Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

Shigeru Tsukada

Naoya Yamasaki

Shunichiro Shishikura

Masayuki Aratake

Taisuke Endo

Kunio Yamada

Hiroyuki Kono

Toru Yoshida

Tomohisa Suzuki

Hideki Yamamoto

Matsuyuki Aoki

Masao Seki

Yoshiya Mashimo

Yusuke Kabe

Satoshi Tomita

Satoko Imai

Koji Ohashi

Kyoichi Imon

Hiroyuki Akanuma

Mariko Emi

Toshihiro Osawa

A supporter includes: a first plate; a second plate that stands erect from a first edge of the first plate, and changes an angle between the second plate and the first plate when elastically deformed upon receipt of a load; a third plate that extends in a direction away from the first plate from a second edge of the second plate on a higher side, and changes an angle between the third plate and the second plate when elastically deformed upon receipt of a load; a fourth plate that stands erect and extends from a third edge of the third plate on a side away from the first plate, and reduces an angle between the fourth plate and the third plate when elastically deformed upon receipt of a load; and a support portion that is continuous with an upper portion of the fourth plate and supports a to-be-supported object.

Supporter and carrier

A supporter includes: a first plate portion having a placement surface on which a support object is to be placed; a second plate portion that transmits downward a weight of the support object placed on the placement surface; a left third plate portion that is disposed between the first plate portion and the second plate portion and that extends diagonally in a direction such that a lower part thereof is separated further leftward; and a right third plate portion that is disposed between the first plate portion and the second plate portion on a right side of the left third plate portion and that extends diagonally in a direction such that a lower part thereof is separated further rightward.

Supporter surface having plates

A pallet includes at least one top board on which a load is to be placed and at least one substantially plate-shaped stringer board that is provided independently of the top board and that has at least one non-contact portion, which is not in contact with the top board in a region between the stringer board and the top board, the stringer board being in contact with the top board in a vertical direction.

Pallet

A power control system includes an image forming apparatus, a power calculating unit, and a condition controller. The image forming apparatus operates using power, forms an image corresponding to image information in a first operation mode, and enters a second operation mode in which power consumption is smaller than the first operation mode when the image forming apparatus satisfies a specific transition condition. The power calculating unit calculates power supplied from a power supplying unit. The condition controller controls the specific transition condition for the image forming apparatus in accordance with the power calculated by the power calculating unit.

Power control system and power control method

An image forming apparatus includes plural image holding members; an intermediate transfer material; a transfer unit that transfers the toner images onto a recording medium; a density control toner image creating unit that creates a density control toner image at a constant position on each of the image holding members; a density detection unit that detects density of the density control toner image transferred onto a non-image region; and a creation timing control unit that controls timing of creating the density control toner image to create the density control toner image in the non-image region of the intermediate transfer material at a position where a length obtained by integrally multiplying the length obtained by adding the non-image region to the image region along the moving direction of the intermediate transfer material becomes equal to a length obtained by integrally multiplying the circumferential length of the image holding member.

Image forming apparatus for controlling image density

An image forming device includes an image forming section; a storage section that stores a target darkness of a standard image; a measurement section that measures the darkness of the image formed by the image forming section; a user calibration section that causes the image forming section to form a standard image causes the measurement section to measure the darkness of that standard image, and if there is a discrepancy between the darkness of the standard image specified by the measurement of the physical quantity and the target darkness stored in the storage section, adjusts the image formation conditions to eliminate the discrepancy; a manual darkness adjustment section that changes the image formation conditions to content that is specified by the user; a control section that causes the image forming section to follow image formation conditions that do not reflect the content changed by the manual darkness adjustment section.

Image forming device with a manual darkness adjusting section

An image forming apparatus includes an image carrier on which an electrostatic latent image is formed, a rotary developing device having N developer carriers, where N defines a total number of developer carriers, the N developer carriers carrying developers to develop the electrostatic latent image, and the rotary developing device moves the N developer carriers to a development position opposite to the image carrier, and a toner concentration sensor that measures toner concentrations of the developers carried in the developer carriers. A measurement position of the toner concentration sensor is set on a second virtual straight line with the second virtual straight line having a first angle or an angle that is double the first angle toward a first virtual straight line on a rotation orbit of the rotary device, and the first virtual straight line connects a rotation center of the rotary developing device and the development position. The N developer carriers are placed in turn in an order starting from a first developer carrier to an N-th developer carrier at the same angular interval as the first angle on the rotation orbit of the rotary developing device, and an angular interval between the N-th developer carrier and the first developer carrier is set to a second angle greater than the first angle.

Image forming apparatus having a toner concentration sensor

An image forming apparatus comprises: a rotary unit having a plurality of development devices provided around a rotary shaft, the development device including a constituent unit, wherein the plurality of the development devices move to a development position where the development devices sequentially oppose an image carrier by rotation of the rotary unit, and the development device in the development position develops an electrostatic latent image on the image carrier,

Image forming apparatus

An image forming apparatus includes an image carrier on which an electrostatic latent image is formed, a rotary developing device having N developer carriers on a rotation orbit and moving the N developer carriers to a development position opposite to the image carrier, and a toner concentration sensor that measures toner concentrations of the developers. A measurement position of the toner concentration sensor is set on a second virtual straight line having a first angle toward a first virtual straight line that connects a rotation center of the rotary developing device and the development position. The N developer carriers are placed in turn in an order at the same angular interval as the first angle, and an angular interval between the N-th and first developer carriers is set to a second angle greater than the first angle.

An image forming apparatus includes a rotary unit that has a rotary shaft, and a plurality of development devices each of which has a constituent unit, the development devices provided around the rotary shaft; and a plurality of state detection units that detects at least one of states of the development devices and states of the constituent unit; wherein the rotary unit is rotated so that the development devices sequentially pass a development position facing a photosensitive member; wherein when any of the development devices is located at the development position, the development device makes an electrostatic latent image on the photosensitive member visible; and wherein each of the state detection units detects at least one of the development devices and the states of the constituent unit during a single stop of rotation of the rotary unit.

Image forming apparatus with a plurality of development devices

An image forming apparatus includes: an image carrier on which an electrostatic latent image is to be formed; a rotary development unit having a plurality of developer carriers that carry a developer used for developing the electrostatic latent image, the developer including toner, the plurality of the developer carriers being sequentially moved to a development position opposing to the image carrier, to switch a development color; and a toner concentration detection unit that detects the concentration of toner of the developer carried by one of the developer carriers located at the development position.

Image forming apparatus with toner concentration detection unit

An image forming apparatus includes an image carrier on which an electrostatic latent image is formed, a rotary developing device having N developer carriers on an rotation orbit and moving the N developer carriers to a development position opposite to the image carrier, and a toner concentration sensor that measures toner concentrations of the developers. A measurement position of the toner concentration sensor is set on a second virtual straight line having a first angle toward a first virtual straight line that connects a rotation center of the rotary developing device and the development position. The N developer carriers are placed in turn in an order at the same angular interval as the first angle, and an angular interval between the N-th and first developer carriers is set to a second angle greater than the first angle.

An image forming apparatus includes a rotary unit having a plurality of development devices provided around a rotary shaft, the development device having a constituent unit, wherein: a plurality of the development devices sequentially move to a development position, where the development devices oppose an image carrier by rotation of the rotary unit, and a development device located at the development position develops an electrostatic latent image on the image carrier; each of the plurality of development devices has a state detection unit that detects at least one of a state of the development device and a state of a constituent unit of the development device; and the state detection unit of each of the development devices performs state detection when the development device having the state detection unit is located at the development position.

Rotary-type developing device and image forming apparatus

An image forming apparatus that prepares a toner patch including a predetermined gradation area percentage on an image support to detect a developing concentration. An optical sensor detects reflected light from the background of the image support and reflected light from the toner patch prepared on the image support. The reflected light detected by the optical sensor is then controlled in response to the gradation area percentage of the prepared toner patch.

Image forming apparatus that control the reflected light detected by an

A method of gradation and selection of micro picture elements in a picture display where the picture is reproduced as a plurality of dots each corresponding to a picture element comprised of a plurality of micro picture elements. Each picture element is shaped and the gradation selected such that the number of colored micro picture elements in point-contact of contiguous picture elements is not larger than two.

Growing community of inventors

Kanagawa, Japan

Shigeru Tsukada