| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 430119700 | With subsequent imaging member cleaning | 8 |
| 20100183972 | Image-bearing member protecting agent, protective layer forming device, image forming method, image forming apparatus, and process cartridge - An image-bearing member protecting agent including: a hydrophobic organic compound (A); an inorganic lubricant (B); and inorganic fine particles (C), wherein each of the inorganic fine particles (C) has a specific surface area of 2.0 m | 07-22-2010 |
| 430119710 | Identified radiation conductive surface | 1 |
| 20140220488 | IMAGE FORMING METHOD - Provided is an image forming method, in which excellent cleaning properties are obtained for a long period of time even when the process is employed to an image forming apparatus with a charging roller for charging a photoreceptor, and a favorable image can be formed while inhibiting occurrence of a black spots-like image defect even in a high temperature and high humidity environment. In the image forming method, charging of a photoreceptor in a charging step is performed by a charging roller. A toner for electrostatic image development includes toner base particles added with an external additive. The external additive contains at least first external additive particles composed of a polytetrafluoroethylene and second external additive particles composed of at least one selected from a fatty acid metal salt and an amide wax. The number average molecular weight of the polytetrafluoroethylene constituting the first external additive particles is 500 to 20,000, and the second external additive particles are added in a ratio of 0.01 to 0.5 parts by mass per 100 parts by mass of the toner base particles. | 08-07-2014 |
| 430119800 | Using identified cleaning element or material (e.g., brush, etc.) | 3 |
| 430119820 | Cleaning with blade | 3 |
| 20080213686 | Developing Method and Developing Unit - The present invention provides a developing method and a developing unit which can obtain a favorable image quality and the like even when a surface roughness Rz of a developing sleeve is changed or when an amorphous-silicon photoconductor is used by allowing the magnetic monocomponent toner to effectively jump to a photoconductor from a developing sleeve. To attain such an object, the present invention provides a magnetic monocomponent jumping developing system and a developing unit which uses the method, wherein as the magnetic monocomponent toner, a toner having a volume center particle size which is calculated from the particle size distribution based on volume and falls within a range from 6.0 to 7.8 μm, having the sphericity which falls within a range from 0.92 to 0.98, and setting a toner quantity having a volume particle size of 5.04 μm or less to a value which falls within a range from 2.5 to 10.0 volume % is used and, at the same time, assuming a toner quantity per unit area of the toner image as A, a following relationship formula (1) is satisfied. | 09-04-2008 |
| 20100248129 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus includes: a latent image carrier which circumferentially rotates in a predetermined rotational direction; a conductive blade which cleans a surface of the latent image carrier by being in contact with the surface of the latent image carrier, and charges the surface of the latent image carrier at a first electric potential having the same polarity as normal charged polarity of a toner according to application of direct current voltage having the same polarity as the normal charged polarity of the toner, in a predetermined cleaning and charging position; and a charger which provides electric charge having reverse polarity to the normal charged polarity and adjusts an electric potential of the surface of the latent image carrier to a second electric potential, in a secondary charging position located on a downstream side of the cleaning and charging position in the rotational direction. | 09-30-2010 |
| 20120107739 | ELECTROSTATIC LATENT IMAGE DEVELOPER, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE AND IMAGE FORMING METHOD - The present invention provides an electrostatic latent image developer used in an image forming apparatus including: an image holding member; a charging unit; a latent image forming unit; a developing unit which stores the electrostatic latent image developer and includes a developer holding member, wherein the developing unit develops the electrostatic latent image formed on the image holding member by bringing a magnetic brush, which is formed on a surface of the developer holding member by the electrostatic latent image developer, into contact with the image holding member, to form a toner image; a transfer unit; a cleaning unit; and a lubricant applying unit, wherein the electrostatic latent image developer contains a toner having a 50% integrated volume particle diameter of from 3.0 to 6.0 μm, and a carrier having a mean magnetization of 5.0×10 | 05-03-2012 |
| 430119860 | Cleaning away identified component (e.g., toner or toner additive, etc.) | 3 |
| 20110151372 | TONER, IMAGE FORMING METHOD USING THE TONER, AND IMAGE FORMING APPARATUS USING THE TONER - A toner obtained by a toner production method which includes dissolving or dispersing in an organic solvent a toner material containing at least a calixarene derivative and a binder resin or a binder resin precursor, to thereby prepare a solution or dispersion liquid of the toner material, adding the solution or dispersion liquid to an aqueous medium for emulsification or dispersion, to thereby prepare an emulsion or dispersion liquid, and removing the organic solvent from the emulsion or dispersion liquid. | 06-23-2011 |
| 20110217651 | IMAGE FORMATION METHOD AND IMAGE FORMATION APPARATUS - Disclosed is an image formation method comprising the steps of charging an organic photoreceptor by a charging device, the organic photoreceptor comprising a substrate and provided thereon, a photoreceptive layer and a protective layer in that order; imagewise exposing the charged organic photoreceptor by an exposure device to form an electrostatic latent image; developing the electrostatic latent image by a developing device to form a toner image, the developing device comprising a developer containing a toner; transferring the toner image to a recording medium by a transfer device; and then removing, by a cleaning device, a toner remaining on the organic photoreceptor from the organic photoreceptor, wherein the protective layer is formed by polymerization of a polymerizable composition containing a polymerizable compound with a polymerizable functional group, and wherein the toner contains an antioxidant. | 09-08-2011 |
| 430119870 | With recycling of cleaned developer or developer component | 1 |
| 20110229818 | IMAGE FORMING APPARATUS AND METHOD - An image forming apparatus includes a developing device that uses a developer carrier to advance to an image carrier a developer including a toner and a carrier and supplies the toner to the image carrier by applying a developing bias between the developer carrier and the image carrier. In the image forming apparatus, the following operation is performed before the developer in the developing device is taken out. The toner is supplied to the image carrier by applying the developing bias between the developer carrier and the image carrier, the developing bias increased in a direction to supply the toner to the image carrier. The toner supplied onto the image carrier is not transferred to a transfer receiving material but is advanced into a toner recovery device for recovery. The recovered toner is prevented from being returned to the developing device. | 09-22-2011 |
