third outer cover adjacent to both of the first outer cover and the second outer cover, a common positioning portion provided on the first outer cover and configured to position both of the second outer cover and the third outer cover relative to the first outer cover, a first positioned portion provided on the second outer cover and configured to be positioned relative to the common positioning portion, and a second positioned portion provided on the third outer cover and configured to be positioned together with the first positioned portion relative to the common positioning portion.

Abstract: An image forming apparatus for forming an image on a recording material includes a first outer cover, a second outer cover adjacent to the first outer cover, a third outer cover adjacent to both of the first outer cover and the second outer cover, a common positioning portion provided on the first outer cover and configured to position both of the second outer cover and the third outer cover relative to the first outer cover, a first positioned portion provided on the second outer cover and configured to be positioned relative to the common positioning portion, and a second positioned portion provided on the third outer cover and configured to be positioned together with the first positioned portion relative to the common positioning portion.

Abstract: A paper output tray includes: a tray main body where sheets discharged from an apparatus main body are stacked; a first extension tray which is to be housed in the tray main body on a lower surface side thereof so as to be pullable forward from a front end of the tray main body; and a second extension tray which is rotatably supported by the first extension tray and is expandable from a closed state, in which the second extension tray is folded on the upper surface of the first extension tray, to an open state in which the second extension tray extends forward of the first extension tray. The first extension tray has a support portion extending downward from the upper surface where the sheets are stacked, and the second extension tray is rotatably supported by the support portion.