Canon Kabushiki Kaisha

Ryuta Mine

Tadaaki Saida

Shunsaku Kondo

Toshiyuki Abe

Manabu Yamauchi

Hideyuki Ikegami

Mitsuo Shiraishi

Naoto Yamada

Takeyuki Suda

Mitsuhiro Sugeta

Toshiyuki Sekiya

Junji Ishikawa

Seiji Shibaki

Hirohisa Kato

Koji Doi

Sejii Shibaki

A heating device capable of suppressing electrically conductive parts that electrically connect power supply electrodes and heating resistors from generating heat. The heating device has heating resistors disposed in a longitudinal direction of an elongated base plate and connected through electrically conductive parts to power supply electrodes disposed on one longitudinal end portion of the base plate and supplied with electric power from the power supply electrodes. The electrically conductive parts are formed such that electrically conductive parts that can provide larger amounts of power supply each have a larger cross-sectional area perpendicular to a power supply direction.

Heating device for heating recording material, and image forming apparatus having the same

A heating device which has power-supply electrodes concentratedly arranged in one longitudinal end of a substrate. The substrate is disposed in a manner contained in a fixing film. An inner heating resistor formed by at least one heating resistor disposed in a manner substantially symmetrical with respect to a reference position in a lateral direction of the substrate, and an outer heating resistor formed by a plurality of heating resistors disposed farther from the reference position in the lateral direction of the substrate than the inner heating resistor is and arranged in a manner substantially symmetrical with respect to the reference position. Power-supply electrodes connected to the inner heating resistor and power-supply electrodes connected to the outer heating resistor are all disposed in the one longitudinal end of the substrate.

Heating device for image fixing

The sheet binding apparatus comprises a movable stapler for binding a sheet bundle formed of a plurality of sheets; a movable stapler movement motor for moving the movable stapler between a first position and a second position, the first position, at which sheet conveyance from the image forming apparatus connected so as to be capable of feeding a sheet, and the second position, at which the sheet conveyance is not hampered and a sheet bundle which is manually provided without using the image forming apparatus is bound; and CPU for controlling the movable stapler movement motor to cause, when the image forming apparatus is in a state of not forming the image, the movable stapler to stand by at the second position.

Sheet binding processing apparatus, image forming system and binding method

To simplify control of a sheet feeding/conveying system while preventing a step-out phenomenon and saving power, provided is an image forming apparatus which detects a load angle of a first motor (M) for conveying an n-th sheet (P) (where n is a natural number equal to or larger than 1). In accordance with the detected load angle, a current value for the first motor (M) for conveying sheets (P) following the n-th sheet and a current value for a second motor (M) for conveying the n-th and subsequent sheets (P) are set. Such control is executed when power is turned ON or the like.

Image forming apparatus

A heating control device which is capable of detecting an abnormality of an object to be heated accurately. A power-supply unit applies the electric power to the electromagnetic induction heating coil. A magnetic flux detecting unit detects a magnetic flux emitted from the electromagnetic induction heating coil across the object, and outputs a voltage corresponding to the detected magnetic flux. A changing unit changes at least one of the detected magnetic flux voltage value and an abnormality detection threshold value based on relationship between an electric power set value that defines the electric power and an input voltage inputted to the power-supply unit. A determination unit compares the detected magnetic flux voltage value changed by the changing unit to the abnormality detection threshold value, and determines an abnormality of the object when the detected magnetic flux voltage value is larger than the abnormality detection threshold value.

Heating control device, heating control method, and image forming apparatus

An image forming apparatus including an electrophotographic process is disclosed. The image forming apparatus detects a load angle of a motor associated with conveying of an n-th sheet. In accordance with the detected load angle, current values for motors associated with conveying of the n-th sheet, a current value for a motor associated with feeding of sheets following the n-th sheet, and a current value for a motor associated with conveying of the sheets following the n-th sheet are set. Such control is executed when power is turned ON or the like.

Image forming apparatus with setting unit for setting current values for motor

An image forming apparatus is provided, in carrying out an image forming operation using a paper sheet, that uses a sheet containing a wireless tag that stores an address storing control information for performing an optimum image forming. The image forming apparatus obtains the address from the wireless tag using a receiving device, and obtains control information from a server via a network based on the obtained address. The image forming apparatus controls an image forming condition based on the control information, and carries out the image forming under image forming conditions optimum for the sheet.

Image forming apparatus, image forming system, and control program thereof to manage printing sheet communications

A data receiving system which enables, even when the location of a recipient is changed, a sender to always send data to the same transmission destination, and the recipient to obtain received data from a nearest output terminal apparatus. A server as the data receiving apparatus receives data addressed to an IP address, as received data through the Internet. A multi-function peripheral as an output terminal apparatus receives the received data from the server and outputs the same. In this case, the server selects the multi-function peripheral from registered multi-function peripherals based on the IP address to which the received data is addressed, and relationship map information, and then transfers the received data to the selected multi-function peripheral.

Data receiving system and data output method therefor, data receiving apparatus, and control program for implementing the data output method

Image forming apparatus in which surface electric potentials of a plurality of surface areas are detected by charging a photoconductor with a different applied bias for each predetermined timing and exposing a plurality of surface areas of the photoconductor by scanning the photoconductor with an optical beam, while changing an exposure intensity of the optical beam for each of the surface areas of the photoconductor. Then, the applied bias necessary for obtaining a predetermined electric potential of a dark section and the exposure intensity of the optical beam necessary for obtaining a predetermined electric potential of a bright section are controlled, on the basis of the surface electric potentials that are detected respectively from the different applied biases and the different exposure intensities. Thereby, the adjustment time can be made shorter than the conventional case.

Image forming apparatus and control method thereof

An image forming apparatus including an adjustment unit adapted to adjust an image to be formed by an image forming unit advises the next adjustment execution timing on the basis of cumulative use information obtained by the image forming unit, and changes the advised adjustment timing on the basis of selection input.

Image forming apparatus that allows an adjustable interval for adjusting an image

An image forming apparatus includes an image bearing body which can bear an electrostatic image; a bias member to which a predetermined bias is applied from a bias applying device; and a surface potential detection device which detects a surface potential at the image bearing body. The surface potential detection device includes a detector portion which generates a signal corresponding to the surface potential at the image bearing body and a potential detection portion which detects the surface potential by the signal from the detector portion. In the image forming apparatus, the potential detection portion is also used for detection of a bias value which the bias applying device applies to the bias member, the bias applying device is controlled based on the detection result of the bias which the bias applying device applies, and the bias detection result is obtained by the potential detection unit.

Image forming apparatus which includes an image bearing body surface potential detection feature

There is disclosed an LED array chip which can minimize LED optical property deterioration by addition of a surface protective film, and mainly side effects such as light quantity decrease and light quantity dispersion increase among light emitting bits. In the LED array chip comprising a plurality of LED light emitting elements arrayed in a row, a surface insulating film formed by the same material as a material of an inner-layer insulating film for forming a window to connect a wiring pattern in an internal electric circuit constitution and for establishing electric insulation between circuits and by the same thin film forming process as a process of the inner-layer insulating layer is formed in an thickness of 0.5 &mgr;m or less on the entire surface of a final surface layer excluding a wire bonding pad and including a light emitting portion surface.

LED chip, LED array chip, LED array head and image-forming apparatus

An LED array head for an electrophotographic system includes a base plate mounting thereon a number of linearly arranged LED chips and a support member holding the base plate. The base plate and the support member are bonded together by means of a principal adhesive agent which is elastic after hardening such as a silicone type and an auxiliary adhesive agent which hardens more quickly and is less elastic after hardening than the principal adhesive agent. An ultraviolet ray setting type adhesive agent is preferably used as the auxiliary adhesive agent. Assembling steps of such LED array heads can proceed without waiting for hardening of the principal adhesive agent.

Method for manufacturing led array head and led array head prepared by using the same

A heater control device that prevents a flickering by driving a fixing heater in a phase controlling at a fixed phase angle for predetermined duration when an image forming apparatus starts power supplying to the fixing heater.

Growing community of inventors

Toride, Japan

Ryuta Mine