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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8180233 | Cooling device for cooling the inside of an image forming apparatus by a fan and image forming apparatus having the cooling device A cooling device that cools the inside of an image forming apparatus provided with a developer carrier that carries an image developed with a developer while being rotated. The cooling device includes: a counting unit that counts an accumulative number of rotation o... | 05/15/2012 |
| 8155542 | Image forming apparatus with image creation condition regulation An image forming apparatus includes an image forming unit, image formation control section, counter, image formation condition regulation section, controlled printed-paper number storage section, and regulation control section. The image forming unit includes a plur... | 04/10/2012 |
| 8145080 | Image forming apparatus An image forming apparatus includes an image forming device, a time detection unit, a humidity measurement unit and a controller. The image forming device includes a photoconductive body, a developing device and a transfer device. The time detection unit detects inf... | 03/27/2012 |
| 8126341 | Image forming apparatus with a counting unit An image forming apparatus includes a counting unit that, when a driving unit for rotating an image carrier is operating, adds a predetermined first count value to a total count value in a predetermined timing and that, when the driving unit is being stopped, subtra... | 02/28/2012 |
| 8103179 | Development device that obtains uniform toner density of a two-component developer A development device is provided with: a development roller that rotates while carrying a two-component developer in a development tank accommodating the two-component developer; a tubular developer conveyance path having therein a conveyance mechanism that conveys ... | 01/24/2012 |
| 8090278 | Image forming apparatus having an image bearing body An image forming apparatus includes a process including at least a developing section and an image bearing body. A calculating section calculates a number of the dots formed on the image bearing body. A rotation calculating section calculates a number of rotations o... | 01/03/2012 |
| 8041238 | Image forming apparatus, image forming method, and computer program product A patch-pattern forming unit causes an image forming unit to form a patch pattern including a plurality of patches on a conveying member. A detecting unit detects the patch pattern formed on the conveying member. An adjusting unit adjusts an image forming condition ... | 10/18/2011 |
| 8019243 | Image forming apparatus with control of image forming condition An image forming apparatus which predicts VL fluctuations of a photosensitive drum in consideration of a double-sided print mode, and performs an image formation control based on the prediction, and thus always obtains a stable density image. The image forming appar... | 09/13/2011 |
| 8019242 | Image forming apparatus and image forming method for suppressing fluctuation of formed images An image forming apparatus and an image forming method capable of executing process control at appropriate timing are provided. A control section of an image forming apparatus carries out control for determining execution time of process control and executing the pr... | 09/13/2011 |
| 7991309 | Image forming apparatus An image forming apparatus which is free from occurrence of image noise due to the bleed phenomenon even without providing any contact-and-separation mechanism for the transfer member includes a control device which counts stop time elapsing from a stop to a restart... | 08/02/2011 |
| 7970298 | Image forming apparatus with a control for preventing a reduction in accuracy of detecting a toner image An image forming apparatus includes an image bearing member for bearing a toner image; toner image forming means for forming a toner image on the image bearing member; a detecting member for directing light to an object and for detecting the light reflected by the o... | 06/28/2011 |
| 7890003 | Image forming apparatus An image forming apparatus includes an image forming unit having an image carrier, a developing agent container for holding a developing agent, and a developing agent supplier for supplying the developing agent from the developing agent container to the image carrie... | 02/15/2011 |
| 7877027 | Image forming apparatus and paper discharge speed control method for image forming apparatus A sheet temperature sensor which detects temperature of a recording medium that is fed is provided downstream in a sheet feeding direction from a fixing device. A controller counts the number of sheets on which an image is continuously formed, and controls the numbe... | 01/25/2011 |
| 7873289 | Image forming apparatus and method to control a velocity ratio thereof An image forming apparatus and a method to control a velocity ratio thereof. The image forming apparatus includes a developing device to rotate opposite a photoconductive medium and to supply the photoconductive medium with a developer, and a controller to control a... | 01/18/2011 |
| 7826755 | Image forming apparatus and drive control method of the same An image forming apparatus capable of performing monochrome printing and color printing in which all the developing units share a single development transformer is constructed such that at the time of monochrome printing the photoreceptor drums for colors are stoppe... | 11/02/2010 |
| 7813660 | Image adjusting method and image forming apparatus An image forming apparatus forms a toner image onto sheets at the first feeding interval on a photoconductor or intermediate transfer member and, if the temperature of a fixing unit falls outside a set temperature range, the sheet layout is changed to a feeding inte... | 10/12/2010 |
| 7747183 | Image forming apparatus An image forming apparatus capable of appropriately cleaning an image carrier is provided. An image forming apparatus 1 including toner cartridges 11Y, 11M, 11C, and 11K, a developing section which forms toner images, an image carr... | 06/29/2010 |
| 7706703 | Changing the charging applied voltage control in an image forming apparatus based on an increase in the cumulative number of times of execution of image forming When image forming is performed by a photosensitive drum according to operating conditions corresponding to an image forming mode selected out of a predetermined plurality of candidates, an actual cumulative number of printed sheets Pi is corrected and recorded base... | 04/27/2010 |
| 7613409 | Image forming apparatus A delaying section for obtaining from an image processing section a printing rate of image data used for forming a toner image, and delaying in accordance with the obtained printing rate a start timing of a toner image forming by the toner image forming section. The... | 11/03/2009 |
| 7613408 | Image forming apparatus for correcting image formation condition An image forming apparatus includes: an image forming unit that forms an image by forming an electrostatic latent image on an image carrying body, developing the electrostatic latent image by sticking a developer on the image carrying body, and transferring the deve... | 11/03/2009 |
| 7450870 | Developing device using one-component toner for an image forming apparatus, and a process cartridge including the developing device A developing device includes a toner supplying roller, a developing roller for transferring the one-component toner to a developing position by performing a developing rotation in an image forming operation and moving away from the developing position, a sealing mem... | 11/11/2008 |
| 7440706 | Image formation apparatus An image formation apparatus comprises: an automatic adjustment unit for automatic adjustment of the apparatus; a job queuing unit for queuing image formation jobs; a counting unit for counting the number of pages from the previous automatic adjustment, for each aut... | 10/21/2008 |
| 7437087 | Image forming apparatus and image forming method An image forming apparatus includes a toner bottle, a supply unit that supplies toner from the toner bottle to a downstream side, a door that is openably provided to execute toner replenishment, an opening/closing sensor that senses opening/closing of the door, and ... | 10/14/2008 |
| 7433625 | Image heating apparatus An image heating apparatus including an image heater for heating an image on a recording material in a nip portion, an air blower for blowing air toward an air blowing port to cool a predetermined area of the image heater, and a shutter for opening an closing the ai... | 10/07/2008 |
| 7433621 | Image forming apparatus that allows an adjustable interval for adjusting an image An image forming apparatus including an adjustment unit adapted to adjust an image to be formed by an image forming unit advises the next adjustment execution timing on the basis of cumulative use information obtained by the image forming unit, and changes the advis... | 10/07/2008 |
| 7426352 | Image formation apparatus An image formation apparatus includes an automatic adjustment unit for automatic adjustment of the apparatus, a job queuing unit for queuing image formation jobs, a counting unit for counting the number of pages from the previous automatic adjustment for each automa... | 09/16/2008 |
| 7400424 | Printer option suggestion method and program A system and method for determining an optimal use of printing devices and printing device options in a network computer system or enterprise environment based upon typically usage characteristics of the printing devices and the options available to the printing dev... | 07/15/2008 |
| 7391983 | Method and apparatus for controlling image forming operation of an image forming apparatus The present invention relates to an image forming apparatus that enables the occurrence of print defects due to a first print start time delay to be eliminated without using a temperature sensor that has a small thermal time constant. When the temperature of a fixin... | 06/24/2008 |
| 7366430 | Rotary-type developing device and image forming apparatus An image forming apparatus includes a rotary unit having a plurality of development devices provided around a rotary shaft, the development device having a constituent unit, wherein: a plurality of the development devices sequentially move to a development position,... | 04/29/2008 |
| 7343109 | Electrophotographic printer having developer and transfer bias control An image forming apparatus including: a developing device that develops an electrostatic latent image formed on an image bearing body into a visible image by using a charged developer, so as to form a developer image on the image bearing body; a developing-bias supp... | 03/11/2008 |
| 7327966 | Image forming apparatus A copying machine of the present invention includes a photosensitive drum, a transfer belt which is extended between a plurality of rollers and has a contact section in contact with the photosensitive drum, and a transfer bias supply which applies an electrical char... | 02/05/2008 |
| 7317879 | Image forming apparatus operating in a power saving mode as long as possible An image forming apparatus operates in a power saving mode or in the normal printing mode. An image forming section forms an image in accordance with print data received from an external apparatus. A state detecting section detects a state of the image forming appar... | 01/08/2008 |
| 7280131 | Image formation device An image formation device changes the rotational rate of a polygon motor, i.e. the main-scanning rate, and selects one of pulse width conversion tables when an image formation is performed multiple times on a single sheet of transfer paper. The changing of the main-... | 10/09/2007 |
| 7274885 | Image forming device having replaceable drum unit and developing unit In an image forming device, when a replacement timing of a photoconductive drum unit has been reached, the image forming device determines whether or not a replacement timing of a developing unit is close, but not yet actually reached. When the replacement timing of... | 09/25/2007 |
| 7272331 | Image forming apparatus An image forming apparatus includes an image bearing member; a developing device for developing an electrostatic image formed on the image bearing member with a developer into a developed image; transferring means for transferring the developed image onto an image r... | 09/18/2007 |
| 7258411 | Method of informing a user of end of life of a consumable for an ink jet printer A method informs a user of an ink jet printer of the end of life of a consumable. The consumable supplies ink to a printhead having a plurality of ink ejection nozzles and an associated plurality of ink jetting actuators, each of the plurality of ink jetting actuato... | 08/21/2007 |
| 7251421 | Image forming apparatus for performing calibration without reducing throughput in printing The image forming apparatus has an image supporting body, a developing device on which developing units storing developers of the same color are detachably mounted, and control unit for controlling a printing operation in response to a print request. Further, in the... | 07/31/2007 |
| 7251424 | Method and apparatus for timing image formation in an image-forming apparatus This invention relates to an image forming apparatus including an image forming unit which forms an image on a medium for each page, and a notification unit which, when image formation start instructions cannot be successively issued to the image forming unit for su... | 07/31/2007 |
| 7237772 | Image forming apparatus with control of sheet carrier to compensate for sheet conveying distance An image forming apparatus has an image former for forming an image on a sheet at a predetermined image-forming speed; a plurality of feeders; a carrier for carrying the sheet fed from either of the feeders to the image former; and a controller for controlling the c... | 07/03/2007 |
| 7233767 | Heating apparatus, sheet feeding apparatus and image forming apparatus A sheet feeding apparatus is provided with a sheet stacking device for stacking sheets thereon, a sheet feeding device for feeding the sheets stacked on the sheet stacking device, and a heating device for heating the sheets stacked on the sheet stacking device. The ... | 06/19/2007 |
