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Patent Searching and Data


Matches 351 - 400 out of 13,266

Document Document Title
JP4464469B2  
JP2010096784A
To provide a development apparatus without generating image irregularity over a long period of time by preventing flocculation of toner caused at a scraper edge in the development apparatus, and to provide an image forming apparatus usin...  
JP4458700B2  
JP2010093352A
To obtain an image reading apparatus which strikes a balance between image reading productivities and cleanness properties of contamination on a reading glass as much as possible.The image reading apparatus feeds a document just above a ...  
JP2010079223A
To provide an image forming apparatus that performs high-density printing to a solid region in a predetermined region without changing a process condition.The image forming apparatus includes: a data receiving unit 123 for receiving, fro...  
JP2010078897A
To provide an image forming device and an image forming method capable of fundamentally preventing an occurrence of offset during a fixing process and also suppressing an adverse effect on color reproducibility in a formed image.The imag...  
JP4438050B2  
JP4435992B2  
JP4433599B2  
JP2010030235A
To provide an image forming apparatus which continues printing by a printing method that does not use a both-side printing unit even when an error of the both-side printing unit occurs halfway through printing.The image forming apparatus...  
JP2010026335A
To provide a developing device having a configuration capable of obtaining a satisfactory image without image density variation by improving collection properties of untransferred toner, i.e. so-called transfer residual toner and by prev...  
JP2010019995A
To provide a transfer fixing device having no hazard of firing and excellent energy efficiency and capable of stably heating a recording medium regardless of the thickness of the medium, as a means for heating a recording medium prior to...  
JP2010014824A
To obtain sufficient resolution by suppressing the occurrence of such a flare that a ray of light from an object reaches an image forming surface, without being focused as a formed image.A lens array 1 is configured such that a lens plat...  
JP4401452B2  
JP2010008817A
To reduce power consumption when forming an image using an electrophotographic system, and to make image forming speed to one side and both sides of paper much higher.The image forming apparatus includes first and second image transfer p...  
JP4389425B2  
JP2009279768A
To obtain an image forming apparatus which reduces effects of an external force that acts on optical scanner.A casing 56 of the optical scanner 54 is attached to an apparatus body with the casing 56 held in a protecting box 70. The exter...  
JP2009265358A
To stably and optimally regulate layer thickness of two-component developer by suppressing the used amount of high permeability material in a developer regulating member for regulating the layer thickness of the two-component developer o...  
JP4363034B2  
JP2009258496A
To provide an image forming apparatus including a first cooling roller for cooling the transfer face of an intermediate transfer belt and a second cooling roller for cooling a conveying belt disposed in contact with the first cooling rol...  
JP2009251556A
To provide an image forming apparatus, process cartridge and developing device, capable of keeping constant the amount of developing agent in the developing device with a low-cost method without using a complicated developing agent amoun...  
JP2009244735A
To provide a development device for preventing image quality deterioration by preventing a toner from flying from a development roller to a photoreceptor in non-development, and to provide an image forming apparatus having it.First bias ...  
JP2009237028A
To obtain a developing device using a one-component developer, where a good-quality developer is supplied to a developing chamber so as to improve an output image.The developing device is equipped with: a housing 51 forming the developin...  
JP4335989B2  
JP2009211096A
To provide a compact image forming apparatus.An intermediate transfer body 64 is provided to be inclined such that a secondary transfer position on the intermediate transfer body 64 is made lower than the heating roll 92 of a fixing devi...  
JP2009192697A
To improve both of a charging potential of an a-Si electrophotographic photoreceptor and a photomemory phenomenon even when a PS (process speed) is increased.A method of forming an electrophotograph is disclosed, comprising repetition of...  
JP4304900B2  
JP4300792B2  
JP2009150949A
To provide a nonmagnetic single component development device and a nonmagnetic single component development method in which adhesion of particles of a development agent to a regulation member can be prevented for an extended period of ti...  
JP2009139473A
To restrain or prevent a change in the rotational speed of an endless belt while restraining deformation of an endless belt, especially, extension of the endless belt.While the groove 136 of the transfer roll 134 is located opposite the ...  
JP2009122215A
To provide a developer carrier equipped with a magnet roll in which magnetic poles are arranged and suppressing deviation in developability in a longitudinal direction, and to provide a developing device using the same, and a process car...  
JP2009113282A
To provide a printer and a printing method preventing a reading direction from becoming upside down in the printer for printing print data to be read from an original platen on the surface of printing paper.The printer for printing the p...  
JP4269644B2  
JP4265335B2  
JP2009103778A
To provide a fixing device that is extremely reliable compared to a conventional device by: preventing supply of a foamy fixing liquid when it does not have an appropriately foamy state; and supplying it when it becomes appropriately foa...  
JP2009079126A
To provide a photocurable coating composition excellent in surface smoothness and to provide an overprint and a manufacturing method for it excellent in surface smoothness and non-tacking properties by using the photocurable coating comp...  
JP2009080393A
To perform satisfactory transfer even when the kind of recording material is different in transfer by a transfer nip having predetermined length.When a variable cam 61 of a secondary transfer device 16 for pressuring force to the upstrea...  
JP2009080296A
To provide a photosetting coating composition excellent in surface smoothness; to provide an overprint excellent in surface smoothness and nontackiness; and to provide a manufacturing method of the overprint.The photosetting coating comp...  
JP4254055B2  
JP4254858B2  
JP2009075615A
To provide an image forming method, making image gloss uniform independently of quantity of toner placed on a record medium and restraining incompatibility between the image gloss and the gloss of the record medium.This image forming met...  
JP2009075156A
To have jamming not easily occur and to effectively use volume of an apparatus as a whole in the image forming apparatus.When a piece of paper on a top most surface stored to a paper supply tray part 26 is supplied, the absolute height o...  
JP2009069840A
To provide a dry two-component color developing method and device causing neither scumming nor toner scattering even in continuous output of many images of large image areas, excelling in fluidity, causing less filming or the like and ob...  
JP2009058732A
To provide an image forming method, where an amount of lubricant to be applied to the surface of a photoreceptor in the longitudinal/rotating direction of the photoreceptor is appropriately adjusted, and uneven application of lubricant d...  
JP2009054845A
To make it possible to predict the end of lifetime of a laser tube in advance and prevent the operation of an apparatus from stopping.Whether the lifetime of a laser tube has reached its end is determined based on the result of detection...  
JP4236346B2  
JP2009042396A
To provide a developing device or the like capable of satisfactorily keeping image quality regardless of a temperature change or the like.A thermometer 98 is disposed in the developing device 9. In addition, a voltage control section 60 ...  
JP2009042258A
To provide an image forming apparatus for maintaining desirable charging characteristic of toner as a whole by selecting and collecting deteriorated toner, in an image forming apparatus using a developing device of a non-contact developi...  
JP2009031510A
To provide an image forming apparatus designed so that the problem in which recording paper used for general printed matter may absorb moisture or water, with the results that the printed matter would be wrinkled or damaged can be overco...  
JP4212176B2  

Matches 351 - 400 out of 13,266