Fuji Xerox Co., Ltd.

Keisuke Uchiyama

Keisuke Kubo

Akira Yamazaki

Makoto Hirota

Makoto Kanno

Atsushi Funada

Shinichiro Fujimori

Masanori Kato

Ryuji Hattori

Kazuyuki Koda

Kaoru Takahashi

Tsuyoshi Mabara

Yuji Sakoda

An image reading device includes: a transport path; a reading member that reads an image of a document at a reading position on the transport path, and that includes a light source movable with respect to the reading position in a sub scanning direction which extends along a document transport direction and being capable of reading at positions in the vertical scanning direction; a reflecting member that has a reflecting surface that faces the reading member; a movement controller that controls the reading member so as to move the light source with respect to the reading position before the document is transported to the reading position when the reading member reads the image; a dust determination unit that determines presence of dust; and an announcement member that announces presence of dust to a user when dust is present.

Image reading device and image forming device for detecting presence of dust on a reading position

Disclosed is a packing structure of a developer container, including a developer container that contains a developer and is formed with a supply port for supply of the developer, a transport member that is provided in the developer container and transports the developer to the supply port while stirring the developer, a packing member that packs the developer container from an end portion of the transport member in an axial direction thereof to a central portion of the transport member in the axial direction, and a unit that moves the transport member by an operation of detaching the packing member from the developer container.

Packing structure of developer container

An image reading device includes: a supplying tray on which a document is placed; a document conveyer that successively conveys the document placed on the supplying tray toward a reading position; a plurality of detection sensors that are disposed in a plurality of positions in a width direction intersecting a conveyance direction of the document, and detect a front edge of the document in the conveyance direction when the document is placed on the supplying tray; and a document reading portion that reads an image on the document passing the reading position, and generates an image signal.

Image reading device and copier

A document reading device includes: a reading position at which information on a document is read; a light source that radiates light toward the document passing through the reading position; a light receiving section that receives reflected light generated from the light from the light source; and a background reflection section disposed to reflect the light from the light source so as to be received by the light receiving section through the reading position. When the document is not present, the background reflection section reflects an amount of light that is greater than an amount of document-reflected light reflected by the document which is white. The background reflection section is formed by processing a specular surface so as to reflect an amount of light that is less than an amount of specularly reflected light reflected by a specular surface.

Document reading device and image formation apparatus

A developing device includes: a first developing body that develops a developing agent image on a development surface using a developing agent; a second developing body that develops a developing agent image on the development surface using the developing agent; and a sealing member that is disposed between a region where a first delivery pole and a second delivery pole are opposed to each other and the development surface, and adjacently to the first developing body and the second developing body at distances so small that developing agents formed as magnetic brushes on a first conveyance pole and a second conveyance pole respectively can touch the sealing member to secure sealing to prevent the developing agent from leaking to the outside of a device body.

Growing community of inventors

Kanagawa, Japan

Keisuke Uchiyama