Abstract: A package includes a print target material on which printing is to be performed by a printing apparatus. The package includes a plate-like member, a positioning target portion, and an opening portion. The plate-like member configured to hold a portion on which printing is to be performed, of the print target material to cause the portion to be flat. The positioning target portion is arranged in the plate-like member and configured to engage with a positioning member configured to position the print target material with respect to a printing position in the printing apparatus. A portion of a printing region of the print target material is opened in the opening portion.

Abstract: A package includes a print target material on which printing is to be performed by a printing apparatus. The package includes a plate-like member, a positioning target portion, and an opening portion. The plate-like member configured to hold a portion on which printing is to be performed, of the print target material to cause the portion to be flat. The positioning target portion is arranged in the plate-like member and configured to engage with a positioning member configured to position the print target material with respect to a printing position in the printing apparatus. A portion of a printing region of the print target material is opened in the opening portion.

Abstract: A rotation drive device includes a driven rotation member, a driving rotation member, a rotation relay member, a shaft, and a holder. The rotation relay member transmits only a unidirectional rotational driving force from the driving rotation member to the driven rotation member. The rotation relay member includes a housing and a cylindrical one-way clutch. A contact portion between the driving rotation member and the shaft is configured to rotate the driving rotation member and the shaft to transmit the driving force to an inner peripheral side of the cylindrical one-way clutch via the shaft. The driving rotation member includes a boss projected toward the holder and rotatably held in the holder. A portion of the shaft to support the driving rotation member and an inner wall surface of a through hole of the driving rotation member are shaped to rotate the shaft and the driving rotation member. together.

Abstract: A reading device includes a feeder, a reading unit, and circuitry. The feeder feeds a document. The reading unit reads the document fed by the feeder. The circuitry acquires image data of the document read by the reading unit, in a mode selected in accordance with a predetermined selection condition from a plurality of modes that includes a first mode for acquiring image data including a document area of the document and an outside area other than the document area and a second mode for acquiring image data of an area not including the outside area.

Abstract: A rotation drive device includes a driven rotation member, a driving rotation member, a rotation relay member, a shaft, and a holder. The rotation relay member transmits only a unidirectional rotational driving force from the driving rotation member to the driven rotation member. The rotation relay member includes a housing and a cylindrical one-way clutch. A contact portion between the driving rotation member and the shaft is configured to rotate the driving rotation member and the shaft to transmit the driving force to an inner peripheral side of the cylindrical one-way clutch via the shaft. The driving rotation member includes a boss projected toward the holder and rotatably held in the holder. A portion of the shaft to support the driving rotation member and an inner wall surface of a through hole of the driving rotation member are shaped to rotate the shaft and the driving rotation member. together.

Abstract: An image forming apparatus includes an outer cover in which an air intake and an exhaust outlet are formed, an image forming unit, a fixing device to fix an image on a recording medium and including a fixing casing in which a sheet inlet and a first exhaust opening are formed, and a thermal shield disposed above the sheet inlet of the fixing device and between the fixing device and a component adjacent to the fixing device, an air channel to guide air sucked in through the air intake to the exhaust outlet, defined by the thermal shield as well as the fixing casing. The first exhaust opening formed in the fixing casing communicates with the air channel formed by the thermal shield and the fixing casing to merge the hot air discharged from the fixing device into the air flowing in the air channel.

Abstract: An interlock system includes first and second racks movable in parallel to each other in a longitudinal direction between opening and closing positions in conjunction with opening and closing of the first cover, respectively. A housing is provided to slidably accommodate the first and second racks in the longitudinal direction. A pinion unit is provided and is sandwiched by the first and second racks. The first and second racks have meshing sections respectively meshing with the pinion unit at one side surfaces extending in the longitudinal direction facing each other. The pinion unit slides in the longitudinal direction by a prescribed length in conjunction with movement of at least one of the first and second racks. The interlock switch is turned on and off in accordance with a sliding length of the pinion unit in the longitudinal direction.

Abstract: An image forming apparatus includes a handle member that is held by an operator when an orientation of the image forming apparatus is changed from a predetermined use orientation to a different orientation; and a blocking unit that is caused to block a path between the inside and an opening of a toner container, without being powered, in association with an operator operation performed to the handle member upon changing the orientation of the image forming apparatus from the use orientation to the different orientation.

Abstract: In a paper feeder, a signal switching unit switches a paper present signal output from a paper detector to a paper absent signal indicative of absence of a paper in the second paper cassette if a first paper cassette is pulled out from a specific position.

Abstract: An image forming apparatus includes a latent image carrier, a latent image forming unit to form an electrostatic latent image on the latent image carrier, at least one developing device disposed to contact the latent image carrier to develop the latent image with developer stored therein, a cooling mechanism including at least one cooling device disposed close to the developing device to cool the developing device, a developer amount detector electrically connected to the developing device to detect an amount of the developer remaining in the developing device, and a cooling mechanism controller connected to the cooling mechanism to change a cooling power of the cooling mechanism according to a detection result generated by the developer amount detector. The developing device includes a rotary member whose shaft is rotationally supported by at least one bearing and is not to be supplied with new developer while any developer remains therein.

Abstract: An image forming apparatus includes a transfer belt that conveys a transfer material, and a photosensitive body that catches the transfer material between the photosensitive body and the transfer belt and that transfers a toner image to the transfer material. The transfer belt is driven in conjunction with the opening action of the front cover, and the photosensitive body is separated from the transfer belt in conjunction with the opening action of the front cover.

Abstract: An image forming apparatus includes an outer cover in which an air intake and an exhaust outlet are formed, an image forming unit, a fixing device to fix an image on a recording medium and including a fixing casing in which a sheet inlet and a first exhaust opening are formed, and a thermal shield disposed above the sheet inlet of the fixing device and between the fixing device and a component adjacent to the fixing device, an air channel to guide air sucked in through the air intake to the exhaust outlet, defined by the thermal shield as well as the fixing casing. The first exhaust opening formed in the fixing casing communicates with the air channel formed by the thermal shield and the fixing casing to merge the hot air discharged from the fixing device into the air flowing in the air channel.

Abstract: In an interlock device for turning a switch on and off in accordance with closing and opening of a plurality of covers covering a body of an electronic apparatus, one striker protrudes from each of the covers. An engagement member is provided inside the body of the electronic apparatus to move in a predetermined direction to contact and separate from the switch to turn the switch on and off. All the strikers contact the engagement member to turn on the switch when all the covers are closed. At least one of the strikers separates from the engagement member to turn off the switch when the corresponding cover is opened.

Abstract: A holding unit turns, while holding a latent image writing unit, centered on a turning axis that is arranged on a main body of an image forming apparatus between an opening position and a closing position with respect to the main body. A positioning unit arranged on the main body positions the latent image writing unit with respect to the image carrier, when the holding unit is at the closing position. A biasing unit biases the latent image writing unit to make a contact with the positioning unit. A shock absorbing unit absorbs a shock received by the holding unit and the latent image writing unit when the holding unit is moved from the opening position to the closing position.

Abstract: In a paper feeder, a signal switching unit switches a paper present signal output from a paper detector to a paper absent signal indicative of absence of a paper in the second paper cassette if a first paper cassette is pulled out from a specific position.

Abstract: An image forming apparatus capable of reliably positioning a process unit in a main image forming apparatus body, without impairing ease of mounting/dismounting of the process unit achieved by a simple structure. The image forming apparatus including a convex section, provided on the process unit, that projects towards the insertion side; an engagement section, provided on the main apparatus body, that positions the process unit in a width direction by engaging with the convex section; and a guidance section, provided on at least one of a tip end of the convex section and the main apparatus body, that guides the convex section towards the guidance section when mounting the process unit.

Abstract: In a paper feeder, a signal switching unit switches a paper present signal output from a paper detector to a paper absent signal indicative of absence of a paper in the second paper cassette if a first paper cassette is pulled out from a specific position.

Abstract: A biasing unit biases an exposing unit with respect to a main unit in at least one direction in a direction approaching the main body, so that the exposing unit makes contact with the main body in at least one portion to determine a position of the exposing unit with respect to the main body. A buffer unit relieves an impact the exposing unit receives from the main body, provided at or near the portion where the exposing unit makes contact with the main body. An attachment forming portion is provided for attaching the buffer unit in switching a functional state of the buffer unit between a buffer functional state and a buffer non-functional state.

Abstract: An interlock system includes first and second racks movable in parallel to each other in a longitudinal direction between opening and closing positions in conjunction with opening and closing of the first cover, respectively. A housing is provided to slidably accommodate the first and second racks in the longitudinal direction. A pinion unit is provided and is sandwiched by the first and second racks. The first and second racks have meshing sections respectively meshing with the pinion unit at one side surfaces extending in the longitudinal direction facing each other. The pinion unit slides in the longitudinal direction by a prescribed length in conjunction with movement of at least one of the first and second racks. The interlock switch is turned on and off in accordance with a sliding length of the pinion unit in the longitudinal direction.

Abstract: A housing structure includes a first structure, which has body frames and a first shaft supported by the body frames, a second structure to be movably supported between an opened position and a closed position by the first shaft, and a positioning device to position the second structure in relation to the first structure in the closed position. The positioning device includes a first engagement portion provided on the first structure, a second engagement portion provided on the second structure and engaged with the first engagement portion in the closed position, a first biasing device to bias the second engagement portion toward the second structure, and a second biasing device to bias the second engagement portion toward the first structure. The positioning device positions the second structure in relation to the first structure by biasing forces of the first biasing device and the second biasing device.