Kyocera Document Solutions Inc.

Kyocera Mita Corporation

Akinori Matsuno

Masuo Kawamoto

Keisuke Mizuguchi

Takuya Miyamoto

Teruhiko Nagasgima

An image forming apparatus includes an image carrying member including a transfer belt or a photosensitive drum, a transfer unit configured to transfer a toner image carried on the image carrying member to a recording medium, a fixing unit disposed above the transfer unit and configured to heat and pressurize the toner image transferred to the recording medium and fix the toner image to the recording medium, a body stay having an opposing wall facing a side surface of the fixing unit, and a positioning part provided on the opposing wall and configured to perform positioning of the fixing unit. A chipped part is provided below the positioning part in the body stay and blocks transmission of heat transmitted from the fixing unit to the body stay via the positioning part.

Image forming apparatus including a chipped part to block the transmission of heat

A wiring structure according to the present disclosure includes a shield tube, a metal wire, and a plate-like member. The shield tube covers a wiring. The metal wire fixes the shield tube. The metal wire fixes the shield tube to the plate-like member by pressing the shield tube against the plate-like member. The plate-like member is connected to a grounding path in a manner that enables electric conduction. The shield tube is connected to the grounding path via the plate-like member in a manner that enables electric conduction.

Wiring structure and image forming apparatus

An image forming apparatus includes a drum unit supporting a photosensitive drum, a development unit forming a toner image on the photosensitive drum and a process frame. In the process frame, after the drum unit is installed along a predetermined installation direction, the development unit is installed along the installation direction. The process frame includes a pair of two supporting parts supporting a pair of two supported parts provided in the development unit. One supporting part is configured so as to support one supported part along a direction intersecting the installation direction and to restrict movement of the one supported part along the installation direction. Other supporting part is configured to restrict movement of other supported part along the installation direction when, after the other supported part is supported along the installation direction, the drum unit is installed to the process frame.

Process frame and image forming apparatus comprising same

An image forming apparatus includes an ID sensor arranged to face an intermediate transfer belt, and a board provided with the ID sensor. The ID sensor is integrally formed with the board and while emitting light toward the intermediate transfer belt, the ID sensor includes a sensor body that individually receives light regularly reflected and light diffused and reflected by the intermediate transfer belt, a lens that is arranged between the sensor body and the intermediate transfer belt to control emitted light from the sensor body and incident light to the sensor body, and a holding member that holds the lens. The holding member is directly welded and fixed to the board.

Image forming apparatus having an ID sensor

An image forming apparatus and a voltage supply method are provided which are capable of fulfilling a stable bias supply to a fittable-and-removable image forming unit and moreover offering improved accessibility to the board. The image forming apparatus includes a lower casing, an image forming unit, a high-voltage board, and a left interconnecting unit. The high-voltage board has a plurality of electric components and output terminals in its upper surface portion above the image forming unit. When a top cover of the lower casing is removed off, the high-voltage board is exposed. The left interconnecting unit is fitted to a side end portion of the high-voltage board and electrically connected to the output terminals of the high-voltage board. The left interconnecting unit supplies a voltage to the image forming unit via a side portion of the high-voltage board.

Image forming apparatus and voltage supply method

An image forming apparatus includes an inlet to which a power cable can connect. The inlet is sandwiched and fixed by two plate members from a direction crossing to a connection direction of the power cable.

Image forming apparatus

An image forming apparatus includes an apparatus main body and a unit. The apparatus main body includes a positioning hole extending in a first direction intersecting with a mounting direction of the unit, and a pair of first inner edges extending in the first direction. The unit includes a sheet metal member and a positioning unit formed on a distal end side of the sheet metal member in the mounting direction. The sheet metal member includes a first surface extending along the mounting direction and a second surface located on an opposite side from the first surface. The positioning unit includes a projection piece inserted into the positioning hole, and a protrusion. The protrusion is formed by deforming the sheet metal member such that the second surface of the projection piece is partially perpendicular to the mounting direction and projects to a second direction perpendicular to the first direction.

Image forming apparatus that achieves stable positioning of unit

An image forming apparatus includes an apparatus main body, a paper sheet feeder, an image forming circuit, a paper sheet discharge unit, and a high voltage circuit board. The paper sheet feeder is located in the apparatus main body to feed a sheet. The image forming circuit is located in the apparatus main body to form an image on the sheet fed by the paper sheet feeder. The image formed sheet with is discharged to the paper sheet discharge unit. The high voltage circuit board is located along a horizontal direction over the image forming circuit in the apparatus main body to supply a high voltage to the image forming circuit.

Image forming apparatus that prevents occurrence of failure in association with temperature rise of circuit board

A member moving mechanism includes a moving member, a moved member, a belt member, an openable-closable cover that is rotatable about a rotation shaft with the openable-closable cover engaged with the moving member, and a first biasing member. The moving member moves in a first negative direction with a biasing force of the first biasing member when the openable-closable cover rotates in an opening direction, while the moving member moves in a first positive direction against the biasing force of the first biasing member when the openable-closable cover rotates in a closing direction. The moving member has a boss formed to abut a first-positive-direction side of the engaging piece projecting from the rotation shaft. A biasing force in the opening direction is applied to the openable-closable cover by the boss pressing the engaging piece in the first negative direction with the biasing force of the first biasing member.

Member moving mechanism and image forming apparatus including same

A member moving mechanism includes a moving member movable in first positive and negative directions, a moved member that moves in second positive and negative directions when the moving member moves, a belt member connecting the moving member to the moved member, a belt-member guide member, an openable-closable cover engaged with the moving member, a first biasing member that biases the moved member in the second negative direction, and a second biasing member that biases the moving member in the first positive direction with a biasing force larger than that of the first biasing member. The moving member moves in the first positive direction with the biasing force of the second biasing member when the openable-closable cover moves in an opening direction, while the moving member moves in the first negative direction against the biasing force of the second biasing member when the openable-closable cover moves in a closing direction.

An image forming apparatus includes an opening/closing member, an opening/closing detecting device and an operating member. The opening/closing member turns integrally with a supporting shaft around the supporting shaft. The opening/closing detecting device detects an opening/closing state of the opening/closing member. The operating member turns integrally with the supporting shaft so as to interlock with turning of the opening/closing member. The operating member includes a pressing part having an external circumference face around the supporting shaft and a relief part having an external circumference face inside a rotation locus of the pressing part. The opening/closing detecting device includes a switch part switching between an ON position depressed by the pressing part in accordance with turning of the operating member, and an OFF position depressing-released by the relief part in accordance with turning of the operating member, and detects the opening/closing state of the opening/closing member by switching the switch part.

Image forming apparatus including an opening/closing detecting device

A sheet size setting device gives information for identifying a sheet size. The sheet size setting device includes a first rotary member, an engaging portion, a biasing member, a second rotary member, and an assisting mechanism. The first rotary member has a cylindrical shape, and is rotatable around and slidably movable along a first axis. The second rotary member is supported rotatably around a second axis parallel to the first axis. The first rotary member includes a plurality of detected portions, a plurality of engaged portions, and a first gear portion. The engaging portion is operable to engage with one of the plurality of engaged portions to thereby restrict the rotation of the first rotary member. The assisting mechanism applies a moving force to the first rotary member in the axial direction with the rotation of the second rotary member so that the engaged portion disengages from the engaging portion.

Sheet size setting device, and sheet feeding apparatus and image forming apparatus including the same

An image forming apparatus according to one aspect of the present disclosure includes a blowing portion and an air guide portion. The blowing portion blows air to a conveyance path of a sheet from a fixing device to a sheet discharge port. The air guide portion guides air blown from the blowing portion toward the downstream side in a sheet conveyance direction toward the sheet discharge port on the conveyance path.

An electronic device and image forming apparatus include a main body and an attachment unit. The main body includes a main-body side connector. The attachment unit includes a unit-side connector connectable with the main-body side connector and is mounted detachably on the main body. The main body includes a static electricity prevention member and a biasing member. The static electricity prevention member is configured to be movable between a first position and a second position. The static electricity prevention member partially or completely covers an outer periphery of a terminal of the main-body side connector at the first position and exposes this terminal at the second position. The attachment unit presses the static electricity prevention member from the first position to the second position against a biasing force applied by the biasing member, such that the main-body side connector is connected with the unit-side connector.

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Osaka, Japan

Akinori Matsuno