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Matches 351 - 400 out of 13,246

Document Document Title
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  
JP4181736B2  
JP2008275659A
To suppress variation in charging potential of a photoreceptor during developing without readjusting image forming conditions even when film thickness in the photoreceptor is varied.By delaying the movement of electric charge of reverse ...  
JP2008276106A
To obtain an excellent cleaning performance in a cleaning device for electrostatically removing toner on an image carrier, an image forming apparatus and a process cartridge.The cleaning device 20 is equipped with a cleaning brush 23 tha...  
JP4178372B2  
JP4178688B2  
JP2008250262A
To suppress surface fogging so as to print a high-quality printed matter in an electrophotographic printer and an electrophotographic printing method.The image forming apparatus is provided with: a photoreceptor unit 11 or 12 which forms...  
JP2008224956A
To provide a toner density detection device capable of improving detecting the accuracy of toner density.In the toner density detection device 80 detecting the toner density of a toner image carrier 61 which carries a toner image is equi...  
JP4154078B2  
JP4156524B2  
JP4144167B2  
JP4142122B2  
JP2008191298A
To provide a wet image forming apparatus capable of removing a carrier liquid with appropriate accuracy, by performing operations in parts, between when printing monochrome and when printing full color.The wet image forming apparatus is ...  
JP4136247B2  
JP4130917B2  
JP2008161835A
To provide a coating film forming apparatus which enables the easy deposition of a coating with a uniform thickness even on an object material to be coated which has a diameter changed along the axial core direction.The coating film form...  
JP2008164918A
To provide an image forming apparatus capable of judging, in more proper timing, that the apparatus is full of recovered waste, and to urge the replacement of a cleaning means, taking a quantity of recovered waste into consideration.Even...  
JP4113304B2  
JP4110711B2  
JP4109945B2  

Matches 351 - 400 out of 13,246