Abstract: An electrostatic charge image developing toner includes toner particles including a binder resin that contains a copolymer formed by copolymerizing at least an aromatic vinyl monomer and an aliphatic unsaturated alkyl carboxylate ester, wherein a weight ratio of component M1 of the aromatic vinyl monomer and component M2 of the aliphatic unsaturated alkyl carboxylate ester in the copolymer satisfies the following expression (1), and a weight ratio of volatile component m1 of the aromatic vinyl monomer and volatile component m2 of the aliphatic unsaturated alkyl carboxylate ester, as measured by a headspace method, satisfies the following expression (2): 0.10?MW2/(MW1+MW2)?0.30??Expression (1) 0.70?mw2/(mw1+mw2)?0.98??Expression (2) wherein MW1 represents the weight of M1, MW2 represents the weight of M2, mw1 represents the weight of m1, and mw2 represents the weight of m2.

Abstract: An electrostatic charge image developing toner includes a binder resin containing a polyester resin, a release agent, a colorant, and an aromatic aldehyde compound, the content of which exceeds 100 ppm and is equal to or smaller than 1200 ppm.

Abstract: An image forming apparatus includes an image carrier, a holding roller which holds thereon developer attached on the image carrier, a transfer member which transfers a developer image on the image carrier to a transfer medium, a collection device which collects the developer on the holding roller via the image carrier, and a control device which executes a collection control of causing the developer held on the holding roller to move to the image carrier such that the collection device collects the developer via the image carrier. The control device applies to the holding roller a first discharge bias having a polarity same as the developer after the collection control starts until a first time elapses and thereafter applies to the holding roller a second discharge bias having a polarity same as the developer and having an absolute value larger than the first discharge bias.

Abstract: An image forming apparatus includes an image carrier, a holding roller which holds thereon developer attached on the image carrier, a transfer member which transfers a developer image on the image carrier to a transfer medium, a collection device which collects the developer on the holding roller via the image carrier, and a control device which executes a collection control of causing the developer held on the holding roller to move to the image carrier such that the collection device collects the developer via the image carrier. The control device applies to the holding roller a first discharge bias having a polarity same as the developer after the collection control starts until a first time elapses and thereafter applies to the holding roller a second discharge bias having a polarity same as the developer and having an absolute value larger than the first discharge bias.

Abstract: A non-magnetic single-component toner includes a toner base particle that contains at least a binder resin and a colorant, and an external additive, wherein the external additive includes an organic particle and an inorganic particle, the binder resin contains at least an amorphous polyester resin and a crystalline polyester resin, an endothermic peak of the crystalline polyester resin obtained by differential scanning calorimetry is from 50° C. to 100° C., the organic particle contains at least one kind selected from a group consisting of higher fatty acid, higher alcohol, fatty acid ester, and fatty acid amide, and the inorganic particle is treated with silicone oil.

Abstract: A carrier for electrostatic image development includes: a carrier body including a core and a resin coating layer on the core; and first spherical silica particles having a volume-average particle diameter of from 50 nm to 300 nm that adhere to the surface of the carrier body at a ratio of from 0.001 parts by weight to 0.100 parts by weight relative to 100 parts by weight of the carrier body.

Abstract: A voice chat system includes a plurality of information processing apparatuses that performs a voice chat while performing speech recognition and a search server connected to the plural information processing apparatuses via a communication network. The search server discloses a search keyword list containing the search keywords searched by the search server to at least one of the plural information processing apparatuses. The at least one information processing apparatus includes a recognition word dictionary generating unit that acquires the search keyword list from the search server to generate a recognition word dictionary containing words for use in the speech recognition, and a speech recognition unit that performs speech recognition on voice data obtained from a dialog of the conversation during the voice chat by referencing a recognition database containing the recognition word dictionary.

Abstract: An electrostatic-image-developing toner includes a polyester resin; two or more pigments; a polyethylene wax; and a polyolefin-polyvinyl-based graft copolymer, and satisfies the relationship represented by the following equation (1): 0.2?wd/wp?5.0??(1) wherein wp represents a total content (wt. %) of the pigments, and wd represents a content (wt. %) of the polyolefin-polyvinyl-based graft copolymer.

Abstract: A positively chargeable two-component developer, including at least a toner and a carrier, wherein the toner contains a binder resin, a colorant, a wax, and a charge control agent, the binder resin contains at least a polyester resin and an addition polymerization resin grafted with a polyolefin, the wax and the addition polymerization resin grafted with a polyolefin are contained at a wax:addition polymerization resin grafted with a polyolefin ratio of from about 40:60 to about 80:20, and the carrier is a magnetic powder having a coating layer containing a methyl-containing silicone resin.

Abstract: Based on a first image and a second image among a plurality of images, a first region in the first image and a second region in the second image are specified. The first region in the first image and the second region in the second image has a correlation with each other. The first image and the second image are displayed based on the specified regions, and a layout for arranging the first image and the second image is determined in accordance with a user instruction via a display screen.

Abstract: A peripheral device control system with high operability, which can provide a device management screen that provides appropriate display contents and functions according to a user's use environment, is implemented. The system is configured by an information processing apparatus, a peripheral device, a peripheral device management function required to manage the peripheral device, a peripheral device management screen, peripheral device management function control information, a first application, a first driver, and a second driver. When the first application is launched from the peripheral device management screen, a first driver name is generated using a second driver name, and is set as a default device.

Abstract: A carrier for electrostatic image development includes: a carrier body including a core and a resin coating layer on the core; and first spherical silica particles having a volume-average particle diameter of from 50 nm to 300 nm that adhere to the surface of the carrier body at a ratio of from 0.001 parts by weight to 0.100 parts by weight relative to 100 parts by weight of the carrier body.

Abstract: The invention provides a developer having at least a toner, an aeration ratio (AR) of the developer measured by a powder rheometer being in a range of about 5.0 to about 10.0. It is preferable that the developer further contains an external additive of silica particles having a small diameter. The invention further provides a process cartridge having at least: a photoreceptor; and a developing device that comprises plura developer storage portions and that makes visible a latent image formed on the photoreceptor by using the developer. The invention further provides an image forming apparatus having at least the process cartridge.

Abstract: An electrostatic-image-developing toner includes a polyester resin; two or more pigments; a polyethylene wax; and a polyolefin-polyvinyl-based graft copolymer, and satisfies the relationship represented by the following equation (1): 0.2?wd/wp?5.0 ??(1) wherein wp represents a total content (wt. %) of the pigments, and wd represents a content (wt. %) of the polyolefin-polyvinyl-based graft copolymer.

Abstract: There is provided an image reading apparatus that can read a plurality of images without troublesome operations by a user, in which a small-size light source with a small electric power consumption is used as an illumination light source used for reading an image of a transparent original. A surface illumination light source having a size large enough to illuminate one image among a plurality of images included in a transparent original is moved sequentially to positions at which the illumination light source can illuminate the respective images. Each image is read while the illumination light source is kept stationary at the position of the image. In addition, at the position of each image, the transparent original is pressed against an original table of the image reading apparatus.

Abstract: A positively chargeable two-component developer, including at least a toner and a carrier, wherein the toner contains a binder resin, a colorant, a wax, and a charge control agent, the binder resin contains at least a polyester resin and an addition polymerization resin grafted with a polyolefin, the wax and the addition polymerization resin grafted with a polyolefin are contained at a wax:addition polymerization resin grafted with a polyolefin ratio of from about 40:60 to about 80:20, and the carrier is a magnetic powder having a coating layer containing a methyl-containing silicone resin.

Abstract: An image scanning apparatus is capable of successively scanning a plurality of documents arranged on a document plate in an efficient manner by moving a sensor unit over the documents in a sub-scanning direction. When the plurality of documents arranged on the document plate is scanned, the motion of the sensor unit is selectively controlled in such a manner that after completion of scanning one document, the sensor unit is returned to its home position before starting scanning a next document, the sensor unit is temporarily stopped before starting scanning the next document, or the sensor unit is moved backward by a particular distance before starting scanning the next document.

Abstract: A voice chat system includes a plurality of information processing apparatuses that performs a voice chat while performing speech recognition and a search server connected to the plural information processing apparatuses via a communication network. The search server discloses a search keyword list containing the search keywords searched by the search server to at least one of the plural information processing apparatuses. The at least one information processing apparatus includes a recognition word dictionary generating unit that acquires the search keyword list from the search server to generate a recognition word dictionary containing words for use in the speech recognition, and a speech recognition unit that performs speech recognition on voice data obtained from a dialog of the conversation during the voice chat by referencing a recognition database containing the recognition word dictionary.

Abstract: The invention provides a developer having at least a toner, an aeration ratio (AR) of the developer measured by a powder rheometer being in a range of about 5.0 to about 10.0. It is preferable that the developer further contains an external additive of silica particles having a small diameter. The invention further provides a process cartridge having at least: a photoreceptor; and a developing device that comprises plura developer storage portions and that makes visible a latent image formed on the photoreceptor by using the developer. The invention further provides an image forming apparatus having at least the process cartridge.

Abstract: The present invention discloses a single-component magnetic developer having a total energy amount, measured with a powder rheometer at a rotor tip end speed of 100 mm/sec at a rotor helix angle of ?5° at a ventilation rate of 20 ml/min, of 10 to 100 mJ; and a developing method, including agitating a developer in a developer container with an agitating member, forming a developer layer on a developer-carrying member, and applying an electric field to a development zone so as to develop a latent image on an electrostatic latent image-holding member with the developer layer, wherein the ratio Va/Vs of the rotational frequency Va of the agitating member to that Vs of the developer-carrying member is 0.