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 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 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 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 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 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, 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 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 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: A cable cover of this invention is used for guiding the orientation of a cable that extends out from a connector. This cable cover includes a pair of divided bodies, a cable passage, and a supporting portion. The pair of divided bodies have a pair of joining faces that are to be joined to each other. The cable passage includes a bent passage portion for housing a bent portion of the cable. The supporting portion extends as a curved surface along the forward direction of the cable in the bent passage portion, and is configured to be able to support an inward portion of the bend in the bent portion.

Abstract: A sheet conveying device includes a separator to separate a sheet from sheets. The separator includes a separation conveyor; a separation resistance member to press against the separation conveyor via the sheet; a resistance-member holder; a biasing member to contact and bias the resistance-member holder to press the separation resistance member toward the separation conveyor, the resistance-member holder to rotate about a resistance-member rotary shaft to separate from the biasing member in detaching from an apparatus body; and a biasing-member holder configured to rotate about a biasing-member rotary shaft to more incline the biasing member in a state, in which the biasing member is spaced apart from the resistance-member holder, in a moving direction of the resistance-member holder to detach from the apparatus body than the biasing member in a biasing state in which the biasing member biases the resistance-member holder in contact with the resistance-member holder.

Abstract: An image reading device includes a plurality of conveyance rollers to convey a sheet, a motor to drive the plurality of conveyance rollers, an image reading unit to read an image of the sheet, a control device to perform a stop control that stops the sheet in a course of a conveyance path, and a clutch to transmit a driving force of the motor. A first conveyance roller group includes at least one of the plurality of conveyance rollers upstream from a leading end of the sheet stopped by the stop control in a conveyance direction, to which the driving force is transmitted via the clutch. A second conveyance roller group includes at least one of the plurality of conveyance rollers downstream from the leading end of the sheet stopped by the stop control in the conveyance direction, to which the driving force is transmitted without the clutch.

Abstract: An optical scanner includes a light source including a plurality of light emitting elements, a polygon mirror which deflects light from the light source for scanning a surface of a subject, an optical element arranged between the light source and the polygon mirror, having optical power in a sub scanning direction, a synchronous detector which detects the light deflected by the polygon mirror for synchronous detection and generates a signal for controlling a timing at which the scanning of the surface is started, and a fixing element which secures one end of the optical element. The light emitting elements of the light source are aligned with a certain tilt angle relative to the sub scanning direction. Light from one of the light emitting elements disposed closest to the fixing element in a main scanning direction is used for synchronous detection.

Abstract: An image reading device includes a plurality of conveyance rollers to convey a sheet, a motor to drive the plurality of conveyance rollers, an image reading unit to read an image of the sheet, a control device to perform a stop control that stops the sheet in a course of a conveyance path, and a clutch to transmit a driving force of the motor. A first conveyance roller group includes at least one of the plurality of conveyance rollers upstream from a leading end of the sheet stopped by the stop control in a conveyance direction, to which the driving force is transmitted via the clutch. A second conveyance roller group includes at least one of the plurality of conveyance rollers downstream from the leading end of the sheet stopped by the stop control in the conveyance direction, to which the driving force is transmitted without the clutch.

Abstract: A sheet conveying device includes a separator to separate a sheet from sheets. The separator includes a separation conveyor; a separation resistance member to press against the separation conveyor via the sheet; a resistance-member holder; a biasing member to contact and bias the resistance-member holder to press the separation resistance member toward the separation conveyor, the resistance-member holder to rotate about a resistance-member rotary shaft to separate from the biasing member in detaching from an apparatus body; and a biasing-member holder configured to rotate about a biasing-member rotary shaft to more incline the biasing member in a state, in which the biasing member is spaced apart from the resistance-member holder, in a moving direction of the resistance-member holder to detach from the apparatus body than the biasing member in a biasing state in which the biasing member biases the resistance-member holder in contact with the resistance-member holder.

Abstract: An image forming apparatus includes an image bearer, an exposure device, a drive device, a cleaning body, and an exposure device holder. The exposure device is disposed on a motion trajectory between an exposure position and a retracted position and emits light to the image bearer via a lens having a lens surface at the exposure position. The drive device causes the exposure device to move between the exposure position and the retracted position. The cleaning body disposed on the motion trajectory of the exposure device tilts a cleaning surface when contacting with the lens surface of the exposure device. The exposure device holder supports the exposure device while changing an attitude of the exposure device such that the lens surface remains in contact with the cleaning surface of the cleaning body when the exposure device moves from the retracted position to the exposure position.

Abstract: An optical scanner includes a light source including a plurality of light emitting elements, a polygon mirror which deflects light from the light source for scanning a surface of a subject, an optical element arranged between the light source and the polygon mirror, having optical power in a sub scanning direction, a synchronous detector which detects the light deflected by the polygon mirror for synchronous detection and generates a signal for controlling a timing at which the scanning of the surface is started, and a fixing element which secures one end of the optical element. The light emitting elements of the light source are aligned with a certain tilt angle relative to the sub scanning direction. Light from one of the light emitting elements disposed closest to the fixing element in a main scanning direction is used for synchronous detection.

Abstract: An optical scanner includes a light source including a plurality of light emitting elements, a polygon mirror which deflects light from the light source for scanning a surface of a subject, an optical element arranged between the light source and the polygon mirror, having optical power in a sub scanning direction, a synchronous detector which detects the light deflected by the polygon mirror for synchronous detection and generates a signal for controlling a timing at which the scanning of the surface is started, and a fixing element which secures one end of the optical element. The light emitting elements of the light source are aligned with a certain tilt angle relative to the sub scanning direction. Light from one of the light emitting elements disposed closest to the fixing element in a main scanning direction is used for synchronous detection.

Abstract: An image forming apparatus includes an image bearer, an exposure device, a (hive device, a cleaning body, and an exposure device holder. The exposure device is disposed on a motion trajectory between an exposure position and a retracted position and emits light to the image bearer via a lens having a lens surface at the exposure position. The drive device causes the exposure device to move between the exposure position and the retracted position. The cleaning body disposed on the motion trajectory of the exposure device tilts a cleaning surface when contacting with the lens surface of the exposure device. The exposure device holder supports the exposure device while changing an attitude of the exposure device such that the lens surface remains in contact with the cleaning surface of the cleaning body when the exposure device moves from the retracted position to the exposure position.

Abstract: A cable cover of this invention is used for guiding the orientation of a cable that extends out from a connector. This cable cover includes a pair of divided bodies, a cable passage, and a supporting portion. The pair of divided bodies have a pair of joining faces that are to be joined to each other. The cable passage includes a bent passage portion for housing a bent portion of the cable. The supporting portion extends as a curved surface along the forward direction of the cable in the bent passage portion, and is configured to be able to support an inward portion of the bend in the bent portion.