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Matches 451 - 500 out of 13,346

Document Document Title
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  
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...  
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 ...  
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  
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...  
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 ...  
JP4178688B2  
JP4178372B2  
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  
JP4109945B2  
JP4110711B2  
JP2008145638A
To provide a tandem type color image forming apparatus capable of effectively preventing color shift by restraining variation in the rotating speed of an intermediate transfer belt by a simple configuration.The pressure contact force (a)...  
JP4103556B2  
JP4103730B2  
JP2008134539A
To provide a wet image forming apparatus capable of preventing the deterioration of image quality even when recycled carrier liquid is used, and restraining the usage of new carrier liquid to be as small as possible.The carrier liquid co...  
JP4089992B2  
JP4091538B2  
JP4087324B2  
JP2008110517A
To efficiently match rotational phases of polygon mirrors with each other.A CPU 91 comprises: a beam detection section 911 that detects laser beams at a predetermined position (a placement position of a beam sensor 335) on a scanning pas...  
JP2008107609A
To obtain an image of desired glossiness by transferring a toner image to a non-transparent layer with desired material and thickness, etc. suitable for the transfer process, on a transparent layer side.A method for forming an image shee...  
JP4083570B2  
JP4081516B2  
JP4082153B2  
JP4084712B2  
JP4077751B2  
JP2008090187A
To provide an image forming method and an image forming apparatus that is environmentally friendly, capable of firmly fixing toner particles to a recording medium and forming an image having superior tone.The image forming method for for...  
JP2008083556A
To provide a developing device capable of efficiently removing residual toner particles on a developer carrier even when the toner particles flocculate on the developer carrier, and to provide an image forming apparatus.When a developing...  
JP2008077084A
To perform inline treatment materializing MICR (magnetic ink character recognition) printing to a check with fuser oil stuck thereon.An electrostatic latent image is formed using a MICR printing apparatus and a non-MICR printing apparatu...  
JP2008076999A
To provide an endless belt which is prevented from breaking down, and to provide an image forming apparatus provided with the same.In the endless belt 4, a cut portion 41A provided in a rib member 41 constitutes a contact portion with th...  
JP4069776B2  
JP4066291B2  
JP4065513B2  
JP2008064805A
To provide a developing device capable of developing an excellent image by restraining the increase of the rate of un-electrified toner due to long-term operation, and to provide a process cartridge and an image forming apparatus using t...  
JP4063905B2  
JP4045759B2  
JP2008026571A
To provide an environment-friendly liquid developing agent excellent in fixing property of the toner particles to a recording medium, and also to provide an image forming device using this liquid developing agent.The liquid developing ag...  

Matches 451 - 500 out of 13,346