Abstract: There is provided a method of fabricating a three-dimensional object. The method includes supplying, flattening, and collecting. The supplying supplies, with a powder supplier, powder to a fabrication chamber. The fabrication chamber includes a fabrication stage to store powder and an outer edge portion outside the fabrication stage, the outer edge portion having one bottom surface. The flattening flattens, with a flattener, the powder supplied by the supplying. The collecting collects, with a powder collector, the powder having overflowed from the fabrication stage to the outer edge portion by the flattening into the fabrication stage.

Abstract: A powder supply apparatus includes at least a vibration sieve part configured to vibrate a powder supply port by a vibration source. The powder supply port has a rectangular shape. The vibration source is mounted on a short side of the powder supply port.

Abstract: An image forming apparatus includes a recording device and an apparatus body to internally house the recording device. The apparatus body includes an attachment unit to be removably mounted in the apparatus body and an apparatus body-side connector. The attachment unit includes an attachment-side connector to be electrically connected to the apparatus body-side connector. The apparatus body also includes a pressing portion to press the attachment unit in a direction in which the attachment-side connector faces the apparatus body-side connector in a state where the attachment unit is attached to the apparatus body. The direction is orthogonal to a mounting direction of the attachment unit. The apparatus body further includes a movable member holding the pressing portion movable between a first position where the pressing portion is closest to the apparatus body-side connector and a second position where the pressing portion is farthest from the apparatus body-side connector.

Abstract: A three-dimensional fabrication apparatus includes a fabrication chamber in which a fabrication object is formed, a powder supply unit configured to supply powder to the fabrication chamber, a driver configured to scan the powder supply unit above the fabrication chamber, a measurement unit configured to measure a powder supply amount, the powder supply amount being an amount of the powder supplied from the powder supply unit to the fabrication chamber, and circuitry configured to perform a feedback control to control a fluctuation amount of the powder supply amount to be smaller than a preset amount based on the powder supply amount measured by the measurement unit.

Abstract: An article includes a body member and a detachable member detachably attached to the body member. One of the body member and the detachable member includes a cover portion having an engaging portion on an inner wall face of the cover portion. The other includes a covered portion that is covered with the cover portion and has an engaged portion on an outer wall face of the covered portion. The engaging portion and the engaged portion are configured to be disengaged by warping the cover portion so that the cover portion displaces to an outer wall face side of the cover portion. The one of the body member and the detachable member includes a finger-applying-position indicator at a position deviated from a portion corresponding to the cover portion, on an outer wall face of the one. The finger-applying-position indicator indicates a position to be applied with fingers of a user.

Abstract: A portable image forming apparatus includes a recording section, at least one of a position detection device and a recording material detection device, and an accommodation unit. The recording section is configured to record an image on a recording material. The position detection device is configured to detect a position of the portable image forming apparatus. The recording material detection device is configured to detect presence or absence of the recording material. The accommodation unit includes an image formation material accommodation portion. A projection region of the at least one of the position detection device and the recording material detection device with respect to a virtual plane parallel to a recording surface to face the recording material at least partially overlaps with a projection region of the accommodation unit with respect to the virtual plane.

Abstract: An image forming apparatuses includes an apparatus body configured to house a replacement part. The apparatus body includes a guiding face configured to guide a guided face of the replacement part. The guided face is on a side along a movement direction in which the replacement part moves between a set position in the apparatus body and an attaching and detaching position at which the replacement part is attached to and detached from the apparatus body. The apparatus further include a moving device configured to move the replacement part between the set position and the attaching and detaching position, and a pressing device configured to press the guided face of the replacement part against the guiding face of the apparatus body while the replacement part moves between the set position and the attaching and detaching position.

Abstract: An image forming apparatus includes a recording device configured to record an image on a recording medium, a main body configured to house the recording device, and a cover rotatably attached to the main body. The main body includes a recording face to be disposed opposite the recording medium, a first face positioned opposite the recording face, and a second face positioned between the recording face and the first face. The cover includes a first cover portion configured to cover the first face of the main body, and a second cover portion configured to cover at least a portion of the second face, and the second cover portion is configured to house a battery.

Abstract: An image forming apparatus includes a body, an image forming device configured to form an image on a recording medium and supported by the body, an attachment configured to be removably attached to the body, and a cover configured to be removably attached to the body. The cover is configured to cover the attachment attached to the body. The attachment is configured to switch a state in use of the image forming apparatus by attaching and removing of the attachment to and from the body.

Abstract: An article includes a body member and a detachable member detachably attached to the body member. One of the body member and the detachable member includes a cover portion having an engaging portion on an inner wall face of the cover portion. The other includes a covered portion that is covered with the cover portion and has an engaged portion on an outer wall face of the covered portion. The engaging portion and the engaged portion are configured to be disengaged by warping the cover portion so that the cover portion displaces to an outer wall face side of the cover portion. The one of the body member and the detachable member includes a finger-applying-position indicator at a position deviated from a portion corresponding to the cover portion, on an outer wall face of the one. The finger-applying-position indicator indicates a position to be applied with fingers of a user.

Abstract: An image forming apparatus includes an apparatus body, a cover, a first positioning member, and a second positioning member. The apparatus body includes a mounted portion. The cover is detachably mounted on the apparatus body. The cover includes a mounting portion configured to be mounted on the mounted portion of the apparatus body. The first positioning member is configured to position the cover at a first target position in a first direction with respect to the apparatus body. The second positioning member is configured to position the cover at a second target position in a second direction orthogonal to the first direction with respect to the apparatus body, before the mounting portion is mounted on the mounted portion after the cover is positioned at the first target position by the first positioning member.

Abstract: An image forming apparatus includes a recording device and an apparatus body to internally house the recording device. The apparatus body includes an attachment unit to be removably mounted in the apparatus body and an apparatus body-side connector. The attachment unit includes an attachment-side connector to be electrically connected to the apparatus body-side connector. The apparatus body also includes a pressing portion to press the attachment unit in a direction in which the attachment-side connector faces the apparatus body-side connector in a state where the attachment unit is attached to the apparatus body. The direction is orthogonal to a mounting direction of the attachment unit. The apparatus body further includes a movable member holding the pressing portion movable between a first position where the pressing portion is closest to the apparatus body-side connector and a second position where the pressing portion is farthest from the apparatus body-side connector.

Abstract: An image forming apparatus includes a recording device configured to record an image on a recording medium and an apparatus body configured to house the recording device. The image forming apparatus further includes an attachment unit configured to be removably mounted in the apparatus body; a protection target disposed downstream, in a mounting direction of the attachment unit, from a mounting position of the attachment unit in the apparatus body; and a contact portion at least a part of which is positioned upstream from the protection target in the mounting direction.

Abstract: An image forming apparatuses includes an apparatus body configured to house a replacement part. The apparatus body includes a guiding face configured to guide a guided face of the replacement part. The guided face is on a side along a movement direction in which the replacement part moves between a set position in the apparatus body and an attaching and detaching position at which the replacement part is attached to and detached from the apparatus body. The apparatus further include a moving device configured to move the replacement part between the set position and the attaching and detaching position, and a pressing device configured to press the guided face of the replacement part against the guiding face of the apparatus body while the replacement part moves between the set position and the attaching and detaching position.

Abstract: A liquid discharge apparatus includes an apparatus body, a liquid discharge head configured to discharge a liquid and be removably attached to the apparatus body, and a temperature detection device configured to detect a temperature of the liquid discharge head. The temperature detection device includes a temperature detector disposed in the apparatus body and configured to be in line contact with the liquid discharge head.

Abstract: An image forming apparatus includes a body including a recording face to be disposed opposite a recording medium, a recording device supported by the body and configured to record an image on the recording medium, a rotator including a rotation shaft and configured to contact and rotate on the recording medium, and a rotator holder configured to hold the rotator. The rotator holder includes a tilt restriction portion and a normal direction pressed portion being a different component from the tilt restriction portion. The tilt restriction portion is to restrict a tilt of the rotation shaft of the rotator around a virtual axis orthogonal to the recording face. The normal direction pressed portion is to receive force in a direction normal to the recording face, exerted from the rotator, the normal direction pressed portion being a different component from the tilt restriction portion.

Abstract: An image forming apparatus includes a body including a recording side to be disposed opposite a recording medium and an operation face opposite the recording side. The image forming apparatus further include an image forming device supported on the recording side and configured to form an image on the recording medium, an operation input device configured to input an image formation instruction, and a power operation device configured to power on and off the image forming apparatus. On the operation face, the operation input device is disposed at a first position shifted from a center position on the operation face in a predetermined direction, and the power operation device is disposed at a second position located on an opposite side of the first position with respect to the center position on the operation face.

Abstract: An image forming apparatus includes a body, an image forming device configured to form an image on a recording medium and supported by the body, an attachment configured to be removably attached to the body, and a cover configured to be removably attached to the body. The cover is configured to cover the attachment attached to the body. The attachment is configured to switch a state in use of the image forming apparatus by attaching and removing of the attachment to and from the body.

Abstract: An image forming apparatus includes a recording device configured to record an image on a recording medium, a main body configured to house the recording device, and a cover rotatably attached to the main body. The main body includes a recording face to be disposed opposite the recording medium, a first face positioned opposite the recording face, and a second face positioned between the recording face and the first face. The cover includes a first cover portion configured to cover the first face of the main body, and a second cover portion configured to cover at least a portion of the second face, and the second cover portion is configured to house a battery.

Abstract: An image reading device includes an image reader movable along an image reading face, a casing to house the image reader, including a restraint holder, and a restraint to be held by the restraint holder of the casing and configured to restrict movement of the image reader. The restraint includes an operation portion to be disposed outside the casing. The operation portion is operated to move the restraint, in the restraint holder, to: a restricting position to restrict movement of the image reader; a first unlock position to cancel restriction of movement of the image reader; and a second unlock position at which movement of the image reader is not restricted. At the first unlock position, movement of the restraint to the restricting position is allowed. From the second unlock position, movement to the restricting position is less smooth than movement from the first unlock position to the restricting position.